{"product_id":"icp-furnace-control-board-for-wpg3484130lkc1-integrated-ignition-module-ships-today-1","title":"ICP Furnace Control Board for WPG3484130LKC1 — Integrated Ignition Module | Ships Today","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\u003cp\u003eThis OEM furnace circuit board (part #1178358) is the brain of your ICP Tempstar Heil WPG3484130LKC1. It sequences the entire heating cycle — energizing the inducer, proving the pressure switch, firing the hot surface igniter, opening the gas valve, monitoring flame, and timing the blower on\/off. Paired here with the ignition control module (part #1177661), it manages the safe light and shutdown of the burner. A failed board produces erratic behavior: no ignition, short cycling, the blower running constantly or not at all, or fault codes flashing on the diagnostic LED. Because the board ties every component together, a bad one can mimic many other failures.\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 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 Control Board\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\u003eControl Voltage\u003c\/td\u003e\n\u003ctd\u003e24V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunction\u003c\/td\u003e\n\u003ctd\u003eIgnition sequencing, blower timing, flame monitoring\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 WPG3484130LKC1 and related ICP-family furnaces using this integrated control and ignition module. Confirm the board's connector layout and part number against your original 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 breaker and verify zero voltage with a multimeter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccess\u003c\/strong\u003e — Remove the blower compartment service panel to reach the control board.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDocument\u003c\/strong\u003e — Photograph every wire harness and plug location before disconnecting anything.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemove\u003c\/strong\u003e — Unplug the connectors, remove the mounting screws\/standoffs, and lift out the old board.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall\u003c\/strong\u003e — Seat the new board, reconnect every harness exactly per your photo, and verify each plug is fully latched.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest\u003c\/strong\u003e — Restore power and watch a full heating cycle: inducer, igniter glow, ignition, and blower timing.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch3\u003eSigns You Need a Replacement\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eNo response at all when calling for heat\u003c\/li\u003e\n\u003cli\u003eIgniter never glows or gas valve never opens\u003c\/li\u003e\n\u003cli\u003eBlower runs continuously or never starts\u003c\/li\u003e\n\u003cli\u003eDiagnostic LED flashing a hard-lockout or board fault code\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":63027217727859,"sku":"1178358","price":214.5,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":63047538508147,"sku":"1178358-GEN","price":165.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-furnace-1178358_b9f57ab4-aac0-4bd3-a6d5-4ebc9a3232dd.jpg?v=1782888595","url":"https:\/\/nationalhvacparts.com\/products\/icp-furnace-control-board-for-wpg3484130lkc1-integrated-ignition-module-ships-today-1","provider":"National HVAC Parts","version":"1.0","type":"link"}