{"product_id":"kfr-1-gas-boiler-air-pressure-switch","title":"KFR-1 Air Pressure Switch – Gas Boiler \/ Water Heater (39\/55Pa)","description":"\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eKFR-1 Air Pressure Switch (Fixed Setpoint)\u003c\/li\u003e\n\u003cli\u003eSwitching Pressure ~39\/55 Pa (0.9 mbar)\u003c\/li\u003e\n\u003cli\u003eMaximum Pressure 10 mbar\u003c\/li\u003e\n\u003cli\u003eRated 125V ~\u003c\/li\u003e\n\u003cli\u003eChangeover Contact (NC \/ NO \/ C)\u003c\/li\u003e\n\u003cli\u003eTwo Pressure Ports\u003c\/li\u003e\n\u003cli\u003eBracket-Mount Metal Body\u003c\/li\u003e\n\u003cli\u003eFor Gas Water Heaters and Boilers (Flue \/ Fan Proving)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eKFR-1 Air Pressure Switch\u003c\/strong\u003e is a fixed-setpoint pressure switch used in gas water heaters and boilers to prove that the fan or flue draught is present before ignition. It switches its changeover contact at around 39\/55 Pa (0.9 mbar), with a maximum of 10 mbar.\u003c\/p\u003e\n\u003cp\u003eThis is a common replacement part for many gas water heaters and wall-hung boilers. Supplied brand-new. If you are matching it to a specific heater, check the pressure rating and port layout against your original before ordering — contact us and we will help.\u003c\/p\u003e","brand":"ZZ Marts","offers":[{"title":"Default Title","offer_id":52912419504440,"sku":"CMP-KFR-1","price":950.0,"currency_code":"PKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1012\/3932\/4984\/files\/ChatGPTImageJul24_2026_04_46_49PM.png?v=1788870892","url":"https:\/\/zzmarts.com\/products\/kfr-1-gas-boiler-air-pressure-switch","provider":"ZZ Marts | Zam Zam Traders","version":"1.0","type":"link"}