{"product_id":"121-727","title":"121-727","description":"Ensure the safe and efficient operation of your high-efficiency gas furnace with this premium 2-stage air pressure switch kit. As a critical safety component, this air-proving switch monitors the pressure generated by the inducer motor to verify that combustion gases are being properly vented before ignition occurs. Designed specifically for dual-stage heating systems, it accurately detects pressure changes for both low and high-fire modes, preventing the furnace from operating under unsafe conditions. If your furnace is short-cycling or failing to ignite, this replacement pressure switch kit provides a reliable solution to restore consistent heating performance. Crafted for durability and precision, it is an essential part for maintaining residential HVAC system safety and compliance with high-efficiency standards.\u003cbr\u003e\nType: Air Pressure Switch Kit\u003cbr\u003e\nSize: Standard\u003cbr\u003e\nApplication: Used in residential 2-stage gas furnaces and high-efficiency condensing heating units to monitor inducer blower pressure and ensure safe combustion airflow.\u003cbr\u003e\nSpecifications: Dual-stage air pressure sensing, air-proving safety functionality, optimized for high-efficiency (96%+ AFUE) gas heating systems.","brand":"BCFurnace","offers":[{"title":"SWITCH,PRESSURE,KIT 2 STG 96 \/ 121-727","offer_id":50217114403101,"sku":null,"price":617.84,"currency_code":"CAD","in_stock":true},{"title":"SWITCH,PRESSURE,KIT 2 STG 96 \/ S1-32435886000","offer_id":50217114435869,"sku":null,"price":617.84,"currency_code":"CAD","in_stock":true}],"url":"https:\/\/bcfurnace.myshopify.com\/products\/121-727","provider":"BCFurnace","version":"1.0","type":"link"}