{"product_id":"tempstar-hot-surface-igniter-for-t8mpl100j20b2-hsi-kit-ships-today","title":"Tempstar Hot Surface Igniter for T8MPL100J20B2 — HSI Kit | Ships Today","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThis is the genuine OEM hot surface igniter (HSI, part number 1172533) for the Tempstar T8MPL100J20B2 gas furnace. The igniter glows red-hot when the control board energizes it, lighting the gas at the burners during each heat cycle. Hot surface igniters are brittle and wear out from repeated thermal cycling — a hairline crack or burned-through element will leave the furnace unable to light. This listing also covers the related Honeywell VR8205S snap-mount gas valve (part number 1175705) used in the same ignition system, so technicians can source both ignition components for the model in one place. Symptoms of a failed igniter include the inducer running and the igniter never glowing, or glowing weakly without lighting the burners.\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\u003eIgniter Part Number\u003c\/td\u003e\n\u003ctd\u003e1172533\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGas Valve Part Number\u003c\/td\u003e\n\u003ctd\u003e1175705 (Honeywell VR8205S)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eHot Surface Igniter (HSI)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eTempstar (ICP \/ Heil family)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e120V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Type\u003c\/td\u003e\n\u003ctd\u003eSnap-mount, 24V (VR8205S)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitment\u003c\/td\u003e\n\u003ctd\u003eOEM exact-fit\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 for the Tempstar T8MPL100J20B2 furnace and other ICP \/ Heil \/ Comfortmaker \/ Tempstar models using this HSI and the Honeywell VR8205S gas valve. Confirm your igniter terminal style and valve model 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 and shut off the gas supply, 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 — Photo the igniter wiring and gas valve connections before disconnecting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemove\u003c\/strong\u003e — Unplug the igniter harness and unscrew the igniter bracket; handle by the ceramic base only, never the element.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall\u003c\/strong\u003e — Mount the new igniter without touching the element, reconnect the harness 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 a clean glow and burner light-off.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eSigns You Need a Replacement\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIgniter never glows on a call for heat\u003c\/li\u003e\n\u003cli\u003eVisible crack, blister, or burned-through element\u003c\/li\u003e\n\u003cli\u003eFurnace locks out after several failed ignition attempts\u003c\/li\u003e\n\u003cli\u003eWeak orange glow that fails to light the burners\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":"Tempstar","offers":[{"title":"Direct Replacement","offer_id":63021776568691,"sku":"1172533-GEN","price":34.95,"currency_code":"USD","in_stock":true},{"title":"OEM","offer_id":63048452702579,"sku":"1172533","price":45.44,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-igniter-silicon-carbide-1172533_d08f7ea3-4f81-430e-935f-4dab725dbe1b.jpg?v=1782960150","url":"https:\/\/nationalhvacparts.com\/products\/tempstar-hot-surface-igniter-for-t8mpl100j20b2-hsi-kit-ships-today","provider":"National HVAC Parts","version":"1.0","type":"link"}