{"product_id":"icp-control-board-kit-for-rgs300ldfa0aaaa-furnace-control-ships-today","title":"ICP Control Board Kit for RGS300LDFA0AAAA — Furnace Control | Ships Today","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\u003cp\u003eThis OEM control board kit (part number 1183618) is the integrated furnace control (IFC) that manages every operating sequence in your ICP Tempstar Heil RGS300LDFA0AAAA furnace. It governs ignition timing, blower and inducer relays, safety interlocks, and the diagnostic LED fault codes. Supplied as a complete kit, it includes the board and the hardware needed for a clean swap. A failed board commonly causes a furnace that won't fire, blower or inducer motors that won't run, erratic short cycling, or blank\/flashing diagnostic codes. Replacing the IFC restores full automated control of the heating cycle.\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\u003eFunction\u003c\/td\u003e\n\u003ctd\u003eIgnition, Blower \u0026amp; Inducer Sequencing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncludes\u003c\/td\u003e\n\u003ctd\u003eControl Board + Mounting Hardware Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eBuilt for the ICP Tempstar Heil RGS300LDFA0AAAA and compatible RGS-series furnaces using this integrated furnace control. Match the connector layout and part number to your existing board 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 furnace switch and verify zero voltage with a multimeter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccess\u003c\/strong\u003e — Remove the furnace control\/blower compartment panel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDocument\u003c\/strong\u003e — Photograph every wire harness and connector position before disconnecting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemove\u003c\/strong\u003e — Unplug all connectors and unscrew the old board from its standoffs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall\u003c\/strong\u003e — Mount the new board on the standoffs and reconnect each harness exactly per your photo.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest\u003c\/strong\u003e — Restore power and verify a full heat cycle: inducer, ignition, burners, and blower in sequence.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch3\u003eSigns You Need a Replacement\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFurnace will not ignite or start a heat cycle\u003c\/li\u003e\n\u003cli\u003eBlower or inducer motor fails to run\u003c\/li\u003e\n\u003cli\u003eErratic short cycling or no response to thermostat\u003c\/li\u003e\n\u003cli\u003eBlank or rapidly flashing diagnostic LED codes\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":63027280118131,"sku":"1183618","price":220.94,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":63047477985651,"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_c8c9ba98-34bf-4a9d-a35b-020020acff8e.jpg?v=1782885888","url":"https:\/\/nationalhvacparts.com\/products\/icp-control-board-kit-for-rgs300ldfa0aaaa-furnace-control-ships-today","provider":"National HVAC Parts","version":"1.0","type":"link"}