{"product_id":"icp-furnace-control-board-kit-for-rgs243ssea0aaaa-oem-ignition-control-ships-today","title":"ICP Furnace Control Board Kit for RGS243SSEA0AAAA — OEM Ignition Control | Ships Today","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThis OEM ICP control board kit (part number 1183618) is the integrated furnace control (IFC) that serves as the brain of your ICP Tempstar\/Heil RGS243SSEA0AAAA gas furnace. It manages the entire heating sequence — inducer operation, igniter timing, gas valve control, flame sensing, blower timing, and safety lockouts — and communicates fault codes through its diagnostic LED. A failed board commonly results from power surges, moisture, cracked solder joints, or burned relay contacts. Symptoms of a bad control board include a completely dead furnace, no response to a thermostat call for heat, blower or inducer that won't start or won't shut off, and erratic or absent diagnostic LED codes.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\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\u003eDescription\u003c\/td\u003e\n\u003ctd\u003eKit, Control Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eIntegrated Furnace Control (IFC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eICP (Tempstar \/ Heil)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFits Model\u003c\/td\u003e\n\u003ctd\u003eRGS243SSEA0AAAA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eGas Furnace Ignition \u0026amp; Blower Control\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\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eDirect OEM replacement kit for the ICP Tempstar Heil RGS243SSEA0AAAA furnace and other ICP-family units originally equipped with control board 1183618. Verify your existing board part number and connector layout before ordering, as IFC boards vary across model series.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guide\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety First\u003c\/strong\u003e — Disconnect electrical power at the furnace switch and breaker; verify zero voltage with a multimeter before handling the board.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccess\u003c\/strong\u003e — Remove the furnace control\/blower access panel to expose the existing board.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDocument\u003c\/strong\u003e — Photograph every wire harness and connector position before disconnecting anything.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemove\u003c\/strong\u003e — Unplug all harness connectors, 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, transfer any required jumpers\/settings, and reconnect each harness exactly per your photos.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest\u003c\/strong\u003e — Restore power, run a full heat cycle, and confirm proper ignition, blower timing, and a steady diagnostic LED.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eSigns You Need a Replacement\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFurnace is completely unresponsive to a call for heat\u003c\/li\u003e\n\u003cli\u003eInducer or blower runs continuously or never starts\u003c\/li\u003e\n\u003cli\u003eNo diagnostic LED, or random\/inconsistent fault codes\u003c\/li\u003e\n\u003cli\u003eVisible burn marks, scorched relays, or corrosion on the board\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eShipping \u0026amp; Returns\u003c\/h3\u003e\n\u003cp\u003eShips same day on orders placed before 3 PM CST. 30-day hassle-free returns. Backed by the National HVAC Parts fitment guarantee.\u003c\/p\u003e","brand":"ICP","offers":[{"title":"OEM","offer_id":63027285295475,"sku":"1183618","price":285.94,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":63047567442291,"sku":"1183618-GEN","price":219.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-furnace-1183618_19a84b42-eaae-49e9-b9c4-18dc16d7e10c.jpg?v=1782889572","url":"https:\/\/nationalhvacparts.com\/products\/icp-furnace-control-board-kit-for-rgs243ssea0aaaa-oem-ignition-control-ships-today","provider":"National HVAC Parts","version":"1.0","type":"link"}