{"product_id":"oem-goodman-150-f-primary-limit-switch-for-gks90704cxab-20162903","title":"OEM Goodman 150°F Primary Limit Switch for GKS90704CXAB — 20162903","description":"\u003cp\u003eThe Goodman \u003cstrong\u003e20162903 Primary Limit Switch\u003c\/strong\u003e is a genuine OEM safety control for the \u003cstrong\u003eGKS90704CXAB\u003c\/strong\u003e gas furnace and compatible Goodman\/Amana models. This normally-closed limit switch opens at \u003cstrong\u003e150°F\u003c\/strong\u003e to shut down the burners if the heat exchanger overheats or airflow is lost, protecting your equipment and your home. A failed or drifting limit switch is a common cause of short-cycling, no-heat lockouts, and repeated flame roll-out faults.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOEM Goodman part number: 20162903\u003c\/li\u003e\n\u003cli\u003eType: Primary high-limit safety switch (auto-reset)\u003c\/li\u003e\n\u003cli\u003eOpen temperature: 150°F\u003c\/li\u003e\n\u003cli\u003eFits: GKS90704CXAB and compatible 90-series furnaces\u003c\/li\u003e\n\u003cli\u003eTerminals: 1\/4 in. quick-connect\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe genuine OEM switch is calibrated to the exact trip temperature Goodman engineered for this furnace's heat exchanger, ensuring the burners cut out at the correct point. Generic aftermarket limits often use approximate set points that can trip early (nuisance no-heat calls) or late (reduced protection). For a life-safety component, OEM is the recommended choice.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy – Intermediate.\u003c\/strong\u003e Requires cutting power, removing the burner-compartment panel, unplugging two spade terminals, and swapping the switch. Most handy homeowners complete it in under 20 minutes; if you're unsure about gas-appliance safety controls, use a licensed HVAC technician.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058091737459,"sku":"GOODMAN-20162903","price":24.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-150-f-primary-limit-switch-for-gks90704cxab-20162903","provider":"National HVAC Parts","version":"1.0","type":"link"}