{"product_id":"icp-control-board-kit-for-wpg3604090rkc1-ignition-control-module-ships-today-1","title":"ICP Control Board Kit for WPG3604090RKC1 — Ignition Control Module | Ships Today","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThis genuine OEM control board kit for the ICP \/ Tempstar \/ Heil WPG3604090RKC1 packaged gas-electric unit includes the main circuit board (part 1178358) and the ignition control module (part 1177661). Together they are the brain of the unit: managing the heating sequence of operations, sequencing the inducer, hot surface igniter, and gas valve, monitoring the pressure switch and limit safeties, proving flame, and timing the blower on and off. The board also handles the 24V control logic and onboard diagnostics, flashing fault codes through an LED to speed troubleshooting. When the board or ignition module fails, symptoms range from no-heat lockouts and short cycling to a blower that won't run or a unit that ignores the thermostat entirely.\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\u003eOEM Part Numbers\u003c\/td\u003e\n\u003ctd\u003e1178358 (Circuit Board), 1177661 (Ignition Control Module)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eIntegrated Furnace \/ Ignition Control Board\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\u003eLine Voltage\u003c\/td\u003e\n\u003ctd\u003e120V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Voltage\u003c\/td\u003e\n\u003ctd\u003e24V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFeatures\u003c\/td\u003e\n\u003ctd\u003eIgnition Sequencing, Safety Monitoring, LED Diagnostics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitment\u003c\/td\u003e\n\u003ctd\u003eOEM Direct Replacement\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 for the ICP \/ Tempstar \/ Heil WPG3604090RKC1 packaged gas-electric unit and compatible ICP-family equipment using circuit board 1178358 and ignition control module 1177661. Match the existing board part numbers and connector layout before ordering.\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 power at the unit disconnect and breaker, then verify zero voltage with a multimeter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccess\u003c\/strong\u003e — Remove the control\/electrical access panel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDocument\u003c\/strong\u003e — Photograph every connector and wire location on the board before disconnecting anything.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemove\u003c\/strong\u003e — Unplug each harness, release the board standoffs\/screws, and lift out the old board and module.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall\u003c\/strong\u003e — Mount the new board and ignition module, then reconnect every harness exactly per your photo.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest\u003c\/strong\u003e — Restore power, run a full heat and cool cycle, and confirm proper sequencing with no fault-code flashes.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eSigns You Need a Replacement\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eNo response to the thermostat — unit won't start heating or cooling.\u003c\/li\u003e\n\u003cli\u003eHard lockouts or fault-code LED indicating a control failure.\u003c\/li\u003e\n\u003cli\u003eBlower, inducer, or igniter won't energize in proper sequence.\u003c\/li\u003e\n\u003cli\u003eVisible burn marks, corrosion, or a failed relay on the board.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eShipping \u0026amp; Returns\u003c\/h3\u003e\n\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":63027216253299,"sku":"1178358","price":232.7,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":63047487095155,"sku":"1178358-GEN","price":179.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-furnace-1178358_c9e13eb3-c17f-4ad3-9423-acbec5a1af1a.jpg?v=1782886216","url":"https:\/\/nationalhvacparts.com\/products\/icp-control-board-kit-for-wpg3604090rkc1-ignition-control-module-ships-today-1","provider":"National HVAC Parts","version":"1.0","type":"link"}