{"product_id":"773-190","title":"773-190","description":"This Armstrong Air 2-Stage Air Pressure Switch is an essential safety and performance component for high-efficiency gas furnaces. Functioning as an air-proving switch, it monitors the pressure generated by the draft inducer motor to ensure the exhaust system is operating correctly before allowing the furnace to ignite. Designed specifically for two-stage heating systems, this dual-level switch ensures the appliance functions safely at both low and high firing rates. Replacing a failing pressure switch can resolve common furnace ignition issues and error codes, restoring reliable heat to your home. This durable component is engineered for precision and long-term reliability in modern HVAC systems.\u003cbr\u003e\nType: Air Pressure Switch\u003cbr\u003e\nSize: Standard\u003cbr\u003e\nApplication: Compatible with high-efficiency two-stage gas furnaces and forced-air heating systems.\u003cbr\u003e\nSpecifications: Dual-stage configuration with 0.45\" WC and 1.00\" WC setpoints; air-proving safety mechanism.","brand":"BCFurnace","offers":[{"title":"ARMSTRONG AIR PRESSURE SWITCH 2-STG 0.45\" WC \/ 1.00\" WC \/ 773-190","offer_id":47251226427677,"sku":null,"price":181.84,"currency_code":"CAD","in_stock":true},{"title":"ARMSTRONG AIR PRESSURE SWITCH 2-STG 0.45\" WC \/ 1.00\" WC \/ R102613-02","offer_id":47251226460445,"sku":null,"price":181.84,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/56483922a59e440d81267ffb64eb75fc.webp?v=1773957833","url":"https:\/\/bcfurnace.myshopify.com\/products\/773-190","provider":"BCFurnace","version":"1.0","type":"link"}