{"product_id":"oem-goodman-150-f-primary-limit-switch-for-gmh950905dxab-20162903","title":"OEM Goodman 150°F Primary Limit Switch for GMH950905DXAB — 20162903","description":"\u003ch2\u003eGoodman 20162903 Primary Limit Switch (150°F)\u003c\/h2\u003e\u003cp\u003eThe Goodman \u003cstrong\u003e20162903\u003c\/strong\u003e is a genuine OEM primary high-limit switch rated to open at \u003cstrong\u003e150°F\u003c\/strong\u003e, designed for the \u003cstrong\u003eGMH950905DXAB\u003c\/strong\u003e 96% AFUE gas furnace. Mounted on the heat exchanger or blower deck, this normally-closed safety switch shuts off the burners if the furnace overheats — protecting the heat exchanger from cracking and preventing a fire hazard. A failed limit switch causes short-cycling, no-heat calls, or a furnace that runs the blower continuously.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePart number: 20162903\u003c\/li\u003e\n\u003cli\u003eTrip temperature: 150°F (open on rise)\u003c\/li\u003e\n\u003cli\u003eType: Automatic-reset primary high-limit switch\u003c\/li\u003e\n\u003cli\u003eContacts: Normally closed (SPST)\u003c\/li\u003e\n\u003cli\u003eFits: Goodman GMH950905DXAB and compatible furnaces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eLimit switches are calibrated safety devices — the trip point and mounting geometry must match exactly. This genuine Goodman OEM switch is factory-set to 150°F. Generic switches with different setpoints can allow dangerous overheating or cause premature shutdowns.\u003c\/p\u003e\u003ch3\u003eInstall Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (2\/5).\u003c\/strong\u003e Two-screw mount with quick-connect terminals. Cut power, note wiring, unscrew the old switch, and install the replacement in the same orientation. About 15 minutes.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058121884019,"sku":"GOODMAN-11427","price":24.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-150-f-primary-limit-switch-for-gmh950905dxab-20162903","provider":"National HVAC Parts","version":"1.0","type":"link"}