{"product_id":"icp-hot-surface-igniter-kit-for-rgs121lsbb0aaaa-with-wiring-harness-ships-today","title":"ICP Hot Surface Igniter Kit for RGS121LSBB0AAAA — With Wiring Harness | Ships Today","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThis genuine OEM hot surface igniter (part number 1171306) with its matching wiring kit (part number 1188370) is the ignition component for the ICP RGS121LSBB0AAAA gas furnace. When the furnace calls for heat, the control board sends voltage to the igniter, which glows white-hot to light the burners. Hot surface igniters are brittle and degrade over time — thermal cycling eventually cracks the silicon carbide or nitride element, leaving a furnace that clicks, draws, but never lights. Because the igniter is the single most common no-heat failure point, replacing it with the correct OEM element and harness is the fastest way to restore reliable ignition. The included wiring kit ensures a clean, factory-correct connection and eliminates brittle, heat-damaged leads.\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 (Igniter)\u003c\/td\u003e\n\u003ctd\u003e1171306\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number (Wiring Kit)\u003c\/td\u003e\n\u003ctd\u003e1188370\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eHot Surface Igniter\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\u003eFunction\u003c\/td\u003e\n\u003ctd\u003eBurner Ignition\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFits Model\u003c\/td\u003e\n\u003ctd\u003eRGS121LSBB0AAAA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eDesigned as the factory replacement for the ICP RGS121LSBB0AAAA and the Tempstar, Heil, and Comfortmaker furnaces that share this igniter and harness assembly. Handle the element only by its ceramic base — skin oils and rough handling shorten igniter life.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guide\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety First\u003c\/strong\u003e — Shut off gas and disconnect power, then verify zero voltage with a multimeter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccess\u003c\/strong\u003e — Remove the burner compartment service panel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDocument\u003c\/strong\u003e — Photograph the igniter position and wiring before disconnecting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemove\u003c\/strong\u003e — Unplug the igniter harness and remove the mounting screw; lift out the cracked igniter without touching the element.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall\u003c\/strong\u003e — Mount the new igniter, route and connect the new wiring kit per your photo.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest\u003c\/strong\u003e — Restore gas and power, then watch a full ignition cycle to confirm the igniter glows and the burners light.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eSigns You Need a Replacement\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFurnace clicks and the inducer runs but burners never light\u003c\/li\u003e\n\u003cli\u003eIgniter shows visible cracks or no longer glows\u003c\/li\u003e\n\u003cli\u003eIntermittent no-heat, especially on cold mornings\u003c\/li\u003e\n\u003cli\u003eControl board locks out after repeated failed ignition attempts\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":63027474202995,"sku":"1171306","price":48.04,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":63047689929075,"sku":"1171306-GEN","price":36.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-igniter-silicon-carbide-1171306_b0550f6c-47df-4ae5-b0a2-fdbc69aa5b83.jpg?v=1782894106","url":"https:\/\/nationalhvacparts.com\/products\/icp-hot-surface-igniter-kit-for-rgs121lsbb0aaaa-with-wiring-harness-ships-today","provider":"National HVAC Parts","version":"1.0","type":"link"}