{"title":"7 High Limit Control Switches","description":"","products":[{"product_id":"547-160","title":"547-160","description":"Ensure the safety and efficiency of your heating system with this 7-inch high limit control switch. Designed as a vital thermal safety mechanism for furnaces and HVAC units, this switch monitors air temperature to prevent equipment overheating. It features a precise thermal response that opens the circuit when temperatures reach a specific high-limit threshold and automatically resets once the system cools to a safe operating level. This replacement thermal limit switch is essential for protecting your appliance's heat exchanger and internal components from heat-related damage, ensuring reliable performance during peak heating seasons.\u003cbr\u003e\nType: High Limit Control Switch\u003cbr\u003e\nSize: 7-inch probe depth\u003cbr\u003e\nDimensions: 7 inches\u003cbr\u003e\nApplication: Commonly used in forced-air furnaces, residential heating systems, and commercial HVAC equipment to monitor and limit internal operating temperatures for safety.\u003cbr\u003e\nSpecifications: Thermal limit settings: Opens at 160°F and closes at 130°F (30°F differential). Features a 7-inch insertion probe for accurate temperature sensing within the air plenum or heat exchanger.","brand":"BCFurnace","offers":[{"title":"7\" HIGH LIMIT SWITCH L160-30F \/ 547-160","offer_id":47250967003421,"sku":null,"price":68.83,"currency_code":"CAD","in_stock":true},{"title":"7\" HIGH LIMIT SWITCH L160-30F \/ 73K12","offer_id":47250967036189,"sku":null,"price":68.83,"currency_code":"CAD","in_stock":true},{"title":"7\" HIGH LIMIT SWITCH L160-30F \/ 73K1201","offer_id":47250967068957,"sku":null,"price":68.83,"currency_code":"CAD","in_stock":true},{"title":"7\" HIGH LIMIT SWITCH L160-30F \/ L160-30F...","offer_id":47250967101725,"sku":null,"price":68.83,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/78f230bc2ff8488aa675bee525ed6402.webp?v=1773957004"},{"product_id":"547-175","title":"547-175","description":"Ensure your furnace operates safely and efficiently with this premium 7-inch high limit switch. Designed as a critical safety component for residential heating systems, this limit control switch monitors the internal air temperature of your furnace or air handler. It is engineered to automatically interrupt the heating cycle if temperatures exceed the safe operating threshold of 175°F, preventing overheating and protecting your HVAC equipment from potential damage. This thermal cutout switch features a 30-degree differential, allowing the system to reset and resume operation once it has cooled to a safe level. This is an essential replacement part for malfunctioning or 'tripped' safety switches, helping to maintain consistent indoor comfort while providing a vital layer of protection for your home's heating system.\u003cbr\u003e\nType: High Limit Control Switch\u003cbr\u003e\nSize: 7-inch insertion depth\u003cbr\u003e\nDimensions: 7 inches\u003cbr\u003e\nApplication: Commonly used in gas furnaces, forced-air heating systems, and residential HVAC air handlers to prevent plenum overheating.\u003cbr\u003e\nSpecifications: Cut-out temperature: 175°F; Cut-in temperature: 145°F (30°F differential); Switch configuration: Normally Closed (NC); Mounting: Flange mount.","brand":"BCFurnace","offers":[{"title":"7\" HIGH LIMIT SWITCH L175-30F \/ 547-175","offer_id":47250967167261,"sku":null,"price":142.56,"currency_code":"CAD","in_stock":true},{"title":"7\" HIGH LIMIT SWITCH L175-30F \/ 27K16","offer_id":47250967200029,"sku":null,"price":142.56,"currency_code":"CAD","in_stock":true},{"title":"7\" HIGH LIMIT SWITCH L175-30F \/ 27K1601","offer_id":47250967232797,"sku":null,"price":142.56,"currency_code":"CAD","in_stock":true},{"title":"7\" HIGH LIMIT SWITCH L175-30F \/ L175-30F...","offer_id":47250967265565,"sku":null,"price":142.56,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/6f4e8a7b699641c2b76b3d9e73f037be.webp?v=1773957074"},{"product_id":"547-205","title":"547-205","description":"This 7-inch high limit control switch is a vital safety component designed for residential and commercial heating systems. Functioning as a high-temperature cutout, this thermal switch monitors the internal temperature of the heat exchanger. If the unit exceeds safe operating parameters, the switch opens the electrical circuit to shut down the burner or heating element, preventing equipment damage and ensuring home safety. Featuring a 205°F trip point and a 30°F reset differential, this snap-action sensor is an essential replacement part for furnaces or air handlers experiencing short-cycling or overheating issues caused by restricted airflow or blower failure. Its 7-inch insertion depth allows for precise temperature sensing in deeper furnace cabinets.\u003cbr\u003e\nType: High Limit Control Switch\u003cbr\u003e\nSize: 7-inch Insertion Depth\u003cbr\u003e\nDimensions: 7 inches (probe depth)\u003cbr\u003e\nApplication: Used primarily in forced-air furnaces, gas-fired heating systems, and air handlers to provide over-temperature protection and flame safety control.\u003cbr\u003e\nSpecifications: Cutout temperature: 205°F; Differential: 30°F (closes at 175°F); Switch configuration: Normally Closed (NC) - opens on temperature rise; Mounting style: Flange mount.","brand":"BCFurnace","offers":[{"title":"7\" HIGH LIMIT SWITCH L205-30F \/ 547-205","offer_id":47250968740125,"sku":null,"price":122.2,"currency_code":"CAD","in_stock":true},{"title":"7\" HIGH LIMIT SWITCH L205-30F \/ 48J72","offer_id":47250968772893,"sku":null,"price":122.2,"currency_code":"CAD","in_stock":true},{"title":"7\" HIGH LIMIT SWITCH L205-30F \/ 48J7201","offer_id":47250968805661,"sku":null,"price":122.2,"currency_code":"CAD","in_stock":true},{"title":"7\" HIGH LIMIT SWITCH L205-30F \/ L205-30F...","offer_id":47250968871197,"sku":null,"price":122.2,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/1cd8762f120142a69325fa8464d1fe36.webp?v=1773957075"},{"product_id":"547-280","title":"547-280","description":"Ensure the safety and efficiency of your heating system with this professional-grade 7-inch high limit control switch. Designed as a critical safety feature for residential and commercial furnaces, this thermal limit switch monitors heat exchanger temperatures to prevent overheating. When the internal temperature reaches its safety threshold, the switch automatically interrupts the heating cycle, protecting your HVAC equipment from damage and reducing fire risks. This component is essential for forced air systems and gas furnaces that require a reliable thermal cutout with a 7-inch insertion depth for accurate airflow temperature sensing.\u003cbr\u003e\nType: High Limit Control Switch\u003cbr\u003e\nSize: 7-inch probe length\u003cbr\u003e\nDimensions: 7 inches\u003cbr\u003e\nApplication: Used as a primary safety limit in gas furnaces, forced air heating systems, and HVAC units to monitor heat exchanger temperatures.\u003cbr\u003e\nSpecifications: Temperature Rating: Opens at 280°F (L280); Differential: 30°F (30F); Circuit: Normally Closed (NC) - opens on temperature rise.","brand":"BCFurnace","offers":[{"title":"7\" HIGH LIMIT SWITCH L280-30F \/ 547-280","offer_id":47250969461021,"sku":null,"price":134.33,"currency_code":"CAD","in_stock":true},{"title":"7\" HIGH LIMIT SWITCH L280-30F \/ 18K44","offer_id":47250969493789,"sku":null,"price":134.33,"currency_code":"CAD","in_stock":true},{"title":"7\" HIGH LIMIT SWITCH L280-30F \/ 18K4401","offer_id":47250969526557,"sku":null,"price":134.33,"currency_code":"CAD","in_stock":true},{"title":"7\" HIGH LIMIT SWITCH L280-30F \/ L280-30F","offer_id":47250969559325,"sku":null,"price":134.33,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/cfa6f1eeb03143e98e26f40f4a257126.webp?v=1773957076"},{"product_id":"547-126","title":"547-126","description":"The 7-inch High Limit Switch L150-30F is a vital safety component for residential gas furnaces and HVAC heating systems. Designed to monitor the internal temperature of the heat exchanger, this limit control switch acts as a failsafe by automatically interrupting the heating cycle if the unit reaches an unsafe temperature. Featuring a 7-inch probe for accurate air temperature sensing, this thermal switch ensures your heating system operates within safe parameters, preventing components from sustaining damage due to overheating. Common signs that a high limit switch needs replacement include the furnace blower fan running continuously or the heating system short-cycling. This durable, automatic-reset switch provides a reliable solution for maintaining optimal temperature regulation in central forced-air heating applications.\u003cbr\u003e\nType: High Limit Control Switch\u003cbr\u003e\nSize: 7-inch probe length\u003cbr\u003e\nDimensions: 7 inches (insertion depth)\u003cbr\u003e\nApplication: Residential gas furnaces, forced-air heating systems, and HVAC units requiring overheat protection and temperature regulation.\u003cbr\u003e\nSpecifications: Temperature Limit: Opens at 150°F; Differential: 30°F (Closes at 120°F); Reset Type: Automatic; Sensor Type: Insertion probe.","brand":"BCFurnace","offers":[{"title":"7\" HIGH LIMIT SWITCH L150-30F \/ 547-126","offer_id":47250996953373,"sku":null,"price":68.83,"currency_code":"CAD","in_stock":true},{"title":"7\" HIGH LIMIT SWITCH L150-30F \/ 1370906S","offer_id":47250996986141,"sku":null,"price":68.83,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/14376367922e4732815166e67f0e3820.webp?v=1773957171"},{"product_id":"547-500","title":"547-500","description":"This 7-inch adjustable fan switch is a high-performance control component designed for forced-air heating systems and HVAC units. Functioning as both a fan motor controller and a safety limit switch, it regulates the operation of the blower based on the air temperature within the furnace plenum. By precisely managing when the fan turns on and off, this switch helps maintain consistent indoor comfort while improving overall energy efficiency. The adjustable temperature settings allow for a tailored heating cycle, ensuring the blower only activates once the heat exchanger has reached the appropriate temperature and deactivates once it has sufficiently cooled. This part is essential for homeowners or technicians looking to repair furnace short-cycling issues or replace a faulty thermal limit control to ensure safe and reliable heater operation.\u003cbr\u003e\nType: HVAC Fan and Limit Control Switch\u003cbr\u003e\nSize: 7-inch probe length\u003cbr\u003e\nDimensions: 7 in\u003cbr\u003e\nApplication: Used in forced-air furnaces and residential or commercial heating systems to control blower fan cycles and provide high-limit safety protection.\u003cbr\u003e\nSpecifications: Adjustable temperature range: L80-L120°F; Adjustable differential: 20°F-50°F; Features a 7-inch insertion probe for accurate plenum temperature sensing.","brand":"BCFurnace","offers":[{"title":"7\" ADJUSTABLE FAN SWITCH L80-L120 DIFF 20F-50F \/ 547-500","offer_id":47251010191645,"sku":null,"price":86.85,"currency_code":"CAD","in_stock":true},{"title":"7\" ADJUSTABLE FAN SWITCH L80-L120 DIFF 20F-50F \/ JAH122","offer_id":47251010289949,"sku":null,"price":86.85,"currency_code":"CAD","in_stock":true},{"title":"7\" ADJUSTABLE FAN SWITCH L80-L120 DIFF 20F-50F \/ JAH163","offer_id":47251010322717,"sku":null,"price":86.85,"currency_code":"CAD","in_stock":true},{"title":"7\" ADJUSTABLE FAN SWITCH L80-L120 DIFF 20F-50F \/ JAH82","offer_id":47251010355485,"sku":null,"price":86.85,"currency_code":"CAD","in_stock":true},{"title":"7\" ADJUSTABLE FAN SWITCH L80-L120 DIFF 20F-50F \/ J\u0026S JAH82","offer_id":47251010257181,"sku":null,"price":86.85,"currency_code":"CAD","in_stock":true},{"title":"7\" ADJUSTABLE FAN SWITCH L80-L120 DIFF 20F-50F \/ L4068C 1109","offer_id":47251010388253,"sku":null,"price":86.85,"currency_code":"CAD","in_stock":true},{"title":"7\" ADJUSTABLE FAN SWITCH L80-L120 DIFF 20F-50F \/ L4068C1109","offer_id":47251010224413,"sku":null,"price":86.85,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/eb0be3f4c1cf4db6ab45063580c33e04.webp?v=1773957241"},{"product_id":"547-210","title":"547-210","description":"Ensure the safety and efficiency of your heating system with this professional-grade 7-inch high limit switch. Designed as a critical thermal safety control for furnaces and air handlers, this switch monitors the internal plenum temperature to prevent overheating. If temperatures exceed the safe operating limit, the switch automatically interrupts the circuit, protecting your HVAC equipment from damage and ensuring safe operation. This high-limit control features a 7-inch probe for accurate temperature sensing within the airflow and is an essential replacement part for heating systems experiencing frequent cycling or safety shutdowns. Ideal for both residential and light commercial HVAC maintenance, this durable sensor helps maintain optimal climate control and equipment longevity.\u003cbr\u003e\nType: High Limit Control Switch\u003cbr\u003e\nSize: 7-inch probe depth\u003cbr\u003e\nDimensions: 7 inches (insertion depth)\u003cbr\u003e\nApplication: Used in forced-air furnaces, electric heaters, and HVAC air handling units to provide over-temperature protection and safety cycling.\u003cbr\u003e\nSpecifications: Temperature Rating: Opens at 210°F; Differential: 30°F (Closes at 180°F); Operation: Normally Closed (Opens on temperature rise); Configuration: Automatic reset.","brand":"BCFurnace","offers":[{"title":"7\" HIGH LIMIT SWITCH L210-30F \/ 547-210","offer_id":47251071500573,"sku":null,"price":68.83,"currency_code":"CAD","in_stock":true},{"title":"7\" HIGH LIMIT SWITCH L210-30F \/ 39L06","offer_id":47251071533341,"sku":null,"price":68.83,"currency_code":"CAD","in_stock":true},{"title":"7\" HIGH LIMIT SWITCH L210-30F \/ 39L0601","offer_id":47251071566109,"sku":null,"price":68.83,"currency_code":"CAD","in_stock":true},{"title":"7\" HIGH LIMIT SWITCH L210-30F \/ L210-30F.","offer_id":47251071598877,"sku":null,"price":68.83,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/a124168883df479eabc41c8914769e29.webp?v=1773957422"},{"product_id":"547-127","title":"547-127","description":"This premium 7-inch High Limit Control Switch is a vital safety component for residential gas furnaces and HVAC heating systems. Designed to monitor the internal temperature of the heat exchanger, this L160-30F switch prevents dangerous overheating by automatically breaking the electrical circuit when the air temperature reaches 160 degrees Fahrenheit. Once the system cools down to 130 degrees Fahrenheit, the switch resets to allow for normal operation. Featuring a 7-inch insertion probe, this limit control is essential for protecting your heating equipment from damage and ensuring the safety of your home's forced air system. It is a common replacement part for furnaces where the blower runs constantly or the burner fails to ignite due to a tripped safety sensor.\u003cbr\u003e\nType: High Limit Control Switch\u003cbr\u003e\nSize: 7-inch probe length\u003cbr\u003e\nDimensions: 7 inches\u003cbr\u003e\nApplication: Used as a primary safety limit in gas-fired furnaces, air handlers, and HVAC heating units to prevent heat exchanger overheating.\u003cbr\u003e\nSpecifications: Cut-out Temperature: 160°F (Opens); Cut-in Temperature: 130°F (Closes); Differential: 30°F; Probe Length: 7 inches; Type: L160-30F.","brand":"BCFurnace","offers":[{"title":"7\" HIGH LIMIT SWITCH L160-30F \/ 547-127","offer_id":47251072450845,"sku":null,"price":71.16,"currency_code":"CAD","in_stock":true},{"title":"7\" HIGH LIMIT SWITCH L160-30F \/ 1370908S","offer_id":47251072483613,"sku":null,"price":71.16,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/f69f8dace58a4c63a696709ab7e306bd.webp?v=1773957421"},{"product_id":"547-120","title":"547-120","description":"Ensure your heating system operates safely and efficiently with this premium 7-inch high limit control switch. Designed as a critical safety component for residential and commercial HVAC units, this thermal cutout switch monitors internal temperatures to prevent dangerous overheating. If the heat exchanger or plenum temperature exceeds the safety threshold, this switch automatically interrupts the heating circuit, protecting your equipment from structural damage and ensuring safe operation. Featuring a standard 120-degree Fahrenheit cutout and a 30-degree differential, it provides reliable performance for furnaces experiencing cycling issues or thermal failures. This part is a vital replacement for maintaining the longevity and safety of your forced-air heating system.\u003cbr\u003e\nType: High Limit Control Switch\u003cbr\u003e\nSize: 7-inch probe\u003cbr\u003e\nDimensions: 7 in\u003cbr\u003e\nApplication: Forced-air furnaces, central heating systems, and HVAC units requiring high-temperature safety monitoring and thermal protection.\u003cbr\u003e\nSpecifications: Limit Setting: Opens at 120°F; Differential: 30°F (Closes at 90°F); Insertion Depth: 7 inches; Type: Automatic Reset.","brand":"BCFurnace","offers":[{"title":"7\" HIGH LIMIT SWITCH L120-30F \/ 547-120","offer_id":47251217875229,"sku":null,"price":68.83,"currency_code":"CAD","in_stock":true},{"title":"7\" HIGH LIMIT SWITCH L120-30F \/ L120-30F","offer_id":47251217940765,"sku":null,"price":68.83,"currency_code":"CAD","in_stock":true},{"title":"7\" HIGH LIMIT SWITCH L120-30F \/ SWT01935","offer_id":47251217907997,"sku":null,"price":68.83,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/d4f077c41a5645e6ad3ad46f08428321.webp?v=1773957861"},{"product_id":"547-502","title":"547-502","description":"The 7-inch Camstat Fixed Limit Switch L180 is a vital safety component for HVAC systems and furnace units. Designed to provide reliable thermal protection, this high-limit control switch monitors internal temperatures to prevent overheating. When the system reaches the factory-set 180-degree limit, the switch automatically breaks the circuit to the heating element or burner, safeguarding your equipment and home from potential thermal damage. This replacement limit sensor is essential for maintaining the efficiency and safety of forced-air heating systems, ensuring your furnace operates within its designated temperature range. It is a common replacement part for HVAC technicians and homeowners looking to resolve furnace cycling issues or safety shutdowns.\u003cbr\u003e\nType: High Limit Control Switch\u003cbr\u003e\nSize: 7-inch\u003cbr\u003e\nDimensions: 7 in\u003cbr\u003e\nApplication: Commonly used in residential and commercial furnaces, air handlers, and forced-air heating systems as a primary safety limit control.\u003cbr\u003e\nSpecifications: Fixed temperature limit of 180°F, 7-inch probe insertion length, automatic reset functionality, designed for high-temperature thermal monitoring.","brand":"BCFurnace","offers":[{"title":"7\" CAMSTAT FIXED LIMIT SWITCH L180 \/ 547-502","offer_id":47251332235549,"sku":null,"price":98.85,"currency_code":"CAD","in_stock":true},{"title":"7\" CAMSTAT FIXED LIMIT SWITCH L180 \/ 83L83.","offer_id":47251332333853,"sku":null,"price":98.85,"currency_code":"CAD","in_stock":true},{"title":"7\" CAMSTAT FIXED LIMIT SWITCH L180 \/ 83L8301.","offer_id":47251332366621,"sku":null,"price":98.85,"currency_code":"CAD","in_stock":true},{"title":"7\" CAMSTAT FIXED LIMIT SWITCH L180 \/ HH11KT180.","offer_id":47251332399389,"sku":null,"price":98.85,"currency_code":"CAD","in_stock":true},{"title":"7\" CAMSTAT FIXED LIMIT SWITCH L180 \/ L59-7B16","offer_id":47251332301085,"sku":null,"price":98.85,"currency_code":"CAD","in_stock":true},{"title":"7\" CAMSTAT FIXED LIMIT SWITCH L180 \/ L59-7B16-180-30","offer_id":47251332268317,"sku":null,"price":98.85,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/057fff7704fd43129b8e1f6a11ee4c78.webp?v=1773958270"},{"product_id":"547-503","title":"547-503","description":"This 7-inch Camstat adjustable limit switch is a critical safety component designed for forced-air heating systems and furnaces. Functioning as a high limit control, this switch monitors the internal temperature of your heating appliance and automatically interrupts the burner circuit if the unit exceeds safe operating temperatures, preventing overheating and potential system damage. Featuring a versatile adjustable range between 120°F and 250°F, it allows for precise thermal management tailored to specific equipment requirements. This reliable HVAC replacement part is essential for maintaining the safety and efficiency of residential or commercial heating units, providing peace of mind through its responsive thermal sensing probe.\u003cbr\u003e\nType: High Limit Control Switch\u003cbr\u003e\nSize: 7-inch Probe\u003cbr\u003e\nDimensions: 7 inches\u003cbr\u003e\nApplication: Used as a safety thermal cutout in residential furnaces, gas-fired heaters, and forced-air HVAC systems to prevent overheating in the heat exchanger or plenum.\u003cbr\u003e\nSpecifications: Adjustable temperature range from 120°F to 250°F; 7-inch insertion probe for accurate temperature monitoring.","brand":"BCFurnace","offers":[{"title":"7\" CAMSTAT ADJUSTABLE LIMIT SWITCH L120-L250 \/ 547-503","offer_id":47251338133789,"sku":null,"price":98.85,"currency_code":"CAD","in_stock":true},{"title":"7\" CAMSTAT ADJUSTABLE LIMIT SWITCH L120-L250 \/ L59-7BA","offer_id":47251338166557,"sku":null,"price":98.85,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/a7910602b73e40dcbec4db97f51c9486.webp?v=1773958273"},{"product_id":"547-505","title":"547-505","description":"This 7-inch adjustable fan and limit switch is an essential dual-purpose safety and operational component designed for forced-air heating systems. Engineered to monitor and regulate furnace temperatures, this control switch manages the blower fan's activation and provides a critical high-limit safety cutout to prevent the heat exchanger from overheating. The adjustable settings allow for precise customization of the fan's on\/off cycle and the system's maximum temperature threshold, ensuring optimal airflow and protecting your HVAC equipment from thermal damage. It is a reliable solution for restoring efficient performance to residential and commercial furnaces where a probe-style thermal sensor is required.\u003cbr\u003e\nType: Furnace Fan and High Limit Control Switch\u003cbr\u003e\nSize: 7-inch Probe\u003cbr\u003e\nDimensions: 7 in\u003cbr\u003e\nApplication: Used in forced-air furnaces and central heating systems to control blower fan timing and provide high-temperature safety protection.\u003cbr\u003e\nSpecifications: Fan adjustment range: 90°F to 120°F; High-limit adjustment range: 150°F to 250°F; Features a 7-inch insertion probe for accurate temperature sensing within the plenum.","brand":"BCFurnace","offers":[{"title":"7\" CAMSTAT ADJUSTABLE FAN AND LIMIT SWITCH F90-F120 \/ L150-L250 \/ 547-505","offer_id":47251352289565,"sku":null,"price":169.68,"currency_code":"CAD","in_stock":true},{"title":"7\" CAMSTAT ADJUSTABLE FAN AND LIMIT SWITCH F90-F120 \/ L150-L250 \/ FAL7C-05TD","offer_id":47251352322333,"sku":null,"price":169.68,"currency_code":"CAD","in_stock":true},{"title":"7\" CAMSTAT ADJUSTABLE FAN AND LIMIT SWITCH F90-F120 \/ L150-L250 \/ FAL7C-05TD-120-A","offer_id":47251352355101,"sku":null,"price":169.68,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/bf64e98a874444a88abe546206bb4c2c.webp?v=1773967256"},{"product_id":"547-180","title":"547-180","description":"Ensure the safety and efficiency of your heating system with this premium 7-inch high limit switch. Designed as a critical safety mechanism for forced-air furnaces and air handlers, this temperature control switch monitors the heat exchanger to prevent dangerous overheating conditions. If internal temperatures reach the pre-set safety threshold, the switch automatically interrupts power to the heating element or gas valve, protecting your equipment from thermal damage and ensuring the safety of your home. Featuring an L180-30F thermal rating, this switch is engineered to trip at 180 degrees Fahrenheit and reset once the temperature drops by 30 degrees. This reliable replacement part is essential for maintaining proper HVAC airflow safety and meeting standard heat regulation requirements in residential and commercial heating units.\u003cbr\u003e\nType: High Limit Control Switch\u003cbr\u003e\nSize: 7-inch insertion probe\u003cbr\u003e\nDimensions: 7 inches\u003cbr\u003e\nApplication: Used in residential and commercial gas furnaces, electric heaters, and central HVAC systems to monitor heat exchanger temperature and provide thermal overload protection.\u003cbr\u003e\nSpecifications: Cut-out Temperature: 180°F; Differential: 30°F (Closes at 150°F); Reset Type: Automatic; Switch Type: Normally Closed (NC); Probe Length: 7 inches.","brand":"BCFurnace","offers":[{"title":"7\" HIGH LIMIT SWITCH L180-30F \/ 547-180","offer_id":47251352387869,"sku":null,"price":167.58,"currency_code":"CAD","in_stock":true},{"title":"7\" HIGH LIMIT SWITCH L180-30F \/ 27H92","offer_id":47251352650013,"sku":null,"price":167.58,"currency_code":"CAD","in_stock":true},{"title":"7\" HIGH LIMIT SWITCH L180-30F \/ 27H9201","offer_id":47251352682781,"sku":null,"price":167.58,"currency_code":"CAD","in_stock":true},{"title":"7\" HIGH LIMIT SWITCH L180-30F \/ 37H73","offer_id":47251352584477,"sku":null,"price":167.58,"currency_code":"CAD","in_stock":true},{"title":"7\" HIGH LIMIT SWITCH L180-30F \/ 37H7301","offer_id":47251352617245,"sku":null,"price":167.58,"currency_code":"CAD","in_stock":true},{"title":"7\" HIGH LIMIT SWITCH L180-30F \/ 83L83","offer_id":47251352453405,"sku":null,"price":167.58,"currency_code":"CAD","in_stock":true},{"title":"7\" HIGH LIMIT SWITCH L180-30F \/ 83L8301","offer_id":47251352420637,"sku":null,"price":167.58,"currency_code":"CAD","in_stock":true},{"title":"7\" HIGH LIMIT SWITCH L180-30F \/ HH 11KT 180","offer_id":47251352486173,"sku":null,"price":167.58,"currency_code":"CAD","in_stock":true},{"title":"7\" HIGH LIMIT SWITCH L180-30F \/ HH11KT180","offer_id":47251352518941,"sku":null,"price":167.58,"currency_code":"CAD","in_stock":true},{"title":"7\" HIGH LIMIT SWITCH L180-30F \/ L180-30F...","offer_id":47251352551709,"sku":null,"price":167.58,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/9367cac1d6cd49a28fdb9dd9be6c44a5.webp?v=1773958331"},{"product_id":"547-190","title":"547-190","description":"This professional-grade 7-inch high limit control switch is a vital safety component designed for heating systems, furnaces, and HVAC units. Functioning as a thermal safeguard, it continuously monitors internal temperatures to prevent overheating and potential equipment damage. When the system reaches a critical temperature threshold, the switch interrupts the electrical circuit, automatically resetting once the unit has cooled down by its designated differential. This high-reliability thermal cut-out is essential for maintaining optimal airflow and temperature regulation in residential and commercial air handling equipment. It is a common replacement part for troubleshooting short-cycling heating units and ensuring the long-term safety and efficiency of your climate control system.\u003cbr\u003e\nType: High Limit Control Switch\u003cbr\u003e\nSize: 7-inch probe length\u003cbr\u003e\nDimensions: 7 inches\u003cbr\u003e\nApplication: HVAC systems, residential and commercial furnaces, air handlers, and forced-air heating units.\u003cbr\u003e\nSpecifications: Cut-out Temperature: 190°F; Reset Differential: 30°F; Automatic reset; Normally closed circuit configuration.","brand":"BCFurnace","offers":[{"title":"7\" HIGH LIMIT SWITCH L190-30F \/ 547-190","offer_id":47251364938013,"sku":null,"price":90.13,"currency_code":"CAD","in_stock":true},{"title":"7\" HIGH LIMIT SWITCH L190-30F \/ 65208400","offer_id":47251365036317,"sku":null,"price":90.13,"currency_code":"CAD","in_stock":true},{"title":"7\" HIGH LIMIT SWITCH L190-30F \/ 86H72","offer_id":47251364970781,"sku":null,"price":90.13,"currency_code":"CAD","in_stock":true},{"title":"7\" HIGH LIMIT SWITCH L190-30F \/ 86H7201","offer_id":47251365003549,"sku":null,"price":90.13,"currency_code":"CAD","in_stock":true},{"title":"7\" HIGH LIMIT SWITCH L190-30F \/ L190-30F...","offer_id":47251365069085,"sku":null,"price":90.13,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/b64736fbf7f54549b9ccc80139399b65.webp?v=1773958378"},{"product_id":"547-150","title":"547-150","description":"This 7-inch high limit switch is a vital safety component designed for residential and commercial heating systems, including furnaces and HVAC units. Functioning as a thermal safeguard, this control switch monitors the temperature within the heat exchanger or plenum. It is engineered to automatically interrupt the electrical circuit if temperatures reach a predetermined safety threshold of 150°F, preventing overheating and potential damage to the appliance. Once the system cools by 30°F, the switch resets to allow for normal operation. If your heating system is short-cycling or failing to provide consistent heat, a malfunctioning high limit sensor may be the cause. This durable replacement part ensures your furnace operates within safe temperature parameters, protecting your equipment and maintaining home safety.\u003cbr\u003e\nType: High Limit Control Switch\u003cbr\u003e\nSize: 7-inch insertion length\u003cbr\u003e\nDimensions: 7 inches\u003cbr\u003e\nApplication: Used primarily in forced-air furnaces, HVAC systems, and high-capacity heating appliances as a primary safety limit control.\u003cbr\u003e\nSpecifications: Cut-out Temperature: 150°F; Differential\/Cut-in: 30°F; Automatic reset; Probe-style sensor.","brand":"BCFurnace","offers":[{"title":"7\" HIGH LIMIT SWITCH L150-30F \/ 547-150","offer_id":47251386794269,"sku":null,"price":68.83,"currency_code":"CAD","in_stock":true},{"title":"7\" HIGH LIMIT SWITCH L150-30F \/ 1NT21L-5056","offer_id":47251386827037,"sku":null,"price":68.83,"currency_code":"CAD","in_stock":true},{"title":"7\" HIGH LIMIT SWITCH L150-30F \/ L150-30F...","offer_id":47251386859805,"sku":null,"price":68.83,"currency_code":"CAD","in_stock":true},{"title":"7\" HIGH LIMIT SWITCH L150-30F \/ THT02435","offer_id":47251386892573,"sku":null,"price":68.83,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/ddd6d274e0e74149af0df9715d2c4082.webp?v=1773958465"},{"product_id":"547-121","title":"547-121","description":"This 7-inch high limit switch is a critical safety component designed for HVAC systems, furnaces, and various heating appliances. Functioning as a thermal cutout, this switch protects your equipment by automatically interrupting the electrical circuit if internal temperatures exceed a safe threshold. With a fixed temperature rating of 170°F, it prevents overheating and potential damage to sensitive components. The switch features an automatic reset mechanism that re-engages once the temperature drops by 20 degrees, ensuring your appliance returns to safe operation without manual intervention. Replacing a faulty high limit control is essential for maintaining the efficiency and safety of your heating system.\u003cbr\u003e\nType: High Limit Control Switch\u003cbr\u003e\nSize: 7-inch\u003cbr\u003e\nDimensions: 7 in\u003cbr\u003e\nApplication: Commonly used in residential and commercial HVAC systems, furnaces, and other high-output heating appliances as a primary safety sensor to prevent thermal runaway.\u003cbr\u003e\nSpecifications: Temperature Open: 170°F; Temperature Close: 150°F (20°F differential); Switch Type: Normally Closed (NC); Reset Type: Automatic","brand":"BCFurnace","offers":[{"title":"7\" HIGH LIMIT SWITCH L170-20F \/ 547-121","offer_id":47251388530973,"sku":null,"price":68.83,"currency_code":"CAD","in_stock":true},{"title":"7\" HIGH LIMIT SWITCH L170-20F \/ 47-21711-10","offer_id":47251388596509,"sku":null,"price":68.83,"currency_code":"CAD","in_stock":true},{"title":"7\" HIGH LIMIT SWITCH L170-20F \/ L170-20F.","offer_id":47251388563741,"sku":null,"price":68.83,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/c1ef0f82bb0841ef9802b2cc242c384f.webp?v=1773958457"},{"product_id":"547-200","title":"547-200","description":"Ensure the safety and efficiency of your heating system with this premium 7-inch high-limit switch. Designed as a critical safety component for residential gas furnaces and HVAC units, this temperature limit control monitors the heat exchanger to prevent dangerous overheating. If the internal temperature exceeds the factory-set safety threshold, the switch automatically breaks the electrical circuit to shut down the heating elements or burners, protecting your equipment from thermal damage and ensuring home safety. Featuring a durable 7-inch probe for accurate temperature sensing within the airflow and an automatic reset function that restores operation once the system cools to a safe level, this replacement part is essential for maintaining a reliable and functional furnace. It is a vital component for HVAC maintenance and repair, ensuring your climate control system operates within safe thermal parameters.\u003cbr\u003e\nType: High Limit Control Switch\u003cbr\u003e\nSize: 7-inch probe\u003cbr\u003e\nDimensions: 7 in\u003cbr\u003e\nApplication: Used in gas furnaces, forced-air heating systems, and HVAC units to provide overheat protection by monitoring heat exchanger temperatures.\u003cbr\u003e\nSpecifications: Open Temperature: 200°F; Temperature Differential: 30°F; Reset Type: Automatic; Sensor Type: Fixed Temperature Probe.","brand":"BCFurnace","offers":[{"title":"7\" HIGH LIMIT SWITCH L200-30F \/ 547-200","offer_id":47251416219933,"sku":null,"price":68.83,"currency_code":"CAD","in_stock":true},{"title":"7\" HIGH LIMIT SWITCH L200-30F \/ 27H47","offer_id":50486055600413,"sku":null,"price":68.83,"currency_code":"CAD","in_stock":true},{"title":"7\" HIGH LIMIT SWITCH L200-30F \/ 27K13","offer_id":47251416285469,"sku":null,"price":68.83,"currency_code":"CAD","in_stock":true},{"title":"7\" HIGH LIMIT SWITCH L200-30F \/ 27K1301","offer_id":47251416383773,"sku":null,"price":68.83,"currency_code":"CAD","in_stock":true},{"title":"7\" HIGH LIMIT SWITCH L200-30F \/ 27K15","offer_id":47251416252701,"sku":null,"price":68.83,"currency_code":"CAD","in_stock":true},{"title":"7\" HIGH LIMIT SWITCH L200-30F \/ 27K1501","offer_id":47251416416541,"sku":null,"price":68.83,"currency_code":"CAD","in_stock":true},{"title":"7\" HIGH LIMIT SWITCH L200-30F \/ 49L03","offer_id":47251416318237,"sku":null,"price":68.83,"currency_code":"CAD","in_stock":true},{"title":"7\" HIGH LIMIT SWITCH L200-30F \/ 49L0301","offer_id":47251416351005,"sku":null,"price":68.83,"currency_code":"CAD","in_stock":true},{"title":"7\" HIGH LIMIT SWITCH L200-30F \/ 50L68","offer_id":47251416449309,"sku":null,"price":68.83,"currency_code":"CAD","in_stock":true},{"title":"7\" HIGH LIMIT SWITCH L200-30F \/ L200-30F..","offer_id":47251416514845,"sku":null,"price":68.83,"currency_code":"CAD","in_stock":true},{"title":"7\" HIGH LIMIT SWITCH L200-30F \/ LB-96030A","offer_id":47251416482077,"sku":null,"price":68.83,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/b997ce6499c64613a9e1baec8a81d0b3.webp?v=1773958629"},{"product_id":"547-501","title":"547-501","description":"Ensure the safety and efficiency of your heating system with this professional-grade 7-inch adjustable high-limit control switch. Designed as a critical safety component for HVAC systems and forced-air furnaces, this limit switch monitors internal temperatures to prevent equipment overheating. The adjustable dial allows for precise cut-out settings ranging from 180°F to 250°F, providing versatile protection for various residential and commercial heating units. This component acts as a vital safety bridge, cycling the burner off if the plenum temperature exceeds safe limits. If your furnace blower runs constantly or the system prematurely shuts down, a faulty limit switch may be the cause. This durable replacement part ensures reliable temperature regulation, system longevity, and peace of mind.\u003cbr\u003e\nType: High Limit Control Switch\u003cbr\u003e\nSize: 7-inch Insertion Length\u003cbr\u003e\nDimensions: 7 inches\u003cbr\u003e\nApplication: Used in gas-fired and electric forced-air furnaces, HVAC systems, and heating equipment to provide over-temperature protection and blower motor control.\u003cbr\u003e\nSpecifications: Adjustable temperature range: 180°F to 250°F; high-temperature safety cut-out; suitable for plenum mounting.","brand":"BCFurnace","offers":[{"title":"7\" LIMIT SWITCH ADJUSTABLE L180- L250 \/ 547-501","offer_id":47251665420573,"sku":null,"price":215.45,"currency_code":"CAD","in_stock":true},{"title":"7\" LIMIT SWITCH ADJUSTABLE L180- L250 \/ 28F54","offer_id":47251665682717,"sku":null,"price":215.45,"currency_code":"CAD","in_stock":true},{"title":"7\" LIMIT SWITCH ADJUSTABLE L180- L250 \/ L180-250","offer_id":47251665617181,"sku":null,"price":215.45,"currency_code":"CAD","in_stock":true},{"title":"7\" LIMIT SWITCH ADJUSTABLE L180- L250 \/ L22-11A","offer_id":47251666927901,"sku":null,"price":215.45,"currency_code":"CAD","in_stock":true},{"title":"7\" LIMIT SWITCH ADJUSTABLE L180- L250 \/ L22-8A","offer_id":47251666895133,"sku":null,"price":215.45,"currency_code":"CAD","in_stock":true},{"title":"7\" LIMIT SWITCH ADJUSTABLE L180- L250 \/ L4069C 1181","offer_id":47251665551645,"sku":null,"price":215.45,"currency_code":"CAD","in_stock":true},{"title":"7\" LIMIT SWITCH ADJUSTABLE L180- L250 \/ L4069C1181","offer_id":47251665486109,"sku":null,"price":215.45,"currency_code":"CAD","in_stock":true},{"title":"7\" LIMIT SWITCH ADJUSTABLE L180- L250 \/ M41","offer_id":47251666469149,"sku":null,"price":215.45,"currency_code":"CAD","in_stock":true},{"title":"7\" LIMIT SWITCH ADJUSTABLE L180- L250 \/ M51","offer_id":47251666567453,"sku":null,"price":215.45,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/b17f3a374d4041eba7cab3a4a3a3b29f.webp?v=1773961188"},{"product_id":"547-124","title":"547-124","description":"This 7-inch high limit switch is a vital safety component engineered for gas furnaces and forced-air heating systems. Designed to monitor the temperature within the heat exchanger, this thermal limit control acts as a safeguard against overheating. If the internal temperature reaches an unsafe threshold of 170°F, the switch automatically interrupts power to the burner or heating element, preventing equipment damage and ensuring home safety. Featuring a 30°F differential, the switch is designed to reset once the system cools to a safe operating temperature of 140°F. This replacement part is essential for HVAC repair when a furnace is short-cycling or failing to stay lit due to a faulty safety sensor.\u003cbr\u003e\nType: Furnace High Limit Safety Switch\u003cbr\u003e\nSize: 7-inch probe length\u003cbr\u003e\nDimensions: 7 inches\u003cbr\u003e\nApplication: Residential gas furnaces, forced-air heating units, and HVAC heat exchanger safety monitoring\u003cbr\u003e\nSpecifications: Trip Temperature: 170°F (L170); Reset Differential: 30°F (30F); Normally Closed configuration; 7-inch insertion depth","brand":"BCFurnace","offers":[{"title":"7\" HIGH LIMIT SWITCH L170-30F \/ 547-124","offer_id":47252025966877,"sku":null,"price":82.76,"currency_code":"CAD","in_stock":true},{"title":"7\" HIGH LIMIT SWITCH L170-30F \/ 1370910S","offer_id":47252025999645,"sku":null,"price":82.76,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/c71488d57a0c4f18b029c972ad665df4.webp?v=1773959912"},{"product_id":"547-122","title":"547-122","description":"The 7-inch High Limit Switch L190-30F is a critical safety component designed for modern heating systems and HVAC equipment. This thermal limit control acts as a vital safeguard, monitoring internal temperatures to prevent your furnace or heating unit from overheating. If the temperature reaches its 190°F threshold, the switch automatically opens to break the electrical circuit, protecting the appliance from heat damage and ensuring safe operation. With a 30°F differential, the switch is engineered to reset once the system cools to a safe level. This reliable sensor is a common replacement part for residential and commercial furnaces where precise temperature regulation and safety are paramount.\u003cbr\u003e\nType: High Limit Control Switch\u003cbr\u003e\nSize: 7-inch probe depth\u003cbr\u003e\nDimensions: 7 in\u003cbr\u003e\nApplication: Used primarily in gas and electric furnaces, HVAC units, and heating appliances to monitor internal plenum temperatures and provide over-temperature protection.\u003cbr\u003e\nSpecifications: Cut-out temperature: 190°F; Differential: 30°F; Configuration: Normally Closed (NC) - Opens on Rise; Probe length: 7 inches.","brand":"BCFurnace","offers":[{"title":"7\" HIGH LIMIT SWITCH L190-30F \/ 547-122","offer_id":47252072202525,"sku":null,"price":169.89,"currency_code":"CAD","in_stock":true},{"title":"7\" HIGH LIMIT SWITCH L190-30F \/ SWT 03031","offer_id":47252072268061,"sku":null,"price":169.89,"currency_code":"CAD","in_stock":true},{"title":"7\" HIGH LIMIT SWITCH L190-30F \/ SWT03031","offer_id":47252072235293,"sku":null,"price":169.89,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/d0f61581799c4a759b337f3403cefcb7.webp?v=1773960108"},{"product_id":"547-125","title":"547-125","description":"Ensure the safety and peak performance of your forced-air heating system with this 7-inch high limit control switch. As a critical safety component for residential furnaces, this switch is designed to monitor the internal temperature of the heat exchanger to prevent dangerous overheating. When temperatures exceed the safety threshold of 240°F, the switch opens to shut down the heating source, protecting your equipment and home. Once the unit cools by 30°F, the switch resets to allow for normal operation. This reliable HVAC replacement part is ideal for fixing furnaces that are short-cycling or failing to produce heat due to a faulty safety sensor. Its durable construction ensures long-term reliability and precise temperature regulation for your home climate control system.\u003cbr\u003e\nType: High Limit Control Switch\u003cbr\u003e\nSize: 7-inch probe length\u003cbr\u003e\nDimensions: 7 inches\u003cbr\u003e\nApplication: Designed for use in residential gas furnaces and forced-air heating systems to provide critical overheating protection and system safety monitoring.\u003cbr\u003e\nSpecifications: Temperature Limit: 240°F Cut-out; Temperature Differential: 30°F (Resets at 210°F); Probe Length: 7 inches; Switch Logic: Normally Closed (NC) - Opens on Rise; Automatic Reset Functionality.","brand":"BCFurnace","offers":[{"title":"7\" HIGH LIMIT SWITCH L240-30F \/ 547-125","offer_id":47252096090397,"sku":null,"price":74.93,"currency_code":"CAD","in_stock":true},{"title":"7\" HIGH LIMIT SWITCH L240-30F \/ 1370912S","offer_id":47252096123165,"sku":null,"price":74.93,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/3c432737b6e745b089f942e13d8a3137.webp?v=1773960239"},{"product_id":"000-127","title":"000-127","description":"This 7-inch furnace high limit switch is a vital safety component designed for residential HVAC systems and gas furnaces. Functioning as a high limit control, this sensor monitors the temperature within the heat exchanger to prevent overheating. If the furnace reach an unsafe temperature, the switch automatically opens the electrical circuit to shut down the heating element or gas valve, protecting the appliance from damage and ensuring home safety. Featuring an auto-reset design, the switch will automatically close and restore operation once the internal temperature drops by 30 degrees Fahrenheit. This part is a common solution for furnaces that are short-cycling or failing to maintain a consistent heating cycle.\u003cbr\u003e\nType: High Limit Control Switch\u003cbr\u003e\nSize: 7-inch probe\u003cbr\u003e\nDimensions: 7 in\u003cbr\u003e\nApplication: Used in forced-air gas furnaces and residential heating systems to monitor heat exchanger temperatures and provide over-temperature protection.\u003cbr\u003e\nSpecifications: Temperature Limit: 165°F (Open); Differential: 30°F (Close at 135°F); Reset Type: Automatic; Probe Depth: 7 inches.","brand":"BCFurnace","offers":[{"title":"LENNOX LIMIT SWITCH 7\" AUTO RESET L165-30F \/ 000-127","offer_id":50341528797469,"sku":null,"price":78.51,"currency_code":"CAD","in_stock":true},{"title":"LENNOX LIMIT SWITCH 7\" AUTO RESET L165-30F \/ 18J28","offer_id":50341528830237,"sku":null,"price":78.51,"currency_code":"CAD","in_stock":true},{"title":"LENNOX LIMIT SWITCH 7\" AUTO RESET L165-30F \/ 18J2801","offer_id":50881085702429,"sku":null,"price":78.51,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/e220f2017ee0402c968af871da36ee34.webp?v=1773960286"},{"product_id":"000-379","title":"000-379","description":"Ensure the safety and efficiency of your heating system with this premium Lennox Auto-Reset High Limit Switch. This critical HVAC safety component is designed to monitor the temperature within the heat exchanger, providing essential protection against overheating. Featuring a 7-inch insertion probe for precise thermal detection, the switch is calibrated to automatically interrupt the heating cycle if temperatures reach 220°F and will automatically reset once the unit cools by 30°F. Ideal for furnace repair and maintenance, this limit control helps prevent damage to the heat exchanger and ensures your forced-air system operates within safe thermal parameters. If your blower fan is running constantly or your burner is cycling off prematurely, this high-limit control switch is a reliable solution for restoring peak performance.\u003cbr\u003e\nType: High Limit Control Switch\u003cbr\u003e\nSize: 7-inch insert\u003cbr\u003e\nDimensions: 7-inch insertion depth\u003cbr\u003e\nApplication: Used in residential and commercial gas or oil furnaces, air handlers, and forced-air heating systems to monitor heat exchanger temperatures and provide thermal overload protection.\u003cbr\u003e\nSpecifications: Temperature Limit: 220°F (L220); Differential: 30°F (30F); Reset Type: Automatic; Probe Length: 7 inches; Mounting: Flange-mount insertion.","brand":"BCFurnace","offers":[{"title":"LENNOX LIMIT SWITCH, AUTO RESET, L220-30F, 7\" INSERT \/ 000-379","offer_id":50341561729309,"sku":null,"price":145.23,"currency_code":"CAD","in_stock":true},{"title":"LENNOX LIMIT SWITCH, AUTO RESET, L220-30F, 7\" INSERT \/ 36K30","offer_id":50341561762077,"sku":null,"price":145.23,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/022c952cfa094884ab4c250565b2e3b2.webp?v=1773960812"},{"product_id":"000-940","title":"000-940","description":"Ensure the safe and efficient operation of your heating system with this professional-grade 7-inch insert high limit control switch. Designed as a critical safety component for residential and commercial HVAC units, this auto-reset limit switch monitors internal air temperatures to prevent overheating within the furnace plenum. The L240-30F rating signifies that the switch will automatically interrupt the heating circuit if temperatures reach 240°F and will reset once the temperature drops by 30°F. This replacement part is essential for fixing furnaces that are short-cycling or failing to provide consistent heat due to a faulty thermal sensor. Its durable construction and precise temperature calibration make it a reliable choice for maintaining climate control systems and protecting against thermal overloads.\u003cbr\u003e\nType: High Limit Control Switch\u003cbr\u003e\nSize: 7-inch insertion depth\u003cbr\u003e\nDimensions: 7 in (insert length)\u003cbr\u003e\nApplication: Commonly used in forced-air furnaces, HVAC systems, and heating appliances to monitor plenum temperature and provide thermal safety protection.\u003cbr\u003e\nSpecifications: Temperature Rating: L240-30F (240°F Cut-out, 30°F Differential); Reset Type: Automatic; Configuration: 7-inch probe insert; Function: Normally Closed (NC) opening on temperature rise.","brand":"BCFurnace","offers":[{"title":"Limit Switch, Auto Reset, L240-30F, 7\" Insert \/ 000-940","offer_id":50341941838109,"sku":null,"price":18.62,"currency_code":"CAD","in_stock":true},{"title":"Limit Switch, Auto Reset, L240-30F, 7\" Insert \/ 19J81","offer_id":50341941870877,"sku":null,"price":18.62,"currency_code":"CAD","in_stock":true}]}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/collections\/124-removebg-preview_SQyjUYV_60be6513-e882-4ba3-a7de-d5aa2fff1968.png?v=1701983534","url":"https:\/\/bcfurnace.myshopify.com\/collections\/7-high-limit-control-switches.oembed","provider":"BCFurnace","version":"1.0","type":"link"}