{"product_id":"773-133","title":"773-133","description":"This premium 2-stage air pressure switch is a vital safety component for high-efficiency gas furnaces. Functioning as an air-proving sensor, it monitors the pressure generated by the inducer motor to ensure harmful combustion gases are being properly vented before the ignition sequence begins. Designed for multi-stage heating systems, this switch helps prevent hazardous conditions and ensures peak operating efficiency. If your furnace is experiencing startup failures or venting errors, this dual-setpoint pressure switch provides the reliable air pressure monitoring needed for safe, consistent heating performance.\u003cbr\u003e\nType: Air Pressure Switch\u003cbr\u003e\nSize: Standard Replacement Part\u003cbr\u003e\nApplication: High-efficiency 2-stage gas furnaces and residential HVAC heating systems requiring dual-stage airflow verification.\u003cbr\u003e\nSpecifications: Dual-stage operation; Calibrated setpoints: 0.50\" WC (Water Column) and 0.85\" WC; Monitors inducer blower motor pressure for safety cut-off.","brand":"BCFurnace","offers":[{"title":"LENNOX PRESSURE SWITCH 2-STG 0.50\" WC \/ 0.85\" WC \/ 773-133","offer_id":47251302416669,"sku":null,"price":274.19,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 2-STG 0.50\" WC \/ 0.85\" WC \/ 101126-02","offer_id":47251302482205,"sku":null,"price":274.19,"currency_code":"CAD","in_stock":true},{"title":"LENNOX PRESSURE SWITCH 2-STG 0.50\" WC \/ 0.85\" WC \/ 26W41","offer_id":47251302449437,"sku":null,"price":274.19,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/6dc1115d3e7f48c9aa2f04eab4dc245c.webp?v=1773958165","url":"https:\/\/bcfurnace.myshopify.com\/products\/773-133","provider":"BCFurnace","version":"1.0","type":"link"}