{"product_id":"icp-control-board-kit-for-rgs243ltfa0aaaa-furnace-ignition-control-ships-today","title":"ICP Control Board Kit for RGS243LTFA0AAAA – Furnace Ignition Control | Ships Today","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\u003cp\u003eThis genuine OEM control board kit (OEM part 1183618) is the integrated furnace control (IFC) for the ICP\/Tempstar\/Heil RGS243LTFA0AAAA gas furnace. The board is the brain of the furnace: it manages the ignition sequence, sequences the inducer and blower motors, monitors the limit and pressure switches, drives the gas valve, and runs continuous flame-sense safety and diagnostic logic. Voltage spikes, flame-sensor feedback faults, cracked solder joints, and burned relays all cause board failure. Symptoms range from a completely dead furnace to short cycling, no inducer or blower, or flashing diagnostic LED fault codes. This kit ships with the replacement board and mounting hardware so you can restore full, safe operation in a single service call.\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\u003e1183618\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eIntegrated Furnace Control Board Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eICP (Tempstar \/ Heil \/ Comfortmaker)\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\u003eDiagnostics\u003c\/td\u003e\n\u003ctd\u003eLED Fault Code Indicator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFit\u003c\/td\u003e\n\u003ctd\u003eOEM Direct Replacement Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eDesigned for the ICP RGS243LTFA0AAAA and shared across compatible ICP-family RGS-series gas furnaces sold under Tempstar, Heil, Comfortmaker, and Arcoaire. Match the board part number, connector layout, and harness plugs to your existing control before installing.\u003c\/p\u003e\u003ch3\u003eInstallation Guide\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety First\u003c\/strong\u003e – Disconnect furnace power and shut off gas; verify zero voltage with a multimeter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccess\u003c\/strong\u003e – Remove the furnace control\/blower access panel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDocument\u003c\/strong\u003e – Photograph every harness plug and terminal location before disconnecting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemove\u003c\/strong\u003e – Unplug each connector, remove the mounting screws, and lift out the old board.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall\u003c\/strong\u003e – Mount the new board, then reseat every connector firmly in its matching position per your photo.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest\u003c\/strong\u003e – Restore gas and power, call for heat, and confirm a full ignition cycle with no fault codes.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch3\u003eSigns You Need a Replacement\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFurnace completely unresponsive to a heat call\u003c\/li\u003e\n\u003cli\u003eInducer or blower fails to start or runs continuously\u003c\/li\u003e\n\u003cli\u003eFlashing diagnostic LED fault code at the board\u003c\/li\u003e\n\u003cli\u003eVisible burn marks, corrosion, or scorched relays on the board\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":63027286770035,"sku":"1183618","price":220.94,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":63047477035379,"sku":"1183618-GEN","price":169.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-furnace-1183618_8c8f4213-051d-4ac6-8288-16c7e9f28079.jpg?v=1782885860","url":"https:\/\/nationalhvacparts.com\/products\/icp-control-board-kit-for-rgs243ltfa0aaaa-furnace-ignition-control-ships-today","provider":"National HVAC Parts","version":"1.0","type":"link"}