{"product_id":"icp-furnace-control-board-kit-for-rgs120srab0aaa-oem-1183618-ships-today","title":"ICP Furnace Control Board Kit for RGS120SRAB0AAA — OEM 1183618 | Ships Today","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\u003cp\u003eThis genuine OEM Control Board Kit (Part #1183618) is the integrated furnace control (IFC) — the 'brain' of the ICP \/ Tempstar \/ Heil RGS120SRAB0AAA gas furnace. It manages the entire heating sequence: it reads the thermostat call, sequences the inducer motor, igniter, and gas valve, monitors safety switches and the flame sensor, controls the blower on\/off timing, and flashes diagnostic fault codes. When the board fails — often from power surges, heat stress, or failed relays — the furnace may be completely dead, fail to ignite, blow cold air, or short cycle. This kit restores full, code-compliant control of the heating system.\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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFits Model\u003c\/td\u003e\n\u003ctd\u003eRGS120SRAB0AAA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiagnostics\u003c\/td\u003e\n\u003ctd\u003eOnboard LED fault codes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFit\u003c\/td\u003e\n\u003ctd\u003eOEM Direct Replacement\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-family RGS120SRAB0AAA and related Tempstar, Heil, and Comfortmaker gas furnaces using this integrated control. As a factory kit it includes the necessary mounting and connection hardware. Always match your existing board part number before ordering.\u003c\/p\u003e\u003ch3\u003eInstallation Guide\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety First\u003c\/strong\u003e — Disconnect electrical power and gas. Verify zero voltage with a multimeter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccess\u003c\/strong\u003e — Remove the blower\/control compartment panel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDocument\u003c\/strong\u003e — Photograph every wiring connector and terminal on the board before disconnecting — this is critical for control boards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemove\u003c\/strong\u003e — Unplug each harness, release the board from its standoffs\/screws, and lift it out.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall\u003c\/strong\u003e — Mount the new board, set any jumpers\/dip switches to match the original, and reconnect each harness per your photos.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest\u003c\/strong\u003e — Restore power and gas, run a full heat cycle, and confirm proper ignition, blower timing, and 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 thermostat calls\u003c\/li\u003e\n\u003cli\u003eNo ignition sequence — inducer\/igniter\/gas valve don't activate\u003c\/li\u003e\n\u003cli\u003eBlower won't start or runs continuously\u003c\/li\u003e\n\u003cli\u003ePersistent or erratic LED fault codes \/ short cycling\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eShipping \u0026amp; Returns\u003c\/h3\u003e\u003cp\u003eShips same day on orders placed 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":63027539968371,"sku":"1183618","price":240.44,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":63047554367859,"sku":"1183618-GEN","price":184.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-furnace-1183618_bbc39c5c-8749-4a45-b66a-03db8ad2ad2b.jpg?v=1782889057","url":"https:\/\/nationalhvacparts.com\/products\/icp-furnace-control-board-kit-for-rgs120srab0aaa-oem-1183618-ships-today","provider":"National HVAC Parts","version":"1.0","type":"link"}