{"product_id":"773-070","title":"773-070","description":"Ensure the safe and efficient operation of your residential heating system with this high-performance air pressure switch. Functioning as a critical safety component, this air proving switch is designed to monitor the draft produced by the inducer motor, verifying that combustion gases are being properly exhausted before allowing the ignition process to begin. Calibrated to a precise 0.24\" WC (Water Column) set point, this switch helps prevent hazardous conditions by interrupting the heating cycle if insufficient airflow is detected. It is an essential replacement part for troubleshooting furnace startup failures and maintaining long-term HVAC reliability.\u003cbr\u003e\nType: Air Pressure Switch\u003cbr\u003e\nSize: Compact\u003cbr\u003e\nApplication: Used in residential gas furnaces and HVAC units as a safety sensor to prove airflow and draft pressure during the heating cycle.\u003cbr\u003e\nSpecifications: Pressure Setting: 0.24\" WC; Type: Air Proving Switch","brand":"BCFurnace","offers":[{"title":"LENNOX PRESSURE SWITCH 0.24\" WC \/ 773-070","offer_id":47251225477405,"sku":null,"price":185.04,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 0.24\" WC \/ 43K24","offer_id":47251225510173,"sku":null,"price":185.04,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 0.24\" WC \/ 80K25","offer_id":47251225542941,"sku":null,"price":185.04,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 0.24\" WC \/ IS20407-5896\/U","offer_id":47251225575709,"sku":null,"price":185.04,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/c02ede6f49654bd79731fb9c6f168f97.webp?v=1773957900","url":"https:\/\/bcfurnace.myshopify.com\/products\/773-070","provider":"BCFurnace","version":"1.0","type":"link"}