{"product_id":"773-384","title":"773-384","description":"This high-performance HVAC air pressure switch is a vital safety component for residential and commercial heating systems. Calibrated to a precise 0.54\" WC (Water Column) set point, this air proving switch monitors the draft inducer motor to ensure proper airflow and the safe exhaustion of combustion gases before allowing the ignition cycle to proceed. If your furnace is experiencing startup failures, cycling off prematurely, or throwing pressure switch error codes, this replacement part is essential for restoring reliable heating performance. Designed for durability and precision, it serves as a critical fail-safe to protect your HVAC equipment and ensure optimal ventilation efficiency.\u003cbr\u003e\nType: Air Pressure Switch\u003cbr\u003e\nSize: Compact\u003cbr\u003e\nApplication: Used in forced-air furnaces, heating units, and HVAC systems to monitor draft inducer pressure and ensure safe combustion environments.\u003cbr\u003e\nSpecifications: Set Point: 0.54\" WC (Water Column); Function: Air Proving\/Safety Interlock; Type: Normally Open.","brand":"BCFurnace","offers":[{"title":"YORK\/ETC PRESSURE SWITCH 0.54\" WC \/ 773-384","offer_id":50572594807069,"sku":null,"price":129.35,"currency_code":"CAD","in_stock":true},{"title":"YORK\/ETC PRESSURE SWITCH 0.54\" WC \/ 02435272000","offer_id":50572614074653,"sku":null,"price":129.35,"currency_code":"CAD","in_stock":true},{"title":"YORK\/ETC PRESSURE SWITCH 0.54\" WC \/ S1-02435272000","offer_id":50572594839837,"sku":null,"price":129.35,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/7c430e0d6ee14204a7bbcf2802ddfc2d.webp?v=1773964409","url":"https:\/\/bcfurnace.myshopify.com\/products\/773-384","provider":"BCFurnace","version":"1.0","type":"link"}