{"product_id":"oem-goodman-150-f-primary-limit-switch-for-gmh950704cxac-20162903","title":"OEM Goodman 150°F Primary Limit Switch for GMH950704CXAC — 20162903","description":"\u003cp\u003eThe Goodman \u003cstrong\u003e20162903 Primary Limit Switch\u003c\/strong\u003e is a genuine OEM \u003cstrong\u003e150°F\u003c\/strong\u003e high-limit safety control for the \u003cstrong\u003eGMH950704CXAC\u003c\/strong\u003e 96% AFUE gas furnace. It continuously monitors heat-exchanger temperature and shuts off the burners if the furnace overheats — a critical safety device that protects against restricted airflow, dirty filters, or blower failure.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePart number: 20162903\u003c\/li\u003e\n\u003cli\u003eTrip point: 150°F (auto-reset)\u003c\/li\u003e\n\u003cli\u003eType: Primary high-limit safety switch\u003c\/li\u003e\n\u003cli\u003eFunction: De-energizes gas valve on overheat\u003c\/li\u003e\n\u003cli\u003eCompatibility: Goodman GMH950704CXAC gas furnace\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eLimit switches are life-safety components — trip temperature and mounting must match factory spec exactly. Genuine OEM switches are calibrated and rated for this furnace; generic switches with the wrong cut-out point can allow dangerous overheating or cause repeated nuisance lockouts. Always replace with the correct OEM part.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy–Moderate (2\/5).\u003c\/strong\u003e Two mounting screws and two spade terminals; shut off power and gas first. Never bypass a limit switch. If the switch keeps tripping, diagnose the airflow root cause with a licensed technician.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058115985779,"sku":"GOODMAN-11258","price":29.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-150-f-primary-limit-switch-for-gmh950704cxac-20162903","provider":"National HVAC Parts","version":"1.0","type":"link"}