{"product_id":"oem-goodman-hot-surface-igniter-for-wfm18115s5cxcb-20165703s","title":"OEM Goodman Hot Surface Igniter for WFM18115S5CXCB — 20165703S","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman 20165703S Hot Surface Igniter\u003c\/strong\u003e is the genuine OEM ignition source for the \u003cstrong\u003eWFM18115S5CXCB\u003c\/strong\u003e gas furnace. When the thermostat calls for heat and draft is proven, the control board energizes this igniter until it glows red-hot, lighting the burners cleanly and reliably. A weak or cracked igniter is the single most common cause of no-heat furnace calls, making this an essential repair and spare part.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eType: Hot Surface Igniter (HSI)\u003c\/li\u003e\n\u003cli\u003eVoltage: 120V (integrated furnace control energized)\u003c\/li\u003e\n\u003cli\u003eElement: High-durability ceramic\/silicon-nitride style\u003c\/li\u003e\n\u003cli\u003eMount: Direct-fit OEM bracket for WFM series\u003c\/li\u003e\n\u003cli\u003eIncludes: Igniter with connector lead\u003c\/li\u003e\n\u003cli\u003eOEM Part Number: 20165703S\u003c\/li\u003e\n\u003cli\u003eFits: Goodman WFM18115S5CXCB and compatible furnaces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003eOEM 20165703S\u003c\/strong\u003e matches the correct resistance, glow profile, and mounting geometry for your furnace. Universal aftermarket igniters require adapter kits and often fail prematurely from improper positioning in the flame path. OEM ensures consistent light-off and longer service life.\u003c\/p\u003e\u003ch3\u003eInstall Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eModerate (3\/5).\u003c\/strong\u003e Kill power, unplug the igniter connector, remove the mounting screw, and install the new unit — \u003cem\u003ehandle the ceramic element by the bracket only, never touch the glow area\u003c\/em\u003e, as skin oils cause hot-spot failure. Roughly 20 minutes.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058228773235,"sku":"GOODMAN-14142","price":79.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-hot-surface-igniter-for-wfm18115s5cxcb-20165703s","provider":"National HVAC Parts","version":"1.0","type":"link"}