{"product_id":"icp-furnace-control-board-for-wfar100c048b1-ships-today","title":"ICP Furnace Control Board for WFAR100C048B1 | Ships Today","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\u003cp\u003eThis OEM furnace control board (part #1184783, CONTROL BOARD) is the integrated ignition and blower control module for the ICP\/Heil\/Tempstar WFAR100C048B1. It is the brain of the furnace: it sequences the ignition cycle, fires the hot surface igniter, opens the gas valve, monitors flame and the pressure\/limit safety chain, and times the blower on and off. When the board fails, symptoms range from a completely dead furnace to no ignition, no blower, short cycling, or repeated lockouts with diagnostic LED fault codes. Boards are damaged by power surges, moisture, failed components downstream, or simple age. This OEM board matches the factory firmware, relay layout, and connector pinout so the wiring harness lands exactly where it came off.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e1184783\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eIntegrated Furnace Control Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eICP \/ Heil \/ Tempstar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunction\u003c\/td\u003e\n\u003ctd\u003eIgnition, Blower \u0026amp; Safety Control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eGas Furnace\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitment\u003c\/td\u003e\n\u003ctd\u003eOEM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eEngineered for the ICP\/Heil\/Tempstar WFAR100C048B1 and matching WFAR-series furnaces that shipped with this integrated control board. Match your existing board's part number and connector layout before installing.\u003c\/p\u003e\u003ch3\u003eInstallation Guide\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety First\u003c\/strong\u003e — Disconnect power at the breaker and verify zero voltage with a multimeter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccess\u003c\/strong\u003e — Remove the control compartment service panel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDocument\u003c\/strong\u003e — Photograph every wire and connector on the old board before unplugging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemove\u003c\/strong\u003e — Unplug the harnesses, remove the mounting screws, and lift out the failed board.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall\u003c\/strong\u003e — Mount the new board and reconnect every harness to the matching terminal per your photo.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest\u003c\/strong\u003e — Restore power and run a full heat cycle, confirming ignition, flame proving, and blower timing while watching the diagnostic LED.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch3\u003eSigns You Need a Replacement\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFurnace is completely dead with power present\u003c\/li\u003e\n\u003cli\u003eNo ignition or blower despite a valid heat call\u003c\/li\u003e\n\u003cli\u003eDiagnostic LED shows a control or internal fault code\u003c\/li\u003e\n\u003cli\u003eRandom short cycling or lockouts that other parts don't fix\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eShipping \u0026amp; Returns\u003c\/h3\u003e\u003cp\u003eShips same day before 3 PM CST. 30-day returns. Backed by the National HVAC Parts fitment guarantee.\u003c\/p\u003e","brand":"ICP","offers":[{"title":"OEM","offer_id":63021591593331,"sku":"1184783","price":207.94,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":63047529628019,"sku":"1184783-GEN","price":159.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-furnace-1184783_adbd73b5-5df2-48fa-8f2f-9588ff4b7051.jpg?v=1782888358","url":"https:\/\/nationalhvacparts.com\/products\/icp-furnace-control-board-for-wfar100c048b1-ships-today","provider":"National HVAC Parts","version":"1.0","type":"link"}