{"product_id":"oem-goodman-hot-surface-ignitor-for-gmp100-4-furnace-20261709s","title":"OEM Goodman Hot Surface Ignitor for GMP100-4 Furnace — 20261709S","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman 20261709S Hot Surface Ignitor\u003c\/strong\u003e is a genuine OEM ignition component for the Goodman \u003cstrong\u003eGMP100-4\u003c\/strong\u003e gas furnace. A failed or cracked hot surface ignitor (HSI) is the single most common cause of no-heat calls — this OEM replacement restores fast, reliable burner ignition and returns your furnace to dependable service.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Hot surface ignitor (HSI)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Electrically heated ignition element for gas burners\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFit:\u003c\/strong\u003e Goodman GMP100-4 and compatible furnace models\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e 20261709S\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Goodman (genuine OEM)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe genuine OEM ignitor uses Goodman's factory element material and mounting bracket, delivering the correct resistance and glow temperature for consistent light-off. Universal aftermarket ignitors often require bracket adapters and may have shorter service life. When reliable heat matters, OEM is the recommended path.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eModerate (2 of 5).\u003c\/strong\u003e Disconnect power, remove the single mounting screw and the two-pin connector, and replace — handle the fragile ignitor element by the ceramic base only, never the hot surface. A DIY-capable homeowner can complete this in about 15 minutes.\u003c\/p\u003e\u003cp\u003eConfirm OEM number 20261709S matches your existing ignitor before ordering to ensure correct fit on your GMP100-4.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058137022835,"sku":"GOODMAN-11887","price":54.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-hot-surface-ignitor-for-gmp100-4-furnace-20261709s","provider":"National HVAC Parts","version":"1.0","type":"link"}