{"product_id":"oem-goodman-150-f-primary-limit-switch-for-gch950904cxab-20162903","title":"OEM Goodman 150°F Primary Limit Switch for GCH950904CXAB — 20162903","description":"\u003ch2\u003eOEM Goodman 20162903 Primary Limit Switch (150°F)\u003c\/h2\u003e\u003cp\u003eThis genuine OEM Goodman primary high-limit switch (part #20162903) is a direct-fit replacement for the \u003cstrong\u003eGoodman GCH950904CXAB\u003c\/strong\u003e gas furnace. This safety-critical control opens the gas circuit if the plenum air temperature exceeds its \u003cstrong\u003e150°F\u003c\/strong\u003e trip point, protecting the heat exchanger and blower housing from overheating caused by restricted airflow, a dirty filter, or blower failure.\u003c\/p\u003e\u003cp\u003eA failed or drifting limit switch is a frequent cause of short-cycling, no-heat lockouts, and repeated blower runaway. Replacing it with the correct factory-rated switch restores reliable, code-compliant overheat protection.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOEM Part Number: 20162903\u003c\/li\u003e\n\u003cli\u003eType: Primary high-limit \/ safety switch\u003c\/li\u003e\n\u003cli\u003eTrip Temperature: 150°F\u003c\/li\u003e\n\u003cli\u003eFunction: Opens gas valve circuit on over-temperature\u003c\/li\u003e\n\u003cli\u003eFits: Goodman GCH950904CXAB gas furnace\u003c\/li\u003e\n\u003cli\u003eBrand: Goodman (OEM)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003eOEM Goodman limit switch\u003c\/strong\u003e is calibrated to the exact 150°F trip point and mounting footprint engineered for this furnace. Because this is a safety device, a generic switch with a different set point can allow dangerous overheating or cause premature nuisance trips. Always use the OEM-rated part.\u003c\/p\u003e\u003ch3\u003eInstall Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy–Moderate (2\/5).\u003c\/strong\u003e Shut off power and gas, remove two mounting screws, disconnect the two wire terminals, and swap in the new switch. Takes about 15–20 minutes. Verify correct orientation against the heat-exchanger opening.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058064900467,"sku":"GOODMAN-9967","price":24.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-150-f-primary-limit-switch-for-gch950904cxab-20162903","provider":"National HVAC Parts","version":"1.0","type":"link"}