{"product_id":"773-372","title":"773-372","description":"This premium air pressure switch is a vital safety component designed for modern HVAC systems and forced-air furnaces. Functioning as an air-proving sensor, it monitors the vacuum pressure created by the draft inducer motor to ensure proper venting of combustion gases before the ignition sequence begins. Rated at a precise 1.20\" WC (Water Column), this switch prevents the heating system from operating under unsafe conditions, such as a blocked flue or a failing blower motor. If your furnace is failing to ignite or throwing a pressure switch error code, this high-quality replacement part is essential for restoring reliable and efficient heating performance. Crafted for durability and precision, it ensures your residential or commercial heating equipment meets rigorous safety standards.\u003cbr\u003e\nType: Air Pressure Switch\u003cbr\u003e\nSize: Compact\u003cbr\u003e\nApplication: Used in high-efficiency gas furnaces, HVAC heating units, and forced-air systems to monitor draft inducer airflow and ensure safe combustion cycles.\u003cbr\u003e\nSpecifications: Pressure Rating: 1.20\" WC (Water Column); Function: Air Proving \/ Safety Interlock; Compatibility: Works with compatible gas-fired heating systems requiring a fixed set-point pressure sensor.","brand":"BCFurnace","offers":[{"title":"YORK\/ETC AIR PRESSURE SWITCH 1.20\" WC \/ 773-372","offer_id":50572420907293,"sku":null,"price":262.34,"currency_code":"CAD","in_stock":true},{"title":"YORK\/ETC AIR PRESSURE SWITCH 1.20\" WC \/ S1-02425006709","offer_id":50572420940061,"sku":null,"price":262.34,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/80ed1d6680b64d59a6e6e06312a1c301.webp?v=1773964365","url":"https:\/\/bcfurnace.myshopify.com\/products\/773-372","provider":"BCFurnace","version":"1.0","type":"link"}