{"title":"Air Pressure Switch, Air Proving","description":"","products":[{"product_id":"773-207","title":"773-207","description":"Ensure your heating system operates safely and efficiently with this high-quality Lennox pressure switch. As a critical air proving component, this dual-stage switch monitors the pressure differential within your furnace's combustion chamber to verify proper airflow and vent clearance. If your furnace is failing to ignite or shutting down unexpectedly, replacing a worn or faulty pressure switch is a common and essential repair. Designed for precision and reliability, this switch helps prevent hazardous conditions by ensuring the draft inducer motor is functioning correctly before the ignition process begins. Perfect for HVAC technicians and homeowners looking for dependable replacement furnace parts to restore reliable heating performance.\u003cbr\u003e\nType: Air Pressure Switch\u003cbr\u003e\nSize: Standard HVAC Component\u003cbr\u003e\nApplication: Used primarily in residential gas furnaces and HVAC systems to monitor combustion air pressure and ensure safety through the air-proving process.\u003cbr\u003e\nSpecifications: Dual pressure ratings of 0.25 inch WC and 0.50 inch WC (Water Column) set points; designed for use with draft inducer blowers and combustion vent systems.","brand":"BCFurnace","offers":[{"title":"LENNOX PRESSURE SWITCH 0.25\" WC \/ 0.50\" WC \/ 773-207","offer_id":47250951340317,"sku":null,"price":138.87,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 0.25\" WC \/ 0.50\" WC \/ 102737-09","offer_id":47250951405853,"sku":null,"price":138.87,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 0.25\" WC \/ 0.50\" WC \/ 73W35","offer_id":47250951373085,"sku":null,"price":138.87,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/488f752438dc4c0eba87015d9e37f458.webp?v=1773958669"},{"product_id":"773-208","title":"773-208","description":"This professional-grade dual pressure switch is a critical safety and performance component designed for high-efficiency, multi-stage gas furnaces. Functioning as an air-proving switch, it monitors the pressure generated by the draft inducer motor to ensure the system is venting correctly before allowing the heating cycle to begin. This dual-stage design is specifically engineered to handle both high-fire and low-fire operation modes, providing precise sensing for modern multi-stage HVAC systems. By detecting pressure fluctuations, it protects your home by preventing the furnace from operating under unsafe conditions, such as blocked vents or inducer motor failure. This part is ideal for HVAC technicians and homeowners looking to restore reliable operation and safety to their residential heating equipment.\u003cbr\u003e\nType: Air Pressure Switch\u003cbr\u003e\nSize: Standard HVAC Component\u003cbr\u003e\nApplication: High-efficiency multi-stage gas furnaces, residential HVAC systems, and draft inducer motor air-proving applications.\u003cbr\u003e\nSpecifications: Dual Stage Functionality; High Fire Break: 0.27\" WC (0.42\" WC Max); Low Fire Break: 0.14\" WC (0.33\" WC Max)","brand":"BCFurnace","offers":[{"title":"CARRIER DUAL PRESSURE SWITCHES, HIGH FIRE BREAK 0.27\" WC MAX 0.42\" WC \/ LOW FIRE BREAK 0.14\" WC MAX 0.33\" WC \/ 773-208","offer_id":47250951602461,"sku":null,"price":191.15,"currency_code":"CAD","in_stock":true},{"title":"CARRIER DUAL PRESSURE SWITCHES, HIGH FIRE BREAK 0.27\" WC MAX 0.42\" WC \/ LOW FIRE BREAK 0.14\" WC MAX 0.33\" WC \/ BA20265","offer_id":50611165331741,"sku":null,"price":191.15,"currency_code":"CAD","in_stock":true},{"title":"CARRIER DUAL PRESSURE SWITCHES, HIGH FIRE BREAK 0.27\" WC MAX 0.42\" WC \/ LOW FIRE BREAK 0.14\" WC MAX 0.33\" WC \/ HK06MC110","offer_id":47250951700765,"sku":null,"price":191.15,"currency_code":"CAD","in_stock":true},{"title":"CARRIER DUAL PRESSURE SWITCHES, HIGH FIRE BREAK 0.27\" WC MAX 0.42\" WC \/ LOW FIRE BREAK 0.14\" WC MAX 0.33\" WC \/ HK06WC091","offer_id":47250951667997,"sku":null,"price":191.15,"currency_code":"CAD","in_stock":true},{"title":"CARRIER DUAL PRESSURE SWITCHES, HIGH FIRE BREAK 0.27\" WC MAX 0.42\" WC \/ LOW FIRE BREAK 0.14\" WC MAX 0.33\" WC \/ HK06WC092","offer_id":47250951635229,"sku":null,"price":191.15,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/2a7cb09a350f4c3ca75db4d211482049.webp?v=1773958675"},{"product_id":"773-260","title":"773-260","description":"This premium two-stage air pressure switch is a vital safety component for high-efficiency gas furnaces. Designed to monitor the pressure within the inducer blower housing, this air proving switch ensures that the combustion process is venting properly before allowing the furnace to ignite. As a dual-stage component, it features two distinct set points to manage different firing rates, providing precise control for multi-stage heating systems. If your HVAC system is failing to start or throwing a pressure switch error code, this replacement part restores reliable operation by accurately sensing the vacuum pressure. Built for durability and precision, it helps maintain the efficiency and safety of your home heating equipment.\u003cbr\u003e\nType: Air Pressure Switch\u003cbr\u003e\nSize: Standard HVAC Component\u003cbr\u003e\nApplication: Used in dual-stage, high-efficiency gas furnaces and HVAC systems to verify proper airflow and venting before combustion.\u003cbr\u003e\nSpecifications: Two-stage operation; Low-stage activation at -0.80\" WC; High-stage activation at -1.6\" WC; Normally open (N\/O) electrical contacts; Vacuum-actuated air proving design.","brand":"BCFurnace","offers":[{"title":"GOODMAN\/AMANA PRESSURE SWITCH 2-STG -0.80\" WC \/ -1.6\" WC \/ 773-260","offer_id":50509791035677,"sku":null,"price":105.07,"currency_code":"CAD","in_stock":true},{"title":"GOODMAN\/AMANA PRESSURE SWITCH 2-STG -0.80\" WC \/ -1.6\" WC \/ 0130F00100","offer_id":50509791133981,"sku":null,"price":105.07,"currency_code":"CAD","in_stock":true},{"title":"GOODMAN\/AMANA PRESSURE SWITCH 2-STG -0.80\" WC \/ -1.6\" WC \/ 9371VO-HD-0120","offer_id":50509791101213,"sku":null,"price":105.07,"currency_code":"CAD","in_stock":true},{"title":"GOODMAN\/AMANA PRESSURE SWITCH 2-STG -0.80\" WC \/ -1.6\" WC \/ MPL-9371-V-0.80-DEACT-N\/O","offer_id":50509791166749,"sku":null,"price":105.07,"currency_code":"CAD","in_stock":true},{"title":"GOODMAN\/AMANA PRESSURE SWITCH 2-STG -0.80\" WC \/ -1.6\" WC \/ MPL-9371-V-1.60-DEACT-N\/O","offer_id":50509791068445,"sku":null,"price":105.07,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/595a880a6f584cf1bdc090b67f6bef38.webp?v=1773967287"},{"product_id":"773-187","title":"773-187","description":"This high-quality ICP Air Pressure Switch is an essential safety component for modern HVAC systems and gas-fired furnaces. Designed as an air proving switch, it monitors the pressure differential created by the draft inducer motor to ensure proper venting of combustion gases. With a precise set point of 0.30\" WC (Water Column), this switch acts as a critical fail-safe, preventing the ignition process if insufficient airflow is detected. If your heating system is experiencing ignition failure, short-cycling, or lockout codes related to pressure sensing, replacing the air pressure sensor can restore reliable performance and ensure home safety. This durable component is engineered to withstand the demanding environment of a furnace cabinet, providing accurate monitoring and long-lasting operation.\u003cbr\u003e\nType: Air Pressure Switch\u003cbr\u003e\nSize: Medium\u003cbr\u003e\nApplication: Used in residential and commercial HVAC units, specifically gas furnaces and heating systems to monitor draft inducer airflow and venting integrity.\u003cbr\u003e\nSpecifications: Pressure Set Point: 0.30\" WC (Water Column); Function: Air Proving\/Safety Interlock; Configuration: Normally Open (N\/O)","brand":"BCFurnace","offers":[{"title":"ICP PRESSURE SWITCH 0.30\" WC \/ 773-187","offer_id":47250954551581,"sku":null,"price":278.36,"currency_code":"CAD","in_stock":true},{"title":"ICP PRESSURE SWITCH 0.30\" WC \/ FS6075-640","offer_id":47250954584349,"sku":null,"price":278.36,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/b102e8067d9f441ebbeefc42d8a5c3e3.webp?v=1773957030"},{"product_id":"773-044","title":"773-044","description":"This premium two-stage air pressure switch is a critical safety component designed for high-efficiency gas furnaces and HVAC systems. Functioning as an air-proving switch, it monitors the vacuum pressure generated by the draft inducer motor to ensure proper venting of combustion gases. With precise set points of 0.18\" WC and 0.27\" WC, this dual-stage sensor ensures the heating system only ignites when the correct airflow is established for both low and high-heat cycles. Replacing a malfunctioning pressure switch is essential for restoring furnace reliability, preventing ignition lockouts, and ensuring the safe operation of your residential heating equipment.\u003cbr\u003e\nType: Air Pressure Switch \/ Air Proving Sensor\u003cbr\u003e\nSize: Small\u003cbr\u003e\nApplication: Used in two-stage residential gas furnaces and HVAC units to monitor combustion blower airflow and ensure safe exhaust venting.\u003cbr\u003e\nSpecifications: Dual-stage operation; Set points: 0.18\" WC (Water Column) and 0.27\" WC; Monitors inducer motor pressure; Safety interlock for furnace ignition sequences.","brand":"BCFurnace","offers":[{"title":"PRESSURE SWITCH 2-STG 0.18\" WC \/ 0.27\" WC \/ 773-044","offer_id":47250955338013,"sku":null,"price":138.7,"currency_code":"CAD","in_stock":true},{"title":"PRESSURE SWITCH 2-STG 0.18\" WC \/ 0.27\" WC \/ 1142D3\/F","offer_id":47250955436317,"sku":null,"price":138.7,"currency_code":"CAD","in_stock":true},{"title":"PRESSURE SWITCH 2-STG 0.18\" WC \/ 0.27\" WC \/ BA20115","offer_id":47258871988509,"sku":null,"price":138.7,"currency_code":"CAD","in_stock":true},{"title":"PRESSURE SWITCH 2-STG 0.18\" WC \/ 0.27\" WC \/ HK06MC058","offer_id":47250955370781,"sku":null,"price":138.7,"currency_code":"CAD","in_stock":true},{"title":"PRESSURE SWITCH 2-STG 0.18\" WC \/ 0.27\" WC \/ HK06WC058","offer_id":50732090294557,"sku":null,"price":138.7,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/2912db97d59045bb8628cc0b8b544330.webp?v=1773960392"},{"product_id":"773-002","title":"773-002","description":"Ensure your HVAC system operates safely and efficiently with this professional-grade air pressure switch. Functioning as a critical safety component in gas furnaces, this air proving switch monitors the pressure differential created by the draft inducer motor. It ensures that the system is properly venting combustion gases before allowing the furnace to ignite, protecting your home from potential hazards. With a precise -0.60\" WC set point and a Single Pole Single Throw (SPST) contact configuration, this switch is a common solution for resolving ignition failures and error codes related to airflow issues. Durable and sensitive, it provides reliable performance for maintaining consistent indoor climate control.\u003cbr\u003e\nType: Air Pressure Switch\u003cbr\u003e\nSize: Compact\u003cbr\u003e\nApplication: Used primarily in gas furnaces and HVAC heating systems to verify proper inducer motor operation and venting pressure.\u003cbr\u003e\nSpecifications: Set Point: -0.60\" WC; Circuitry: SPST (Single Pole Single Throw); Function: Air Proving\/Safety Interlock","brand":"BCFurnace","offers":[{"title":"PRESSURE SWITCH -0.60\" WC SPST \/ 773-002","offer_id":47250964709661,"sku":null,"price":91.78,"currency_code":"CAD","in_stock":true},{"title":"PRESSURE SWITCH -0.60\" WC SPST \/ 103018-04","offer_id":47250964807965,"sku":null,"price":91.78,"currency_code":"CAD","in_stock":true},{"title":"PRESSURE SWITCH -0.60\" WC SPST \/ 103247-04","offer_id":47250964775197,"sku":null,"price":91.78,"currency_code":"CAD","in_stock":true},{"title":"PRESSURE SWITCH -0.60\" WC SPST \/ 74W60","offer_id":47250964742429,"sku":null,"price":91.78,"currency_code":"CAD","in_stock":true},{"title":"PRESSURE SWITCH -0.60\" WC SPST \/ 80W52","offer_id":47250964840733,"sku":null,"price":91.78,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/db7ca6b2e8d94493a32ae6d2711717a7.webp?v=1773967003"},{"product_id":"773-186","title":"773-186","description":"This premium air pressure switch is a vital safety component designed for York heating systems and furnaces. Functioning as an air-proving switch, it monitors the pressure differential within the inducer motor housing to ensure proper ventilation and exhaust flow before allowing the ignition sequence to proceed. If your furnace is experiencing startup failures or displaying pressure-related error codes, this high-precision switch is a common replacement part. Calibrated to a 0.20\" WC set point, it ensures that your HVAC system operates safely and efficiently, preventing the buildup of hazardous gases by verifying that the combustion blower is operating at the required capacity. Built for long-term reliability and precise sensing, this component is essential for maintaining the performance and safety of residential gas furnaces.\u003cbr\u003e\nType: Air Pressure Switch\u003cbr\u003e\nSize: Standard HVAC component size\u003cbr\u003e\nApplication: Used in gas furnaces and HVAC heating units to monitor inducer motor draft and ensure safe combustion air flow.\u003cbr\u003e\nSpecifications: Pressure Setting: 0.20\" Water Column (WC); Application: Air Proving; Function: Normally Open\/Closed safety circuit integration.","brand":"BCFurnace","offers":[{"title":"YORK PRESSURE SWITCH 0.20\" WC \/ 773-186","offer_id":50510528577821,"sku":null,"price":84.87,"currency_code":"CAD","in_stock":true},{"title":"YORK PRESSURE SWITCH 0.20\" WC \/ 024-39716-000","offer_id":50510528774429,"sku":null,"price":84.87,"currency_code":"CAD","in_stock":true},{"title":"YORK PRESSURE SWITCH 0.20\" WC \/ 02439716000","offer_id":50510528610589,"sku":null,"price":84.87,"currency_code":"CAD","in_stock":true},{"title":"YORK PRESSURE SWITCH 0.20\" WC \/ 1010755R","offer_id":50510528676125,"sku":null,"price":84.87,"currency_code":"CAD","in_stock":true},{"title":"YORK PRESSURE SWITCH 0.20\" WC \/ 9375DS-0153","offer_id":50510528708893,"sku":null,"price":84.87,"currency_code":"CAD","in_stock":true},{"title":"YORK PRESSURE SWITCH 0.20\" WC \/ S1-024-39716-000","offer_id":50510528741661,"sku":null,"price":84.87,"currency_code":"CAD","in_stock":true},{"title":"YORK PRESSURE SWITCH 0.20\" WC \/ S1-02439716000","offer_id":50510528643357,"sku":null,"price":84.87,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/c0fe3b13eb8f4cfd96c090ff1eae7545.webp?v=1773957091"},{"product_id":"773-046","title":"773-046","description":"Ensure your HVAC system operates at peak safety and efficiency with this high-quality Air Pressure Switch. This essential air proving component is designed to monitor the draft produced by the inducer motor, verifying that the furnace is venting properly before allowing the ignition process to begin. If the system detects a blockage or improper airflow, this switch serves as a critical safety cutoff to prevent hazardous operation. Perfect for resolving common furnace ignition failures, 'pressure switch stuck open' errors, and maintaining reliable heating performance during cold weather. This durable replacement part is engineered for precision and longevity in modern gas furnace applications.\u003cbr\u003e\nType: Air Pressure Switch\u003cbr\u003e\nSize: Compact\u003cbr\u003e\nApplication: Used in high-efficiency gas furnaces and residential HVAC systems to monitor venting safety and inducer motor airflow.\u003cbr\u003e\nSpecifications: Pressure-sensitive diaphragm sensor, safety-interlock air proving switch, vacuum-actuated design.","brand":"BCFurnace","offers":[{"title":"CARRIER PRESSURE SWITCH \/ 773-046","offer_id":50510532968733,"sku":null,"price":327.27,"currency_code":"CAD","in_stock":true},{"title":"CARRIER PRESSURE SWITCH \/ HK06WC100","offer_id":50510533099805,"sku":null,"price":327.27,"currency_code":"CAD","in_stock":true},{"title":"CARRIER PRESSURE SWITCH \/ IS020205-6117","offer_id":50600965374237,"sku":null,"price":327.27,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/011a8c746e9d4c528c4ff7caf970f732.webp?v=1773967068"},{"product_id":"773-010","title":"773-010","description":"This dual-stage air pressure switch is a vital safety component designed for high-efficiency residential gas furnaces. Engineered to monitor the pressure differential created by the draft inducer motor, this switch ensures that the heating system operates safely by verifying proper airflow and venting before allowing the ignition process to begin. As a two-stage air proving switch, it features precise calibrated setpoints of 0.22\" WC and 0.43\" WC, allowing the HVAC system to modulate correctly between low-fire and high-fire heating cycles. Replacing a faulty or sticking pressure switch is essential for resolving furnace lockout issues, preventing hazardous venting conditions, and maintaining optimal combustion efficiency in multi-stage furnaces. This durable component is a reliable solution for restoring the safety and performance of your home heating equipment.\u003cbr\u003e\nType: Air Pressure Switch\u003cbr\u003e\nSize: Standard furnace component\u003cbr\u003e\nDimensions: unknown × unknown × unknown\u003cbr\u003e\nApplication: Used in residential gas furnaces and HVAC systems with two-stage heating cycles to monitor inducer motor pressure and ensure safe combustion airflow.\u003cbr\u003e\nSpecifications: Two-stage operation; Low-stage setpoint: 0.22\" WC; High-stage setpoint: 0.43\" WC; Differential pressure sensing; Snap-action electrical contacts.","brand":"BCFurnace","offers":[{"title":"CARRIER PRESSURE SWITCH 2-STG 0.22\" WC \/ 0.43\" WC \/ 773-010","offer_id":47251008356637,"sku":null,"price":1018.66,"currency_code":"CAD","in_stock":true},{"title":"CARRIER PRESSURE SWITCH 2-STG 0.22\" WC \/ 0.43\" WC \/ HK06WC077","offer_id":47251008389405,"sku":null,"price":1018.66,"currency_code":"CAD","in_stock":true},{"title":"CARRIER PRESSURE SWITCH 2-STG 0.22\" WC \/ 0.43\" WC \/ HK06WC082","offer_id":47251008422173,"sku":null,"price":1018.66,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/1ddcfcdde9684e1e95ef7a979d425697.webp?v=1773957261"},{"product_id":"773-011","title":"773-011","description":"This Carrier 0.33\" WC air pressure switch is a vital safety component designed for high-efficiency gas furnaces and HVAC systems. Functioning as an air proving switch, it monitors the pressure differential created by the inducer blower motor to ensure that combustion gases are being properly vented before allowing the ignition sequence to proceed. If your furnace is failing to light or is displaying pressure switch-related error codes, this replacement switch is essential for restoring safe and reliable heating. It is factory-calibrated to a precise 0.33-inch water column set point, ensuring your appliance operates within optimal manufacturer specifications. Durable and responsive, this switch helps prevent hazardous conditions by ensuring the venting system is clear and the inducer motor is functioning correctly.\u003cbr\u003e\nType: Air Pressure Switch\u003cbr\u003e\nSize: Small\u003cbr\u003e\nApplication: Used in residential gas furnaces and HVAC units to monitor inducer motor airflow and ensure safe combustion venting.\u003cbr\u003e\nSpecifications: Pressure Setting: 0.33\" WC (Water Column); Function: Normally Open\/Air Proving","brand":"BCFurnace","offers":[{"title":"CARRIER PRESSURE SWITCH 0.33\" WC \/ 773-011","offer_id":49018354401565,"sku":null,"price":217.16,"currency_code":"CAD","in_stock":true},{"title":"CARRIER PRESSURE SWITCH 0.33\" WC \/ 310315-751","offer_id":49018354630941,"sku":null,"price":217.16,"currency_code":"CAD","in_stock":true},{"title":"CARRIER PRESSURE SWITCH 0.33\" WC \/ 310315-752","offer_id":49018354434333,"sku":null,"price":217.16,"currency_code":"CAD","in_stock":true},{"title":"CARRIER PRESSURE SWITCH 0.33\" WC \/ 326750-751","offer_id":49018354696477,"sku":null,"price":217.16,"currency_code":"CAD","in_stock":true},{"title":"CARRIER PRESSURE SWITCH 0.33\" WC \/ FS6536-866","offer_id":49018354729245,"sku":null,"price":217.16,"currency_code":"CAD","in_stock":true},{"title":"CARRIER PRESSURE SWITCH 0.33\" WC \/ HK06WC072","offer_id":49018354565405,"sku":null,"price":217.16,"currency_code":"CAD","in_stock":true},{"title":"CARRIER PRESSURE SWITCH 0.33\" WC \/ HK06WC073","offer_id":49018354827549,"sku":null,"price":217.16,"currency_code":"CAD","in_stock":true},{"title":"CARRIER PRESSURE SWITCH 0.33\" WC \/ HK06WC074","offer_id":49018354794781,"sku":null,"price":217.16,"currency_code":"CAD","in_stock":true},{"title":"CARRIER PRESSURE SWITCH 0.33\" WC \/ HK06WC076","offer_id":49018354532637,"sku":null,"price":217.16,"currency_code":"CAD","in_stock":true},{"title":"CARRIER PRESSURE SWITCH 0.33\" WC \/ HK06WC086","offer_id":49018354499869,"sku":null,"price":217.16,"currency_code":"CAD","in_stock":true},{"title":"CARRIER PRESSURE SWITCH 0.33\" WC \/ HK06WC088","offer_id":49018354762013,"sku":null,"price":217.16,"currency_code":"CAD","in_stock":true},{"title":"CARRIER PRESSURE SWITCH 0.33\" WC \/ HK06WC090","offer_id":49018354663709,"sku":null,"price":217.16,"currency_code":"CAD","in_stock":true},{"title":"CARRIER PRESSURE SWITCH 0.33\" WC \/ HK660001","offer_id":49018354467101,"sku":null,"price":217.16,"currency_code":"CAD","in_stock":true},{"title":"CARRIER PRESSURE SWITCH 0.33\" WC \/ PPS10022116","offer_id":49018354598173,"sku":null,"price":217.16,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/734548926eaa404d88647948c90e2b45.webp?v=1773967584"},{"product_id":"773-256","title":"773-256","description":"Ensure your heating system operates safely and efficiently with this replacement Goodman and Amana furnace pressure switch. Designed as a critical air proving safety device, this component monitors the negative pressure produced by the draft inducer motor to confirm that exhaust gases are being properly vented before the ignition cycle begins. If your gas furnace is failing to ignite, throwing error codes, or shutting down prematurely, this -0.35\" WC pressure switch may be the necessary replacement part. This durable HVAC component is essential for maintaining the correct safety sequence of your residential heating unit, providing reliable performance and peace of mind during the cold months.\u003cbr\u003e\nType: Air Pressure Switch\u003cbr\u003e\nSize: Small\u003cbr\u003e\nApplication: Residential gas furnaces and HVAC heating systems\u003cbr\u003e\nSpecifications: Pressure Rating: -0.35\" WC (Water Column); Function: Air Proving\/Safety Limit","brand":"BCFurnace","offers":[{"title":"GOODMAN\/AMANA PRESSURE SWITCH -0.35\" WC \/ 773-256","offer_id":47251019432221,"sku":null,"price":81.51,"currency_code":"CAD","in_stock":true},{"title":"GOODMAN\/AMANA PRESSURE SWITCH -0.35\" WC \/ B1370133","offer_id":47251019464989,"sku":null,"price":81.51,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/3b4a3d564ced4963bc61d37c136c350e.webp?v=1773957272"},{"product_id":"773-206","title":"773-206","description":"Ensure your high-efficiency furnace operates safely and efficiently with this premium two-stage air pressure switch. Designed as a critical safety component for residential HVAC systems, this air proving switch monitors the vacuum pressure created by the draft inducer motor. By verifying correct airflow and venting before allowing the ignition process to begin, it prevents the buildup of dangerous combustion gases. This dual-stage sensor is specifically calibrated for multi-stage heating units, providing precise monitoring during both low-fire and high-fire cycles. If your furnace is experiencing ignition failure, frequent cycling, or error codes related to pressure faults, this replacement switch is essential for restoring reliable heating performance and maintaining household safety.\u003cbr\u003e\nType: Air Pressure Switch\u003cbr\u003e\nSize: Standard\u003cbr\u003e\nApplication: Commonly used in two-stage gas furnaces and HVAC heating systems to monitor draft inducer blower performance and ensure proper venting of combustion gases.\u003cbr\u003e\nSpecifications: Dual-stage calibration; Low stage setpoint: -0.78\" WC; High stage setpoint: -1.25\" WC; Function: Air proving and safety interlock.","brand":"BCFurnace","offers":[{"title":"GOODMAN PRESSURE SWITCH 2-STG -0.78\" WC \/ -1.25\" WC \/ 773-206","offer_id":47251028508957,"sku":null,"price":88.55,"currency_code":"CAD","in_stock":true},{"title":"GOODMAN PRESSURE SWITCH 2-STG -0.78\" WC \/ -1.25\" WC \/ 0130F00475","offer_id":47251028541725,"sku":null,"price":88.55,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/9dd8758f7b6841118dcb7ab413cf7512.webp?v=1773957346"},{"product_id":"773-178","title":"773-178","description":"This premium York air pressure switch is a critical safety component designed for high-efficiency gas furnaces and HVAC systems. As an air proving switch, its primary function is to monitor the negative pressure created by the draft inducer motor, ensuring that combustion gases are safely vented out of the heat exchanger before the ignition sequence starts. If your heating system is experiencing startup failures or cycling issues related to airflow detection, replacing a faulty switch with this -0.85\" WC rated component is essential for restoring reliable performance. Engineered for durability and precision, this part helps prevent furnace operation under unsafe conditions, protecting your home and maximizing equipment longevity.\u003cbr\u003e\nType: Air Pressure Switch\u003cbr\u003e\nSize: Standard furnace component\u003cbr\u003e\nApplication: Used in residential and commercial gas furnaces and heating units to verify proper venting and blower operation during the ignition cycle.\u003cbr\u003e\nSpecifications: Pressure Setting: -0.85\" WC (Water Column); Type: Air Proving Switch; Functionality: Diaphragm-actuated safety sensor","brand":"BCFurnace","offers":[{"title":"YORK PRESSURE SWITCH -0.85`WC \/ 773-178","offer_id":50510534213917,"sku":null,"price":89.87,"currency_code":"CAD","in_stock":true},{"title":"YORK PRESSURE SWITCH -0.85`WC \/ 024-35786-000","offer_id":50510534476061,"sku":null,"price":89.87,"currency_code":"CAD","in_stock":true},{"title":"YORK PRESSURE SWITCH -0.85`WC \/ 02435786000","offer_id":50510534246685,"sku":null,"price":89.87,"currency_code":"CAD","in_stock":true},{"title":"YORK PRESSURE SWITCH -0.85`WC \/ 024-40873-000","offer_id":50510534443293,"sku":null,"price":89.87,"currency_code":"CAD","in_stock":true},{"title":"YORK PRESSURE SWITCH -0.85`WC \/ 02440873000","offer_id":50510534312221,"sku":null,"price":89.87,"currency_code":"CAD","in_stock":true},{"title":"YORK PRESSURE SWITCH -0.85`WC \/ B1370150","offer_id":50566571098397,"sku":null,"price":89.87,"currency_code":"CAD","in_stock":true},{"title":"YORK PRESSURE SWITCH -0.85`WC \/ S1-024-35786-000","offer_id":50510534279453,"sku":null,"price":89.87,"currency_code":"CAD","in_stock":true},{"title":"YORK PRESSURE SWITCH -0.85`WC \/ S1-02435786000","offer_id":50510534410525,"sku":null,"price":89.87,"currency_code":"CAD","in_stock":true},{"title":"YORK PRESSURE SWITCH -0.85`WC \/ S1-024-40873-000","offer_id":50510534377757,"sku":null,"price":89.87,"currency_code":"CAD","in_stock":true},{"title":"YORK PRESSURE SWITCH -0.85`WC \/ S1-02440873000","offer_id":50510534344989,"sku":null,"price":89.87,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/962afd1302b14175829a06bd01126016.webp?v=1773957356"},{"product_id":"773-051","title":"773-051","description":"This premium 2-stage air pressure switch is a vital safety component for high-efficiency gas furnaces. Designed as an air-proving switch, it monitors the differential pressure generated by the draft inducer motor to ensure that combustion gases are being safely exhausted before allowing the furnace to ignite. Featuring dual-stage calibration at 1.60\" WC and 0.81\" WC, it is specifically engineered for two-stage heating systems, ensuring precise performance during both low-fire and high-fire cycles. If your heating system is experiencing ignition failure, intermittent cycling, or triggering pressure switch error codes, this replacement part is essential for restoring safe and efficient HVAC operation.\u003cbr\u003e\nType: Air Pressure Switch\u003cbr\u003e\nSize: Standard HVAC Component\u003cbr\u003e\nApplication: High-efficiency two-stage gas furnaces and residential heating systems requiring air-proving safety controls.\u003cbr\u003e\nSpecifications: Dual-stage sensing; High-stage setpoint: 1.60\" WC; Low-stage setpoint: 0.81\" WC; Air-proving functionality; Designed for induced-draft combustion systems.","brand":"BCFurnace","offers":[{"title":"PRESSURE SWITCH 2-STG 1.60\" WC \/ 0.81\" WC \/ 773-051","offer_id":47251032604957,"sku":null,"price":146.96,"currency_code":"CAD","in_stock":true},{"title":"PRESSURE SWITCH 2-STG 1.60\" WC \/ 0.81\" WC \/ 319893-401","offer_id":47251032670493,"sku":null,"price":146.96,"currency_code":"CAD","in_stock":true},{"title":"PRESSURE SWITCH 2-STG 1.60\" WC \/ 0.81\" WC \/ HK06MB023","offer_id":47251032703261,"sku":null,"price":146.96,"currency_code":"CAD","in_stock":true},{"title":"PRESSURE SWITCH 2-STG 1.60\" WC \/ 0.81\" WC \/ HK06NB023","offer_id":47251032637725,"sku":null,"price":146.96,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/8b7008f461d94366b3c20dbc8ae844f1.webp?v=1773957392"},{"product_id":"773-050","title":"773-050","description":"This high-performance two-stage air pressure switch is a critical safety component designed for modern high-efficiency gas furnaces. As a vital air proving switch, it monitors the differential pressure generated by the draft inducer motor to ensure proper venting of combustion gases before ignition occurs. Featuring dual setpoints at 1.60\" WC and 0.71\" WC, this switch is specifically engineered to support multi-stage heating cycles, ensuring optimal performance in both low-fire and high-fire modes. If your heating system is experiencing ignition failure or intermittent shut-offs, replacing a faulty pressure switch is essential for restoring reliable furnace operation and ensuring home safety. This durable sensor helps maintain the efficiency of your HVAC system while preventing the buildup of harmful exhaust gases.\u003cbr\u003e\nType: Air Pressure Switch\u003cbr\u003e\nSize: Standard HVAC Component\u003cbr\u003e\nApplication: High-efficiency two-stage gas furnaces and forced-air heating systems requiring air proving safety verification.\u003cbr\u003e\nSpecifications: Dual-stage operation; High-fire trip point: 1.60\" WC; Low-fire trip point: 0.71\" WC; Normally open contacts; Air proving functionality.","brand":"BCFurnace","offers":[{"title":"PRESSURE SWITCH 2-STG 1.60\" WC \/ 0.71\" WC \/ 773-050","offer_id":47251033850141,"sku":null,"price":356.33,"currency_code":"CAD","in_stock":true},{"title":"PRESSURE SWITCH 2-STG 1.60\" WC \/ 0.71\" WC \/ HK06NB017","offer_id":47251033882909,"sku":null,"price":356.33,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/b9f67c1781354ca0a59efeeb351a4d2d.webp?v=1773957330"},{"product_id":"773-003","title":"773-003","description":"This premium two-stage air pressure switch is a critical safety component designed for high-efficiency residential gas furnaces and HVAC heating systems. As an essential air proving switch, it monitors the vacuum pressure generated by the draft inducer motor to ensure proper venting of combustion gases before allowing the furnace to ignite. Specifically calibrated for two-stage heating cycles, this sensor detects two distinct pressure levels to manage both low-fire and high-fire operations safely. If your furnace is experiencing ignition failure, frequent lockouts, or pressure switch error codes, this replacement part provides the precision needed to restore reliable heating performance. Engineered for durability and high-heat environments, it helps maintain the safety and efficiency of your home's central heating system by preventing the operation of the burner under unsafe venting conditions.\u003cbr\u003e\nType: Air Pressure Switch\u003cbr\u003e\nSize: Standard HVAC Component\u003cbr\u003e\nApplication: Two-stage gas furnaces, residential forced-air heating systems, and combustion air proving applications.\u003cbr\u003e\nSpecifications: Dual-stage calibration; Low-stage setpoint: -0.20\" WC; High-stage setpoint: -0.40\" WC; Designed for draft inducer motor pressure monitoring.","brand":"BCFurnace","offers":[{"title":"PRESSURE SWITCH 2-STG -0.20\" WC \/ -0.40\" WC \/ 773-003","offer_id":47251041616157,"sku":null,"price":138.56,"currency_code":"CAD","in_stock":true},{"title":"PRESSURE SWITCH 2-STG -0.20\" WC \/ -0.40\" WC \/ 102529-01","offer_id":47251041714461,"sku":null,"price":138.56,"currency_code":"CAD","in_stock":true},{"title":"PRESSURE SWITCH 2-STG -0.20\" WC \/ -0.40\" WC \/ 18M61","offer_id":47251041648925,"sku":null,"price":138.56,"currency_code":"CAD","in_stock":true},{"title":"PRESSURE SWITCH 2-STG -0.20\" WC \/ -0.40\" WC \/ 18M6101","offer_id":47251041747229,"sku":null,"price":138.56,"currency_code":"CAD","in_stock":true},{"title":"PRESSURE SWITCH 2-STG -0.20\" WC \/ -0.40\" WC \/ 63W40","offer_id":47251041681693,"sku":null,"price":138.56,"currency_code":"CAD","in_stock":true},{"title":"PRESSURE SWITCH 2-STG -0.20\" WC \/ -0.40\" WC \/ 63W4001","offer_id":49880349802781,"sku":null,"price":138.56,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/c2006b2853f94efbb66a2c13c621daa0.webp?v=1773957388"},{"product_id":"773-047","title":"773-047","description":"This premium two-stage air pressure switch is a vital safety component for high-efficiency gas furnaces and HVAC systems. Functioning as an air proving sensor, it ensures that the draft inducer motor is creating sufficient airflow for safe combustion. Designed for dual-stage heating units, this switch features precise set points of 0.30\" WC and 0.78\" WC to manage different firing rates. It is an essential replacement part for resolving ignition failures and error codes related to venting issues, ensuring your furnace operates reliably and safely. Its durable construction provides accurate pressure sensing and long-lasting performance in demanding residential heating applications.\u003cbr\u003e\nType: Air Pressure Switch\u003cbr\u003e\nSize: Standard HVAC control component\u003cbr\u003e\nApplication: High-efficiency residential gas furnaces and two-stage heating systems requiring air proving safety checks.\u003cbr\u003e\nSpecifications: Two-stage operation; Low stage set point: 0.30\" WC; High stage set point: 0.78\" WC; Diaphragm-actuated sensing mechanism.","brand":"BCFurnace","offers":[{"title":"PRESSURE SWITCH 2-STG 0.30\" WC \/ 0.78\" WC \/ 773-047","offer_id":47251042337053,"sku":null,"price":152.08,"currency_code":"CAD","in_stock":true},{"title":"PRESSURE SWITCH 2-STG 0.30\" WC \/ 0.78\" WC \/ 1184415","offer_id":47251042468125,"sku":null,"price":152.08,"currency_code":"CAD","in_stock":true},{"title":"PRESSURE SWITCH 2-STG 0.30\" WC \/ 0.78\" WC \/ 1191552","offer_id":47251042435357,"sku":null,"price":152.08,"currency_code":"CAD","in_stock":true},{"title":"PRESSURE SWITCH 2-STG 0.30\" WC \/ 0.78\" WC \/ HK06MB021","offer_id":47251042402589,"sku":null,"price":152.08,"currency_code":"CAD","in_stock":true},{"title":"PRESSURE SWITCH 2-STG 0.30\" WC \/ 0.78\" WC \/ HK06NB021","offer_id":47251042369821,"sku":null,"price":152.08,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/7ab06982004b4a47b545ad9a256b7750.webp?v=1773957374"},{"product_id":"773-300","title":"773-300","description":"Ensure the safe and efficient operation of your heating system with this professional-grade 2-stage air pressure switch. Designed for high-efficiency gas furnaces, this dual-stage air proving switch acts as a critical safety sensor that monitors the venting process. It verifies that the inducer motor is creating the necessary vacuum to exhaust combustion gases before allowing the ignition process to proceed. This component is an essential replacement for furnaces experiencing startup failures, short-cycling, or pressure-related safety lockouts. With precision-tuned set points for two-stage heating cycles, this switch ensures your HVAC system operates at peak performance while maintaining strict safety standards.\u003cbr\u003e\nType: Air Pressure Switch\u003cbr\u003e\nSize: Standard HVAC Component\u003cbr\u003e\nApplication: Used in high-efficiency two-stage gas furnaces and residential heating systems to monitor inducer motor draft and prove airflow safety.\u003cbr\u003e\nSpecifications: Dual-stage sensing functionality; Low-stage set point: -0.10\" WC; High-stage set point: -1.27\" WC; sensitive diaphragm construction for precise vacuum measurement.","brand":"BCFurnace","offers":[{"title":"GOODMAN PRESSURE SWITCH 2-STG -0.10\" WC \/ -1.27\" WC \/ 773-300","offer_id":47251043844381,"sku":null,"price":68.86,"currency_code":"CAD","in_stock":true},{"title":"GOODMAN PRESSURE SWITCH 2-STG -0.10\" WC \/ -1.27\" WC \/ 0130F00477","offer_id":47251043877149,"sku":null,"price":68.86,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/f414705ad681467ab0dfe758e0d79f08.webp?v=1773957395"},{"product_id":"773-023","title":"773-023","description":"This premium two-stage air pressure switch is a critical safety component designed for high-efficiency gas furnaces and HVAC heating systems. As a dual-stage air proving switch, it monitors the pressure differential created by the draft inducer motor to ensure that combustion gases are being properly vented before allowing the ignition process to proceed. With precise factory-set points of 0.60\" WC and 0.20\" WC, this switch facilitates the reliable operation of two-stage heating cycles, allowing your unit to safely transition between low and high heat outputs. If your furnace is experiencing ignition failure, frequent cycling, or error codes related to air flow or venting, this replacement pressure switch is essential for restoring optimal performance and maintaining the safety standards of your residential or commercial heating equipment.\u003cbr\u003e\nType: Air Pressure Switch\u003cbr\u003e\nSize: Standard compact HVAC component\u003cbr\u003e\nApplication: Used in two-stage gas furnaces and HVAC units to monitor inducer motor pressure and ensure safe combustion venting.\u003cbr\u003e\nSpecifications: Dual-stage operation; Low-stage set point: 0.20\" WC; High-stage set point: 0.60\" WC; Function: Differential Air Proving.","brand":"BCFurnace","offers":[{"title":"YORK PRESSURE SWITCH 2-STG 0.60\" WC \/ 0.20\" WC \/ 773-023","offer_id":47251044270365,"sku":null,"price":177.26,"currency_code":"CAD","in_stock":true},{"title":"YORK PRESSURE SWITCH 2-STG 0.60\" WC \/ 0.20\" WC \/ 024-35324-000","offer_id":47251044368669,"sku":null,"price":177.26,"currency_code":"CAD","in_stock":true},{"title":"YORK PRESSURE SWITCH 2-STG 0.60\" WC \/ 0.20\" WC \/ 02435324000","offer_id":47251044401437,"sku":null,"price":177.26,"currency_code":"CAD","in_stock":true},{"title":"YORK PRESSURE SWITCH 2-STG 0.60\" WC \/ 0.20\" WC \/ S1-024-35324-000","offer_id":47251044335901,"sku":null,"price":177.26,"currency_code":"CAD","in_stock":true},{"title":"YORK PRESSURE SWITCH 2-STG 0.60\" WC \/ 0.20\" WC \/ S1-02435324000","offer_id":47251044303133,"sku":null,"price":177.26,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/c1b1f215b5764c5f81ceb9d24bebe1da.webp?v=1773966642"},{"product_id":"773-016","title":"773-016","description":"This high-quality replacement pressure switch is designed for Lennox gas furnaces and HVAC heating systems. As a critical air proving component, it monitors the negative pressure created by the draft inducer motor to ensure proper venting of exhaust gases before ignition. Operating at a set point of -0.95\" WC (Water Column), this vacuum switch acts as a vital safety lockout, preventing the furnace from operating if it detects inadequate airflow, a failing inducer motor, or a blocked vent. If your heating system is experiencing startup failures or intermittent shut-offs, replacing the air pressure switch can restore safe and efficient operation. Engineered for durability and precision, this switch ensures your HVAC system maintains optimal combustion and indoor air safety.\u003cbr\u003e\nType: Air Pressure Switch\u003cbr\u003e\nSize: Standard\u003cbr\u003e\nApplication: Used in residential gas furnaces and HVAC units to prove airflow and ensure combustion safety.\u003cbr\u003e\nSpecifications: Pressure Setting: -0.95\" WC (Water Column); Sensing Type: Negative Pressure\/Vacuum; Application: Air Proving and Safety Cut-off.","brand":"BCFurnace","offers":[{"title":"LENNOX PRESSURE SWITCH -0.95\" WC \/ 773-016","offer_id":47251045351709,"sku":null,"price":122.81,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH -0.95\" WC \/ 101256-03","offer_id":47251045450013,"sku":null,"price":122.81,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH -0.95\" WC \/ 51W91","offer_id":47251045417245,"sku":null,"price":122.81,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH -0.95\" WC \/ 56M05","offer_id":47251045384477,"sku":null,"price":122.81,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH -0.95\" WC \/ 56M0501","offer_id":47251045482781,"sku":null,"price":122.81,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/0bbef84478a640b588fa425b65335db6.webp?v=1773957404"},{"product_id":"773-013","title":"773-013","description":"This premium furnace air pressure switch is a vital safety component designed for high-efficiency residential heating systems. Acting as an air-proving switch, it monitors the negative pressure generated by the draft inducer motor to ensure the combustion process has adequate airflow and that the venting system is clear of obstructions. Calibrated to a precise 1.95\" WC set point, this switch protects your HVAC system by preventing the ignition cycle if safe operating conditions are not met. It is an essential replacement part for restoring furnace reliability, solving common ignition failures, and ensuring the safe operation of your home's heating equipment.\u003cbr\u003e\nType: Air Pressure Switch\u003cbr\u003e\nSize: Standard HVAC Component\u003cbr\u003e\nApplication: Commonly used in forced-air gas furnaces to monitor inducer motor performance and flue pipe integrity. Suitable for high-efficiency heating units requiring a specific water column pressure threshold for combustion safety.\u003cbr\u003e\nSpecifications: Pressure Setting: 1.95\" WC (Water Column); Function: Air Proving\/Safety Interlock; Type: Diaphragm-actuated sensing switch.","brand":"BCFurnace","offers":[{"title":"LENNOX PRESSURE SWITCH 1.95\" WC \/ 773-013","offer_id":47251045974301,"sku":null,"price":162.08,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 1.95\" WC \/ 38M64","offer_id":47251046007069,"sku":null,"price":162.08,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 1.95\" WC \/ 38M6401","offer_id":47251046039837,"sku":null,"price":162.08,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/1b438e455a59442b970e048f85243988.webp?v=1773957358"},{"product_id":"773-021","title":"773-021","description":"Ensure your heating system operates safely and efficiently with this premium Air Pressure Switch. Designed as a critical safety component for gas furnaces and HVAC units, this air proving switch monitors the pressure generated by the draft inducer motor. It confirms that the system is properly venting combustion gases before allowing the ignition process to begin, preventing hazardous operation. If your furnace is experiencing ignition failure, frequent cycling, or pressure-related error codes, this 0.46\" WC rated switch is an essential replacement part to restore reliable heating performance. Engineered for precise calibration and long-lasting durability, it serves as a vital safeguard for residential and commercial forced-air heating systems.\u003cbr\u003e\nType: Air Pressure Switch\u003cbr\u003e\nSize: Standard\u003cbr\u003e\nApplication: Gas furnaces, HVAC heating systems, and draft inducer motor assemblies.\u003cbr\u003e\nSpecifications: Pressure Setting: 0.46\" WC (Water Column); Function: Air Proving \/ Safety Interlock; Application: Negative Pressure Sensing","brand":"BCFurnace","offers":[{"title":"PRESSURE SWITCH 0.46\" WC \/ 773-021","offer_id":47251048694045,"sku":null,"price":407.99,"currency_code":"CAD","in_stock":true},{"title":"PRESSURE SWITCH 0.46\" WC \/ 20J88","offer_id":47251048825117,"sku":null,"price":407.99,"currency_code":"CAD","in_stock":true},{"title":"PRESSURE SWITCH 0.46\" WC \/ 33J89","offer_id":47251048726813,"sku":null,"price":407.99,"currency_code":"CAD","in_stock":true},{"title":"PRESSURE SWITCH 0.46\" WC \/ 33J8901","offer_id":47251048857885,"sku":null,"price":407.99,"currency_code":"CAD","in_stock":true},{"title":"PRESSURE SWITCH 0.46\" WC \/ FS6746-1657","offer_id":47251048792349,"sku":null,"price":407.99,"currency_code":"CAD","in_stock":true},{"title":"PRESSURE SWITCH 0.46\" WC \/ FS6746-1657\/U","offer_id":47251048759581,"sku":null,"price":407.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/75669f89cfb9427f853449da86bbe8fa.webp?v=1773957384"},{"product_id":"773-012","title":"773-012","description":"Ensure your heating system operates safely and efficiently with this replacement air pressure switch for Lennox and Armstrong furnaces. This 0.55\" WC air proving switch is a vital safety mechanism that monitors the pressure differential created by the inducer motor. It confirms proper venting and airflow before allowing the furnace ignition sequence to proceed, preventing the buildup of dangerous exhaust gases. Ideal for repairing HVAC units experiencing ignition failures or pressure-related error codes, this durable switch provides the precise calibration needed for reliable climate control. Whether you are performing routine maintenance or a critical repair, this pressure sensor ensures your forced-air furnace meets factory safety standards.\u003cbr\u003e\nType: Air Pressure Switch\u003cbr\u003e\nSize: Standard\u003cbr\u003e\nApplication: Designed for use in residential forced-air furnaces and induced-draft heating systems to verify proper exhaust venting and airflow safety.\u003cbr\u003e\nSpecifications: Pressure Rating: 0.55\" WC (Water Column), Application: Air Proving\/Inducer Pressure Monitoring","brand":"BCFurnace","offers":[{"title":"LENNOX, ARMSTRONG PRESSURE SWITCH 0.55\" WC \/ 773-012","offer_id":47251049644317,"sku":null,"price":94.1,"currency_code":"CAD","in_stock":true},{"title":"LENNOX, ARMSTRONG PRESSURE SWITCH 0.55\" WC \/ 103018-03","offer_id":47251049775389,"sku":null,"price":94.1,"currency_code":"CAD","in_stock":true},{"title":"LENNOX, ARMSTRONG PRESSURE SWITCH 0.55\" WC \/ 103247-03","offer_id":47251049709853,"sku":null,"price":94.1,"currency_code":"CAD","in_stock":true},{"title":"LENNOX, ARMSTRONG PRESSURE SWITCH 0.55\" WC \/ 74W89","offer_id":47251049742621,"sku":null,"price":94.1,"currency_code":"CAD","in_stock":true},{"title":"LENNOX, ARMSTRONG PRESSURE SWITCH 0.55\" WC \/ 80W51","offer_id":47251049677085,"sku":null,"price":94.1,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/e23f0e6b385f44b28c32fb1941a97c08.webp?v=1773957387"},{"product_id":"773-014","title":"773-014","description":"The Lennox Pressure Switch (-1.00\" WC) is a vital safety component for residential gas furnaces and HVAC systems. Also known as an air-proving switch, this part monitors the negative pressure created by the draft inducer motor to ensure proper venting before the heating cycle begins. It acts as a fail-safe, preventing the furnace from igniting if it detects a blockage or a failure in the exhaust system. If your heating system is experiencing ignition issues or signaling a pressure fault, replacing the air pressure sensor can restore reliable operation. This high-quality component is designed for precise vacuum detection, ensuring your home stays warm and safe throughout the winter.\u003cbr\u003e\nType: Air Pressure Switch\u003cbr\u003e\nSize: Compact\u003cbr\u003e\nApplication: Gas furnace safety circuits, draft inducer motor monitoring, and residential HVAC system maintenance.\u003cbr\u003e\nSpecifications: Pressure Rating: -1.00\" WC (Water Column); Function: Air proving and safety shut-off; Type: Negative pressure sensing.","brand":"BCFurnace","offers":[{"title":"LENNOX PRESSURE SWITCH -1.00\" WC \/ 773-014","offer_id":47251050791197,"sku":null,"price":109.04,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH -1.00\" WC \/ 100658-01","offer_id":47251050856733,"sku":null,"price":109.04,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH -1.00\" WC \/ 101256-04","offer_id":47251050922269,"sku":null,"price":109.04,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH -1.00\" WC \/ 51W92","offer_id":47251050889501,"sku":null,"price":109.04,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH -1.00\" WC \/ 95M22","offer_id":47251050823965,"sku":null,"price":109.04,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/b49b618127fc40029b9dbc36f4878b4d.webp?v=1773957390"},{"product_id":"773-015","title":"773-015","description":"This premium air pressure switch is a vital safety component designed for high-efficiency gas furnaces and HVAC heating systems. Engineered to monitor the negative pressure created by the draft inducer motor, this air proving switch ensures that combustion gases are being safely exhausted through the vent pipe before allowing the furnace to ignite. If your heating system is experiencing ignition failure or displaying pressure switch circuit errors, this calibrated sensor is a necessary replacement to restore safe and reliable operation. Built with high-quality materials for long-lasting performance, it helps prevent hazardous conditions by verifying proper airflow and venting during the start-up sequence. It is a critical part for maintaining the efficiency and safety of residential forced-air furnaces.\u003cbr\u003e\nType: Air Pressure Switch\u003cbr\u003e\nSize: Standard HVAC Component\u003cbr\u003e\nDimensions: Not specified × Not specified × Not specified\u003cbr\u003e\nApplication: Used in residential gas furnaces and HVAC systems to verify proper inducer motor draft and venting safety.\u003cbr\u003e\nSpecifications: Calibrated to -1.12 inch WC (Water Column) pressure set point; functions as an air proving sensor for combustion safety.","brand":"BCFurnace","offers":[{"title":"LENNOX PRESSURE SWITCH -1.12\" WC \/ 773-015","offer_id":47251051217181,"sku":null,"price":99.63,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH -1.12\" WC \/ 100658-02","offer_id":47251051282717,"sku":null,"price":99.63,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH -1.12\" WC \/ 101256-05","offer_id":47251051348253,"sku":null,"price":99.63,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH -1.12\" WC \/ 51W93","offer_id":47251051315485,"sku":null,"price":99.63,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH -1.12\" WC \/ 95M23","offer_id":47251051249949,"sku":null,"price":99.63,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH -1.12\" WC \/ R40217-001","offer_id":47251051381021,"sku":null,"price":99.63,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/bdf2f753c0df4b658a845cc5399e9c51.webp?v=1773967100"},{"product_id":"773-017","title":"773-017","description":"This dual port air pressure switch is a vital safety and performance component for residential gas furnaces and high-efficiency heating systems. Functioning as an air proving switch, it monitors the vacuum pressure created by the inducer motor to ensure proper venting of combustion gases before allowing the ignition sequence to proceed. If your furnace is experiencing startup failures, frequent cycling, or error codes related to airflow, this replacement pressure switch is essential for restoring reliable operation. Designed for precision and durability, it features a dual-port configuration and a factory-calibrated set point to maintain the high safety standards of your HVAC equipment.\u003cbr\u003e\nType: Furnace Air Pressure Switch\u003cbr\u003e\nSize: Standard\u003cbr\u003e\nApplication: Forced-air gas furnaces, high-efficiency heating units, and HVAC air proving systems.\u003cbr\u003e\nSpecifications: Set Point: -0.85\" WC (Water Column); Configuration: Dual Port; Function: Safety airflow monitoring and vacuum sensing.","brand":"BCFurnace","offers":[{"title":"LENNOX PRESSURE SWITCH DUAL PORT -0.85\" WC \/ 773-017","offer_id":47251052527901,"sku":null,"price":129.15,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH DUAL PORT -0.85\" WC \/ 101256-01","offer_id":47251052626205,"sku":null,"price":129.15,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH DUAL PORT -0.85\" WC \/ 27W17","offer_id":47251052560669,"sku":null,"price":129.15,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH DUAL PORT -0.85\" WC \/ 27W1701","offer_id":47251052658973,"sku":null,"price":129.15,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH DUAL PORT -0.85\" WC \/ 56M06","offer_id":47251052593437,"sku":null,"price":129.15,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH DUAL PORT -0.85\" WC \/ 56M0601","offer_id":47251052691741,"sku":null,"price":129.15,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/b733bdc213854e20b484756b17e5c345.webp?v=1773957367"},{"product_id":"773-018","title":"773-018","description":"This high-performance furnace air pressure switch is a critical safety component designed to monitor the draft inducer motor in residential heating systems. As an essential air proving switch, it ensures that your furnace is venting exhaust gases correctly before allowing the ignition sequence to proceed. If your HVAC system is experiencing ignition failure or frequent cycling, a reliable pressure switch replacement can restore safe and efficient operation. This part is engineered to detect precise pressure changes, providing a vital safeguard against venting malfunctions in forced-air gas furnaces.\u003cbr\u003e\nType: Air Pressure Switch\u003cbr\u003e\nSize: Standard HVAC Component\u003cbr\u003e\nApplication: Used in residential gas furnaces and HVAC heating systems to prove airflow and ensure proper venting of combustion gases.\u003cbr\u003e\nSpecifications: Pressure Setting: 0.75\" WC (Water Column); Function: Air Proving\/Safety Interlock; Application: Draft Inducer Monitoring.","brand":"BCFurnace","offers":[{"title":"PRESSURE SWITCH 0.75\" WC \/ 773-018","offer_id":47251052921117,"sku":null,"price":101.84,"currency_code":"CAD","in_stock":true},{"title":"PRESSURE SWITCH 0.75\" WC \/ 75M20","offer_id":47251052953885,"sku":null,"price":101.84,"currency_code":"CAD","in_stock":true},{"title":"PRESSURE SWITCH 0.75\" WC \/ 75M2001","offer_id":47251053019421,"sku":null,"price":101.84,"currency_code":"CAD","in_stock":true},{"title":"PRESSURE SWITCH 0.75\" WC \/ IS20218-5509","offer_id":47251053052189,"sku":null,"price":101.84,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/ca68ba925b5d4616877abd32a72f0f44.webp?v=1773957400"},{"product_id":"773-022","title":"773-022","description":"The York Pressure Switch -0.75\" WC is a critical safety and air-proving component engineered for residential and commercial gas furnaces. This pressure switch monitors the airflow and negative pressure generated by the inducer motor to ensure the venting system is clear and operating safely. By detecting a specific vacuum of -0.75\" WC, it confirms that exhaust gases are being properly expelled before allowing the ignition sequence to proceed. It is a vital replacement part for HVAC systems that fail to ignite or trigger pressure switch error codes. Designed for precision and high-reliability performance, this switch helps maintain the efficiency and safety of your heating equipment by preventing operation during obstructed venting conditions.\u003cbr\u003e\nType: Air Pressure Switch\u003cbr\u003e\nSize: Small\u003cbr\u003e\nApplication: Used in gas-fired furnaces and HVAC heating systems to monitor inducer motor pressure and ensure proper combustion venting.\u003cbr\u003e\nSpecifications: Set point: -0.75\" WC (Water Column); Function: Air proving and safety interlocking for furnace ignition.","brand":"BCFurnace","offers":[{"title":"YORK PRESSURE SWITCH -0.75\" WC \/ 773-022","offer_id":47251053642013,"sku":null,"price":89.87,"currency_code":"CAD","in_stock":true},{"title":"YORK PRESSURE SWITCH -0.75\" WC \/ 024-35785-000","offer_id":47251053740317,"sku":null,"price":89.87,"currency_code":"CAD","in_stock":true},{"title":"YORK PRESSURE SWITCH -0.75\" WC \/ 02435785000","offer_id":47251053773085,"sku":null,"price":89.87,"currency_code":"CAD","in_stock":true},{"title":"YORK PRESSURE SWITCH -0.75\" WC \/ 024-40872-000","offer_id":47251053871389,"sku":null,"price":89.87,"currency_code":"CAD","in_stock":true},{"title":"YORK PRESSURE SWITCH -0.75\" WC \/ 02440872000","offer_id":47251053904157,"sku":null,"price":89.87,"currency_code":"CAD","in_stock":true},{"title":"YORK PRESSURE SWITCH -0.75\" WC \/ S1-024-35785-000","offer_id":47251053707549,"sku":null,"price":89.87,"currency_code":"CAD","in_stock":true},{"title":"YORK PRESSURE SWITCH -0.75\" WC \/ S1-02435785000","offer_id":47251053674781,"sku":null,"price":89.87,"currency_code":"CAD","in_stock":true},{"title":"YORK PRESSURE SWITCH -0.75\" WC \/ S1-024-40872-000","offer_id":47251053838621,"sku":null,"price":89.87,"currency_code":"CAD","in_stock":true},{"title":"YORK PRESSURE SWITCH -0.75\" WC \/ S1-02440872000","offer_id":47251053805853,"sku":null,"price":89.87,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/0a4633d54fac4130a085fe54d9ba8594.webp?v=1773966607"},{"product_id":"773-026","title":"773-026","description":"This premium 2-stage air pressure switch is a critical safety component designed for high-efficiency gas furnaces and HVAC systems. Functioning as an air proving switch, it monitors the pressure differential created by the draft inducer motor to ensure that flue gases are being properly exhausted before allowing the ignition process to proceed. Specifically calibrated for two-stage heating units, this switch features dual setpoints of -0.15\" WC and -0.35\" WC, allowing the system to verify airflow requirements for both low-fire and high-fire operations. If your heating system is experiencing ignition failure, frequent cycling, or displaying pressure switch circuit errors, this reliable replacement part ensures your furnace operates safely and efficiently.\u003cbr\u003e\nType: Air Pressure Switch \/ Air Proving Switch\u003cbr\u003e\nSize: Standard\u003cbr\u003e\nApplication: Used in residential and commercial dual-stage gas furnaces and heating systems to monitor venting vacuum and airflow safety.\u003cbr\u003e\nSpecifications: Configuration: 2-Stage; Low Stage Setpoint: -0.15\" WC; High Stage Setpoint: -0.35\" WC; Sensing Medium: Air; Application: Vacuum\/Pressure Sensing.","brand":"BCFurnace","offers":[{"title":"PRESSURE SWITCH 2-STG -0.15\" WC \/ -0.35\" WC \/ 773-026","offer_id":47251057049885,"sku":null,"price":264.19,"currency_code":"CAD","in_stock":true},{"title":"PRESSURE SWITCH 2-STG -0.15\" WC \/ -0.35\" WC \/ 024-35276-000","offer_id":47251057148189,"sku":null,"price":264.19,"currency_code":"CAD","in_stock":true},{"title":"PRESSURE SWITCH 2-STG -0.15\" WC \/ -0.35\" WC \/ 02435276000","offer_id":47251057180957,"sku":null,"price":264.19,"currency_code":"CAD","in_stock":true},{"title":"PRESSURE SWITCH 2-STG -0.15\" WC \/ -0.35\" WC \/ S1-024-35276-000","offer_id":47251057115421,"sku":null,"price":264.19,"currency_code":"CAD","in_stock":true},{"title":"PRESSURE SWITCH 2-STG -0.15\" WC \/ -0.35\" WC \/ S1-02435276000","offer_id":47251057082653,"sku":null,"price":264.19,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/88f9db14cf054be69eb075760af61bd2.webp?v=1773957449"},{"product_id":"773-020","title":"773-020","description":"This premium air pressure switch is a vital safety component for high-efficiency gas furnaces and HVAC systems. Designed to function as an air-proving switch, it monitors the draft created by the inducer motor to ensure combustion gases are safely vented before allowing the furnace to ignite. If your heating system is experiencing ignition failure, intermittent cycling, or pressure switch lockout errors, this precision-calibrated component is the ideal replacement. It features dual set points of 0.35\" WC and 0.50\" WC to maintain strict safety standards and optimal appliance performance. Built for durability and reliability, this switch protects your home by preventing the burner from firing under unsafe venting conditions.\u003cbr\u003e\nType: Air Pressure Switch\u003cbr\u003e\nSize: Standard HVAC Component\u003cbr\u003e\nApplication: Residential gas furnaces, high-efficiency forced-air heating systems, and HVAC venting safety circuits.\u003cbr\u003e\nSpecifications: Set Points: 0.35\" WC \/ 0.50\" WC; Function: Air Proving and Draft Verification; Construction: Durable diaphragm housing with integrated mounting bracket.","brand":"BCFurnace","offers":[{"title":"LENNOX PRESSURE SWITCH 0.35\" WC \/ 0.50\" WC \/ 773-020","offer_id":47251057475869,"sku":null,"price":137.38,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 0.35\" WC \/ 0.50\" WC \/ 103271-08","offer_id":47251057606941,"sku":null,"price":137.38,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 0.35\" WC \/ 0.50\" WC \/ 103613-08","offer_id":47251057541405,"sku":null,"price":137.38,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 0.35\" WC \/ 0.50\" WC \/ 84W69","offer_id":47251057574173,"sku":null,"price":137.38,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 0.35\" WC \/ 0.50\" WC \/ 93W84","offer_id":47251057508637,"sku":null,"price":137.38,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/9a7c56735eb740b59ad362edcda8170a.webp?v=1773959908"},{"product_id":"773-032","title":"773-032","description":"This premium air pressure switch is a vital safety component designed for high-performance gas furnaces and rooftop HVAC units. Functioning as an air proving switch, it monitors the pressure differential created by the inducer motor to ensure proper airflow and venting before the ignition process begins. If your heating system is experiencing ignition failure or pressure switch lockout errors, this 4.5 inch WC sensor provides a reliable solution to restore safe operation. Built to detect critical pressure thresholds, this component prevents the operation of the burner under unsafe venting conditions, protecting your equipment and ensuring efficient combustion throughout the heating cycle.\u003cbr\u003e\nType: Air Pressure Switch\u003cbr\u003e\nSize: Standard HVAC pressure switch\u003cbr\u003e\nApplication: Used in residential gas furnaces, commercial rooftop heating units, and forced-air HVAC systems to prove inducer motor operation and venting integrity.\u003cbr\u003e\nSpecifications: 4.5 inch Water Column (WC) pressure rating, air proving functionality, designed for combustion safety monitoring.","brand":"BCFurnace","offers":[{"title":"LENNOX PRESSURE SWITCH 4.5\" WC \/ 773-032","offer_id":47251057672477,"sku":null,"price":372.89,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 4.5\" WC \/ 33J88","offer_id":47251057705245,"sku":null,"price":372.89,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 4.5\" WC \/ 33J8801","offer_id":47251057738013,"sku":null,"price":372.89,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 4.5\" WC \/ 37651","offer_id":47251057803549,"sku":null,"price":372.89,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 4.5\" WC \/ GF3466-1658","offer_id":47251057770781,"sku":null,"price":372.89,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 4.5\" WC \/ P-3-1260","offer_id":47251057836317,"sku":null,"price":372.89,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/6ef89592ea7a4c5c9835cdf595b933d7.webp?v=1773957409"},{"product_id":"773-019","title":"773-019","description":"This high-quality pressure switch is a critical safety component designed for residential HVAC systems, specifically gas furnaces and air handlers. Rated at 0.65\" WC (Water Column), this air proving switch monitors the pressure levels within the combustion chamber to ensure the draft inducer motor is operating correctly. By verifying proper airflow before allowing ignition, it protects the system from venting failures and hazardous conditions. If your furnace is failing to ignite or shuts off prematurely, this replacement pressure switch is a reliable solution to restore safe and efficient heating performance.\u003cbr\u003e\nType: Air Pressure Switch\u003cbr\u003e\nSize: Standard replacement component\u003cbr\u003e\nApplication: Used in forced-air gas furnaces and heating systems to monitor draft pressure and ensure proper venting before ignition.\u003cbr\u003e\nSpecifications: Pressure Rating: 0.65\" WC (Water Column); Component Type: Air Proving Switch; Function: Normally Open, closes on pressure rise.","brand":"BCFurnace","offers":[{"title":"LENNOX PRESSURE SWITCH 0.65\" WC \/ 773-019","offer_id":47251059966237,"sku":null,"price":83.09,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 0.65\" WC \/ 102998-01","offer_id":47251060097309,"sku":null,"price":83.09,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 0.65\" WC \/ 103245-01","offer_id":47251060293917,"sku":null,"price":83.09,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 0.65\" WC \/ 103614-01","offer_id":47251060261149,"sku":null,"price":83.09,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 0.65\" WC \/ 103614-11","offer_id":47251060162845,"sku":null,"price":83.09,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 0.65\" WC \/ 104371-01","offer_id":47251060031773,"sku":null,"price":83.09,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 0.65\" WC \/ 10U93","offer_id":51079518585117,"sku":null,"price":83.09,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 0.65\" WC \/ 11U64","offer_id":47251059999005,"sku":null,"price":83.09,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 0.65\" WC \/ 73W22","offer_id":47251060064541,"sku":null,"price":83.09,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 0.65\" WC \/ 80W59","offer_id":47251060228381,"sku":null,"price":83.09,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 0.65\" WC \/ 9370DO-BS-0044","offer_id":47251060195613,"sku":null,"price":83.09,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 0.65\" WC \/ 93W86","offer_id":47251060130077,"sku":null,"price":83.09,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/c59eefe8911f456ebcc42ef624e43a2c.webp?v=1773957444"},{"product_id":"773-029","title":"773-029","description":"This premium 2-stage air pressure switch is a critical safety component designed for high-efficiency residential gas furnaces. Engineered to monitor the pressure within the draft inducer motor assembly, this air proving switch ensures that your HVAC system is venting combustion gases safely and effectively before allowing the ignition process to begin. Operating with dual setpoints of -0.90\" WC and -0.45\" WC, this replacement part is essential for restoring proper heating performance in two-stage heating systems. If your furnace is failing to ignite or displaying a pressure switch lockout error, this reliable sensor is the ideal solution to ensure peak efficiency and home safety.\u003cbr\u003e\nType: Air Pressure Switch\u003cbr\u003e\nSize: Standard\u003cbr\u003e\nApplication: Used in two-stage residential gas furnaces and high-efficiency HVAC systems to verify inducer motor performance and flue gas venting.\u003cbr\u003e\nSpecifications: Dual-stage operation; High-fire setpoint: -0.90\" WC; Low-fire setpoint: -0.45\" WC; vacuum-actuated sensing.","brand":"BCFurnace","offers":[{"title":"LENNOX PRESSURE SWITCH 2-STG -0.90\" WC \/ -0.45\" WC \/ 773-029","offer_id":47251062325533,"sku":null,"price":122.9,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 2-STG -0.90\" WC \/ -0.45\" WC \/ 103271-01","offer_id":47251062423837,"sku":null,"price":122.9,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 2-STG -0.90\" WC \/ -0.45\" WC \/ 103613-01","offer_id":47251062554909,"sku":null,"price":122.9,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 2-STG -0.90\" WC \/ -0.45\" WC \/ 104549-01","offer_id":47251062489373,"sku":null,"price":122.9,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 2-STG -0.90\" WC \/ -0.45\" WC \/ 14A43","offer_id":47251062456605,"sku":null,"price":122.9,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 2-STG -0.90\" WC \/ -0.45\" WC \/ 84W05","offer_id":47251062358301,"sku":null,"price":122.9,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 2-STG -0.90\" WC \/ -0.45\" WC \/ 93W77","offer_id":47251062522141,"sku":null,"price":122.9,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/fed806dad63347d5a402f238d1a943ff.webp?v=1773964760"},{"product_id":"773-028","title":"773-028","description":"This single-port air pressure switch is a vital safety component designed for modern high-efficiency HVAC furnaces. Functioning as an air-proving switch, it monitors the draft created by the inducer motor to ensure the system is venting exhaust gases safely. If the vacuum pressure reaches the calibrated set point of 0.15\" WC, the switch closes to allow the ignition sequence to begin. This part is a common solution for heating systems experiencing ignition failure, intermittent operation, or 'pressure switch stuck open' error codes. Durable and precise, it ensures your residential or commercial heating equipment operates with maximum safety and efficiency by preventing the burner from firing without proper airflow.\u003cbr\u003e\nType: Air Pressure Switch\u003cbr\u003e\nSize: Standard furnace component\u003cbr\u003e\nApplication: Used in gas-fired furnaces and HVAC heating systems to verify proper draft induction and venting before ignition.\u003cbr\u003e\nSpecifications: Pressure Rating: 0.15\" WC (Water Column); Configuration: Single Port; Function: Air Proving\/Safety Interlock","brand":"BCFurnace","offers":[{"title":"PRESSURE SWITCH SINGLE PORT 0.15\" WC \/ 773-028","offer_id":49018426720541,"sku":null,"price":206.54,"currency_code":"CAD","in_stock":true},{"title":"PRESSURE SWITCH SINGLE PORT 0.15\" WC \/ 024-35979-000","offer_id":49018426818845,"sku":null,"price":206.54,"currency_code":"CAD","in_stock":true},{"title":"PRESSURE SWITCH SINGLE PORT 0.15\" WC \/ 02435979000","offer_id":49018426753309,"sku":null,"price":206.54,"currency_code":"CAD","in_stock":true},{"title":"PRESSURE SWITCH SINGLE PORT 0.15\" WC \/ S1-024-35979-000","offer_id":49018426786077,"sku":null,"price":206.54,"currency_code":"CAD","in_stock":true},{"title":"PRESSURE SWITCH SINGLE PORT 0.15\" WC \/ S1-02435979000","offer_id":49018426851613,"sku":null,"price":206.54,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/20181bc876484356a7b1be31e3ec7383.webp?v=1773966599"},{"product_id":"773-031","title":"773-031","description":"This Lennox 2-stage air pressure switch is a vital safety component engineered for high-efficiency gas furnaces. As a dual-stage air-proving switch, it serves as a vacuum-sensing device that monitors the draft created by the inducer motor, ensuring combustion gases are safely vented before the ignition cycle starts. This specific model features two distinct pressure thresholds (-0.50\" WC and -0.90\" WC) to accommodate both low-fire and high-fire operation modes in multi-stage heating systems. If your furnace is cycling incorrectly, failing to ignite, or displaying pressure switch lockout error codes, this replacement switch restores reliable performance and ensures the appliance operates within safe manufacturer specifications. Built for precision and durability, it helps prevent the accumulation of hazardous flue gases by verifying proper airflow throughout the heating process.\u003cbr\u003e\nType: Air Pressure Switch\u003cbr\u003e\nSize: Standard HVAC Control Component\u003cbr\u003e\nApplication: Used in residential two-stage high-efficiency gas furnaces to monitor inducer fan performance and ensure safe venting of combustion byproducts.\u003cbr\u003e\nSpecifications: Switch Type: Dual-Stage (2-STG); Low-Stage Pressure Rating: -0.50\" WC; High-Stage Pressure Rating: -0.90\" WC; Sensing Type: Air Proving\/Vacuum.","brand":"BCFurnace","offers":[{"title":"LENNOX PRESSURE SWITCH 2-STG -0.50\" WC \/ -0.90\" WC \/ 773-031","offer_id":47251067568413,"sku":null,"price":154.03,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 2-STG -0.50\" WC \/ -0.90\" WC \/ 103271-03","offer_id":47251067732253,"sku":null,"price":154.03,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 2-STG -0.50\" WC \/ -0.90\" WC \/ 103613-03","offer_id":47251067633949,"sku":null,"price":154.03,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 2-STG -0.50\" WC \/ -0.90\" WC \/ 104549-03","offer_id":47251067699485,"sku":null,"price":154.03,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 2-STG -0.50\" WC \/ -0.90\" WC \/ 14A45","offer_id":47251067666717,"sku":null,"price":154.03,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 2-STG -0.50\" WC \/ -0.90\" WC \/ 84W64","offer_id":47251067765021,"sku":null,"price":154.03,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 2-STG -0.50\" WC \/ -0.90\" WC \/ 93W79","offer_id":47251067601181,"sku":null,"price":154.03,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/c3cb9fc7e9b34e1d9d0e20941e33cacc.webp?v=1773957472"},{"product_id":"773-030","title":"773-030","description":"This premium 2-stage air pressure switch is a critical safety component designed for high-efficiency Lennox gas furnaces and HVAC systems. As an essential air-proving switch, it monitors the negative pressure generated by the draft inducer motor to ensure that combustion gases are being safely and effectively vented out of the heat exchanger. By detecting specific vacuum thresholds—calibrated to -0.85\" WC and -0.50\" WC—this dual-stage sensor ensures the heating system only proceeds with ignition when proper airflow is confirmed. This part is a common solution for furnaces experiencing ignition failure, short cycling, or error codes related to pressure differentials. Built for durability and precise response, it maintains the safety and efficiency of residential heating equipment during both low and high-heat cycles.\u003cbr\u003e\nType: Air Pressure Switch\u003cbr\u003e\nSize: Small\u003cbr\u003e\nApplication: Used in dual-stage residential gas furnaces and heating units to verify proper venting and inducer motor operation.\u003cbr\u003e\nSpecifications: Dual-stage configuration; Low-stage setpoint: -0.50\" WC; High-stage setpoint: -0.85\" WC; vacuum-actuated safety sensor.","brand":"BCFurnace","offers":[{"title":"LENNOX PRESSURE SWITCH 2-STG -0.85\" WC \/ -0.50\" WC \/ 773-030","offer_id":47251068715293,"sku":null,"price":139.33,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 2-STG -0.85\" WC \/ -0.50\" WC \/ 103271-06","offer_id":47251068911901,"sku":null,"price":139.33,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 2-STG -0.85\" WC \/ -0.50\" WC \/ 103613-06","offer_id":47251068780829,"sku":null,"price":139.33,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 2-STG -0.85\" WC \/ -0.50\" WC \/ 104549-06","offer_id":47251068846365,"sku":null,"price":139.33,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 2-STG -0.85\" WC \/ -0.50\" WC \/ 10454906","offer_id":47251068944669,"sku":null,"price":139.33,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 2-STG -0.85\" WC \/ -0.50\" WC \/ 14A48","offer_id":47251068813597,"sku":null,"price":139.33,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 2-STG -0.85\" WC \/ -0.50\" WC \/ 84W67","offer_id":47251068879133,"sku":null,"price":139.33,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 2-STG -0.85\" WC \/ -0.50\" WC \/ 93W82","offer_id":47251068748061,"sku":null,"price":139.33,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 2-STG -0.85\" WC \/ -0.50\" WC \/ P104549-06","offer_id":47251068977437,"sku":null,"price":139.33,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/39a157fbd3ae487c8500d5e7d9f97a6a.webp?v=1773957467"},{"product_id":"773-033","title":"773-033","description":"This premium dual-stage air pressure switch is a vital safety component for high-efficiency two-stage gas furnaces. Acting as a combustion air-proving sensor, it monitors the vacuum pressure created by the inducer motor to ensure flue gases are properly venting before allowing the ignition sequence to begin. It features dual setpoints specifically calibrated for low-fire and high-fire cycles, ensuring your HVAC system operates at peak safety and efficiency. Ideal for resolving common heating issues like ignition failure or pressure switch lockout codes, this replacement part provides reliable performance for multi-stage residential heating units.\u003cbr\u003e\nType: Air Pressure Switch\u003cbr\u003e\nSize: Standard\u003cbr\u003e\nApplication: Specifically designed for use in two-stage gas furnaces and residential HVAC heating systems to monitor venting and combustion air flow.\u003cbr\u003e\nSpecifications: Dual-stage configuration; Low-stage setpoint: 0.70\" WC; High-stage setpoint: 1.05\" WC; differential pressure sensing; ensures proper inducer motor draft for safe ignition.","brand":"BCFurnace","offers":[{"title":"LENNOX PRESSURE SWITCH 2-STG 0.70\" WC \/ 1.05\" WC \/ 773-033","offer_id":47251069042973,"sku":null,"price":163.83,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 2-STG 0.70\" WC \/ 1.05\" WC \/ 101021-04","offer_id":47251069108509,"sku":null,"price":163.83,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 2-STG 0.70\" WC \/ 1.05\" WC \/ 24W49","offer_id":47251069075741,"sku":null,"price":163.83,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/8e6a1bf43074485f9185b16575085dee.webp?v=1773957456"},{"product_id":"773-034","title":"773-034","description":"The Lennox Pressure Switch 0.8\" WC is a vital safety component engineered for residential gas furnaces and high-efficiency HVAC systems. Functioning as an air-proving switch, it monitors the draft pressure created by the inducer blower motor to ensure combustion gases are being properly vented. If the system detects insufficient airflow or a blocked vent, this vacuum-actuated switch prevents the furnace from igniting, protecting your home from potential hazards. Calibrated to a precise 0.8-inch water column set point, this replacement pressure switch is essential for troubleshooting furnace ignition failures, pressure switch stuck open errors, and intermittent heating issues. It is a reliable solution for maintaining the safety and efficiency of your heating equipment.\u003cbr\u003e\nType: Air Pressure Switch\u003cbr\u003e\nSize: Compact\u003cbr\u003e\nApplication: Used in residential gas furnaces and HVAC units to monitor inducer motor draft and ensure safe flue gas ventilation.\u003cbr\u003e\nSpecifications: Pressure Setting: 0.8\" WC (Water Column); Type: Air Proving\/Vacuum Switch; Application: Furnace Safety Control","brand":"BCFurnace","offers":[{"title":"LENNOX PRESSURE SWITCH 0.8\" WC \/ 773-034","offer_id":47251069272349,"sku":null,"price":289.54,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 0.8\" WC \/ 60L03","offer_id":47251069305117,"sku":null,"price":289.54,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 0.8\" WC \/ 60L0301","offer_id":47251069337885,"sku":null,"price":289.54,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/8f0ac5f1dcab4aed914cc9ad6b4cb425.webp?v=1773957460"},{"product_id":"773-035","title":"773-035","description":"This premium air pressure switch is a vital safety component for gas furnaces and high-efficiency heating systems. Designed to monitor the airflow within the draft inducer housing, this air proving switch ensures that the combustion blower is operating at the correct velocity before allowing the ignition process to begin. Rated for a 1.0\" WC (Water Column) set point and calibrated for elevations from sea level up to 4,500 feet, it helps prevent the furnace from operating under unsafe venting conditions. If your heating system is failing to ignite or experiencing intermittent shut-offs, this replacement pressure switch provides the reliable performance needed to restore safe and efficient operation to your HVAC equipment.\u003cbr\u003e\nType: Air Pressure Switch\u003cbr\u003e\nSize: Standard\u003cbr\u003e\nApplication: Gas-fired forced air furnaces, high-efficiency residential heating systems, and draft inducer motor assemblies.\u003cbr\u003e\nSpecifications: 1.0\" WC (Water Column) pressure rating, calibrated for altitudes between 0 and 4500 feet, air proving safety function.","brand":"BCFurnace","offers":[{"title":"LENNOX PRESSURE SWITCH 1.0\" WC (0-4500') \/ 773-035","offer_id":47251069370653,"sku":null,"price":83.2,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 1.0\" WC (0-4500') \/ 104371-10","offer_id":47251069436189,"sku":null,"price":83.2,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 1.0\" WC (0-4500') \/ 17U20","offer_id":47251069403421,"sku":null,"price":83.2,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/33e66307c4aa4e74bf938c5f95ca302e.webp?v=1773957462"},{"product_id":"773-036","title":"773-036","description":"This premium two-stage air pressure switch is a vital safety component for high-efficiency gas furnaces. Engineered to monitor the draft created by the inducer blower motor, this air proving switch ensures that combustion gases are being safely and effectively vented out of the heat exchanger before allowing the furnace to ignite. Specifically designed for two-stage heating systems, it features dual set points to handle varying airflow requirements between low-fire and high-fire operation. If your HVAC system is experiencing ignition failure or pressure switch lockout codes, this replacement pressure switch provides the reliable sensing needed to restore peak performance and ensure the safe operation of your home heating equipment.\u003cbr\u003e\nType: Air Pressure Switch\u003cbr\u003e\nSize: Compact\u003cbr\u003e\nApplication: Used in residential and light commercial two-stage gas furnaces to verify proper venting pressure and draft inducer operation during the heating cycle.\u003cbr\u003e\nSpecifications: Two-stage sensing; Low stage set point: -0.30\" WC; High stage set point: -0.68\" WC; Diaphragm-actuated safety mechanism.","brand":"BCFurnace","offers":[{"title":"LENNOX PRESSURE SWITCH 2-STG -0.30\" WC \/ -0.68\" WC \/ 773-036","offer_id":47251069468957,"sku":null,"price":147.88,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 2-STG -0.30\" WC \/ -0.68\" WC \/ 102737-05","offer_id":47251069534493,"sku":null,"price":147.88,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 2-STG -0.30\" WC \/ -0.68\" WC \/ 69W57","offer_id":47251069501725,"sku":null,"price":147.88,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/6620aae874f64b4e8651329b018b4c3c.webp?v=1773957447"},{"product_id":"773-038","title":"773-038","description":"Ensure your heating system operates safely and efficiently with this high-quality 2-stage air pressure switch. Specifically engineered for dual-stage gas furnaces, this air-proving switch acts as a critical safety component by monitoring the negative pressure generated by the inducer fan motor. It ensures that the furnace has proper venting and combustion airflow before allowing the ignition process to begin. With calibrated set points of -0.60\" WC and -0.35\" WC, this switch helps maintain peak performance in multi-stage HVAC systems. This is an essential replacement part for resolving common furnace issues such as ignition failure, venting errors, or pressure switch lockout codes.\u003cbr\u003e\nType: Air Pressure Switch\u003cbr\u003e\nSize: Small\u003cbr\u003e\nApplication: High-efficiency two-stage gas furnaces and HVAC heating systems.\u003cbr\u003e\nSpecifications: Dual-stage operation; Low-stage set point: -0.35\" WC; High-stage set point: -0.60\" WC; Type: Air Proving\/Safety Switch.","brand":"BCFurnace","offers":[{"title":"LENNOX PRESSURE SWITCH 2-STG -0.60\" WC \/ -0.35\" WC \/ 773-038","offer_id":47251070058781,"sku":null,"price":172.47,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 2-STG -0.60\" WC \/ -0.35\" WC \/ 103271-02","offer_id":47251070157085,"sku":null,"price":172.47,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 2-STG -0.60\" WC \/ -0.35\" WC \/ 103613-02","offer_id":47251070189853,"sku":null,"price":172.47,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 2-STG -0.60\" WC \/ -0.35\" WC \/ 104549-02","offer_id":47251070124317,"sku":null,"price":172.47,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 2-STG -0.60\" WC \/ -0.35\" WC \/ 14A44","offer_id":47251070091549,"sku":null,"price":172.47,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 2-STG -0.60\" WC \/ -0.35\" WC \/ 84W06","offer_id":47251070222621,"sku":null,"price":172.47,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 2-STG -0.60\" WC \/ -0.35\" WC \/ 93W78","offer_id":47251070255389,"sku":null,"price":172.47,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/113b44426bf441199d050345fbcf91a3.webp?v=1773967116"},{"product_id":"773-040","title":"773-040","description":"Ensure the safe and efficient operation of your heating system with this premium dual-stage air pressure switch. Designed as a critical safety mechanism for high-efficiency gas furnaces, this air proving switch monitors the airflow and pressure created by the draft inducer motor. It confirms that the system is venting exhaust gases correctly before allowing the furnace to ignite, preventing hazardous conditions. This specific component is engineered for two-stage heating units, featuring precisely calibrated set points of 0.15\" WC and 0.83\" WC to manage varying blower speeds. If your furnace is experiencing ignition failure, error codes, or intermittent cycling, replacing a worn or faulty pressure switch can restore reliable performance and consistent home comfort.\u003cbr\u003e\nType: Air Pressure Switch\u003cbr\u003e\nSize: Small\u003cbr\u003e\nApplication: Commonly used in residential high-efficiency gas furnaces and dual-stage HVAC systems to monitor venting pressure and ensure safe combustion cycles.\u003cbr\u003e\nSpecifications: Dual-stage configuration; Low-stage set point: 0.15\" WC; High-stage set point: 0.83\" WC; Air proving functionality for draft inducer motors.","brand":"BCFurnace","offers":[{"title":"LENNOX PRESSURE SWITCH 2-STG 0.15\" WC \/ 0.83\" WC \/ 773-040","offer_id":47251071009053,"sku":null,"price":304.9,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 2-STG 0.15\" WC \/ 0.83\" WC \/ 101599-01","offer_id":47251071074589,"sku":null,"price":304.9,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 2-STG 0.15\" WC \/ 0.83\" WC \/ 33W17","offer_id":47251071041821,"sku":null,"price":304.9,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/b665ddb1e3e348ba8038557eb91a3873.webp?v=1773957464"},{"product_id":"773-041","title":"773-041","description":"The Lennox Calibration Pressure Switch is an essential safety component designed for high-efficiency gas furnaces and HVAC systems. This air proving switch is engineered to monitor the pressure within the combustion chamber, ensuring that the draft inducer motor is moving sufficient air to safely exhaust combustion gases. Calibrated to a precise 0.27\" WC (Water Column) set point, this sensor acts as a critical fail-safe that prevents the heating cycle from continuing if improper venting or a blockage is detected. If your furnace is experiencing ignition failure or shut-offs due to pressure faults, this genuine calibration switch is a vital replacement part to restore reliable heating and maintain safe indoor air quality.\u003cbr\u003e\nType: Air Pressure Switch\u003cbr\u003e\nSize: Small\u003cbr\u003e\nApplication: Gas furnaces, residential HVAC heating systems, and draft inducer motor assemblies.\u003cbr\u003e\nSpecifications: Pressure Setting: 0.27\" WC (Water Column); Function: Air Proving and Combustion Safety; Component Type: Calibration Switch.","brand":"BCFurnace","offers":[{"title":"LENNOX CALIBRATION PRESSURE SWITCH 0.27\" WC \/ 773-041","offer_id":47251073892637,"sku":null,"price":1338.04,"currency_code":"CAD","in_stock":true},{"title":"LENNOX CALIBRATION PRESSURE SWITCH 0.27\" WC \/ 101572-02","offer_id":47251073958173,"sku":null,"price":1338.04,"currency_code":"CAD","in_stock":true},{"title":"LENNOX CALIBRATION PRESSURE SWITCH 0.27\" WC \/ 101573-02","offer_id":47251074023709,"sku":null,"price":1338.04,"currency_code":"CAD","in_stock":true},{"title":"LENNOX CALIBRATION PRESSURE SWITCH 0.27\" WC \/ 33W15","offer_id":47251073925405,"sku":null,"price":1338.04,"currency_code":"CAD","in_stock":true},{"title":"LENNOX CALIBRATION PRESSURE SWITCH 0.27\" WC \/ 78W58","offer_id":47251073990941,"sku":null,"price":1338.04,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/e02496b111ad41958e82a29fc7fd8bbd.webp?v=1773967117"},{"product_id":"773-043","title":"773-043","description":"This premium 2-stage air pressure switch is a critical safety component designed for high-efficiency gas furnaces and residential heating systems. As an essential air proving switch, it monitors the negative pressure generated by the draft inducer motor to ensure proper venting of combustion gases before and during the ignition cycle. Featuring dual setpoints at 0.20\" WC and 0.45\" WC, this component is specifically engineered for two-stage heating units, allowing for precise airflow verification during both low-fire and high-fire operations. If your furnace is failing to ignite or experiencing intermittent shut-offs, this reliable replacement pressure switch restores safe, efficient performance by ensuring the system only operates when optimal venting is detected.\u003cbr\u003e\nType: Air Pressure Switch\u003cbr\u003e\nSize: Standard HVAC Component\u003cbr\u003e\nApplication: Used in residential two-stage gas furnaces and HVAC equipment to monitor inducer blower pressure and prove airflow for safe combustion.\u003cbr\u003e\nSpecifications: Dual-stage operation; Setpoints: 0.20\" WC and 0.45\" WC (Water Column); Air proving safety functionality.","brand":"BCFurnace","offers":[{"title":"PRESSURE SWITCH 2-STG 0.20\" WC \/ 0.45\" WC \/ 773-043","offer_id":47251079168285,"sku":null,"price":289.54,"currency_code":"CAD","in_stock":true},{"title":"PRESSURE SWITCH 2-STG 0.20\" WC \/ 0.45\" WC \/ 18M63","offer_id":47251079201053,"sku":null,"price":289.54,"currency_code":"CAD","in_stock":true},{"title":"PRESSURE SWITCH 2-STG 0.20\" WC \/ 0.45\" WC \/ BA20118\/B","offer_id":47251079233821,"sku":null,"price":289.54,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/d059e6a888974e2dbe23110778ffea38.webp?v=1773957527"},{"product_id":"773-042","title":"773-042","description":"This premium 2-stage air pressure switch is a critical safety component designed for high-efficiency gas furnaces and HVAC heating systems. Functioning as an air proving switch, it monitors the pressure differential created by the draft inducer motor to ensure that combustion gases are being safely exhausted before the ignition sequence begins. Featuring dual setpoints of 0.2\" WC and 0.5\" WC, this part prevents the heating system from operating under unsafe conditions, such as a blocked flue or a failing vent motor. If your furnace is failing to ignite or showing pressure-related error codes, this durable replacement switch ensures reliable performance, peak heating efficiency, and continued home safety.\u003cbr\u003e\nType: Air Pressure Switch\u003cbr\u003e\nSize: Standard\u003cbr\u003e\nApplication: Used in multi-stage gas furnaces, forced-air heating units, and residential HVAC systems to prove inducer motor airflow.\u003cbr\u003e\nSpecifications: Two-stage (2-STG) operation; Actuation points: 0.2\" WC and 0.5\" WC; Air proving safety functionality.","brand":"BCFurnace","offers":[{"title":"PRESSURE SWITCH 2-STG 0.2\" WC \/ 0.5\" WC \/ 773-042","offer_id":47251080544541,"sku":null,"price":139.75,"currency_code":"CAD","in_stock":true},{"title":"PRESSURE SWITCH 2-STG 0.2\" WC \/ 0.5\" WC \/ 18M62","offer_id":47251080577309,"sku":null,"price":139.75,"currency_code":"CAD","in_stock":true},{"title":"PRESSURE SWITCH 2-STG 0.2\" WC \/ 0.5\" WC \/ 18M6201","offer_id":47251080642845,"sku":null,"price":139.75,"currency_code":"CAD","in_stock":true},{"title":"PRESSURE SWITCH 2-STG 0.2\" WC \/ 0.5\" WC \/ BA20114","offer_id":47251080675613,"sku":null,"price":139.75,"currency_code":"CAD","in_stock":true},{"title":"PRESSURE SWITCH 2-STG 0.2\" WC \/ 0.5\" WC \/ BA20114\/B","offer_id":47251080610077,"sku":null,"price":139.75,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/2a56b49a45614c13aa25d43063da3149.webp?v=1773957485"},{"product_id":"773-301","title":"773-301","description":"This Goodman Pressure Switch is a critical safety component designed for residential gas furnaces and HVAC systems. As an air-proving switch, its primary function is to monitor the negative pressure generated by the draft inducer motor, ensuring the venting system is clear and functional before allowing the furnace to ignite. Rated at -0.10\" WC (Water Column), this vacuum-actuated switch prevents the heating cycle from proceeding if it detects inadequate airflow, protecting your home from potential safety hazards like flue gas backup. It is a vital replacement part for homeowners or technicians troubleshooting furnace ignition failures, pressure switch lockout codes, or intermittent heating issues.\u003cbr\u003e\nType: Air Pressure Switch\u003cbr\u003e\nSize: Small\u003cbr\u003e\nApplication: Used in residential gas furnaces and HVAC heating equipment to verify proper draft inducer operation and flue venting.\u003cbr\u003e\nSpecifications: Pressure Rating: -0.10\" WC (Water Column); Function: Air Proving \/ Safety Interlock; Actuation: Vacuum-based","brand":"BCFurnace","offers":[{"title":"GOODMAN PRESSURE SWITCH -0.10\" WC \/ 773-301","offer_id":47251080839453,"sku":null,"price":51.77,"currency_code":"CAD","in_stock":true},{"title":"GOODMAN PRESSURE SWITCH -0.10\" WC \/ 0130F00481","offer_id":47251080872221,"sku":null,"price":51.77,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/1cc878c6836c442eb59831bd5dc96874.webp?v=1773957540"},{"product_id":"773-053","title":"773-053","description":"This premium air pressure switch is a critical safety component designed for residential gas furnaces and HVAC heating systems. Calibrated to a 0.17\" WC (water column) set point, this air proving switch monitors the draft created by the inducer motor to ensure proper venting of exhaust gases. It acts as a fail-safe, preventing the burner from igniting if it detects insufficient airflow or a blockage in the flue. Ideal for furnace repair and routine maintenance, this sensor helps resolve common heating issues such as failure to ignite, intermittent cycling, or pressure switch lockout codes. Built for reliability and precision, it ensures your heating equipment operates safely and efficiently.\u003cbr\u003e\nType: Air Pressure Switch\u003cbr\u003e\nSize: Small\u003cbr\u003e\nApplication: Commonly used in residential gas furnaces and HVAC units to prove airflow from the inducer blower before allowing ignition.\u003cbr\u003e\nSpecifications: 0.17\" WC set point, air proving safety sensor, diaphragm-actuated mechanism","brand":"BCFurnace","offers":[{"title":"PRESSURE SWITCH 0.17\" WC \/ 773-053","offer_id":47251087917341,"sku":null,"price":141.72,"currency_code":"CAD","in_stock":true},{"title":"PRESSURE SWITCH 0.17\" WC \/ 306621-752","offer_id":47251087950109,"sku":null,"price":141.72,"currency_code":"CAD","in_stock":true},{"title":"PRESSURE SWITCH 0.17\" WC \/ HK06WC070","offer_id":47251087982877,"sku":null,"price":141.72,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/cf4fd86392c146faa159fd12d0bba414.webp?v=1773957544"},{"product_id":"773-302","title":"773-302","description":"This premium dual-stage air pressure switch is an essential safety component for high-efficiency HVAC heating systems. Designed to function as an air proving sensor, it monitors the vacuum pressure generated by the draft inducer motor to ensure combustion gases are safely vented before the ignition process begins. Featuring two distinct set points, this switch is specifically engineered for two-stage furnaces, providing precise monitoring for both low-fire and high-fire operations. If your heating system is experiencing ignition failure, frequent cycling, or error codes related to airflow, replacing the pressure switch can restore reliable performance and ensure the safe operation of your furnace.\u003cbr\u003e\nType: Air Pressure Switch\u003cbr\u003e\nSize: Standard HVAC component\u003cbr\u003e\nApplication: Used in high-efficiency two-stage gas furnaces and residential HVAC heating systems to monitor venting pressure and ensure safe combustion.\u003cbr\u003e\nSpecifications: Two-stage operation; Dual set points: -0.08\" WC (Water Column) and -1.49\" WC; Air proving functionality for draft inducer motor verification.","brand":"BCFurnace","offers":[{"title":"GOODMAN PRESSURE SWITCH 2-STG -0.08\" WC \/ -1.49\" WC \/ 773-302","offer_id":47251090538781,"sku":null,"price":68.86,"currency_code":"CAD","in_stock":true},{"title":"GOODMAN PRESSURE SWITCH 2-STG -0.08\" WC \/ -1.49\" WC \/ 0130F00484","offer_id":47251090571549,"sku":null,"price":68.86,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/a3fb88f03a3d4af38b78060b9ec1fa82.webp?v=1773959927"},{"product_id":"773-004","title":"773-004","description":"Ensure your heating system operates safely and efficiently with this high-quality air pressure switch, designed for use with Carrier, Bryant, and Payne furnaces. This critical safety component, also referred to as an air proving switch, monitors the draft created by the inducer motor to confirm that exhaust gases are being properly vented before the ignition process begins. With a precise 0.27\" WC (Water Column) set point, it detects blockages or mechanical failures in the venting system, preventing the furnace from firing under unsafe conditions. Ideal for troubleshooting furnace ignition failures or error codes related to air pressure, this durable switch provides a reliable solution for maintaining optimal HVAC performance and home safety.\u003cbr\u003e\nType: Air Pressure Switch\u003cbr\u003e\nSize: Small\u003cbr\u003e\nApplication: Designed for residential gas furnaces and HVAC units to verify proper venting and inducer motor operation during the heating cycle.\u003cbr\u003e\nSpecifications: Pressure Rating: 0.27 inches Water Column (WC); Function: Air Proving\/Safety Interlock; Compatibility: Residential heating systems.","brand":"BCFurnace","offers":[{"title":"CARRIER, BRYANT, PAYNE PRESSURE SWITCH 0.27\" WC \/ 773-004","offer_id":47251090604317,"sku":null,"price":200.79,"currency_code":"CAD","in_stock":true},{"title":"CARRIER, BRYANT, PAYNE PRESSURE SWITCH 0.27\" WC \/ 1176957","offer_id":47251090669853,"sku":null,"price":200.79,"currency_code":"CAD","in_stock":true},{"title":"CARRIER, BRYANT, PAYNE PRESSURE SWITCH 0.27\" WC \/ 313840370","offer_id":47251090702621,"sku":null,"price":200.79,"currency_code":"CAD","in_stock":true},{"title":"CARRIER, BRYANT, PAYNE PRESSURE SWITCH 0.27\" WC \/ HK06WC069","offer_id":47251090637085,"sku":null,"price":200.79,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/12813aecf66c491abccbd617310728a6.webp?v=1773957598"},{"product_id":"773-052","title":"773-052","description":"This high-performance furnace pressure switch is a critical safety component designed for residential heating systems and HVAC units. Functioning as an air proving switch, it monitors the pressure generated by the inducer motor to ensure the venting system is clear and the exhaust fan is operating at the correct speed before allowing the ignition process to begin. By verifying proper airflow, this switch prevents the furnace from running under unsafe conditions, such as a blocked vent or a failing blower. Engineered for precision and long-term reliability, this replacement part is ideal for fixing common furnace startup failures, pressure switch lockout errors, and heating system malfunctions. It is a vital component for maintaining the safety and efficiency of your forced-air gas furnace.\u003cbr\u003e\nType: Air Pressure Switch\u003cbr\u003e\nSize: Standard HVAC internal component\u003cbr\u003e\nApplication: Commonly used in residential gas furnaces and heating systems to monitor combustion air pressure and ensure safe exhaust venting.\u003cbr\u003e\nSpecifications: Diaphragm-actuated safety switch; calibrated for precise air pressure sensing; essential for ignition sequence verification.","brand":"BCFurnace","offers":[{"title":"CARRIER PRESSURE SWITCH \/ 773-052","offer_id":47251090800925,"sku":null,"price":361.07,"currency_code":"CAD","in_stock":true},{"title":"CARRIER PRESSURE SWITCH \/ HK06WC012","offer_id":47251090833693,"sku":null,"price":361.07,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/a718a1b2bc494c97906ae4e7e5e38021.webp?v=1773957551"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/collections\/773-135-removebg-preview_hI5uGx9.png?v=1701983766","url":"https:\/\/bcfurnace.myshopify.com\/collections\/air-pressure-switch-air-proving.oembed?page=2","provider":"BCFurnace","version":"1.0","type":"link"}