{"product_id":"oem-goodman-240f-primary-limit-switch-7in-for-gmp125-5-b1370912s","title":"OEM Goodman 240F Primary Limit Switch 7in for GMP125-5 — B1370912S","description":"\u003cp\u003eThe Goodman \u003cstrong\u003eB1370912S Primary Limit Switch\u003c\/strong\u003e is a genuine OEM high-limit safety control for the \u003cstrong\u003eGMP125-5\u003c\/strong\u003e gas furnace and compatible models. It features a \u003cstrong\u003e240°F\u003c\/strong\u003e trip point on a \u003cstrong\u003e7-inch\u003c\/strong\u003e insert probe that reaches into the heat exchanger air stream. If supply-air temperature climbs past the setpoint — usually from restricted airflow or blower failure — the switch opens to shut off the gas valve and prevent heat-exchanger damage, then automatically resets once the plenum cools.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePart number: B1370912S\u003c\/li\u003e\n\u003cli\u003eTrip temperature: 240°F (open on rise)\u003c\/li\u003e\n\u003cli\u003eInsert \/ probe length: 7 inches\u003c\/li\u003e\n\u003cli\u003eType: Auto-reset primary high-limit switch\u003c\/li\u003e\n\u003cli\u003eContacts: Normally closed\u003c\/li\u003e\n\u003cli\u003eFits: GMP125-5 and compatible Goodman furnaces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThis OEM limit is matched to the GMP125-5's exact trip temperature and probe length. A generic limit with the wrong setpoint or insert length can nuisance-trip on normal heating cycles or fail to protect the heat exchanger. For a safety limit, use the OEM part.\u003c\/p\u003e\u003ch3\u003eInstall Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (2\/5).\u003c\/strong\u003e Disconnect power, remove the two mounting screws, unplug the spade terminals, and slide the new limit into the same opening with the probe fully inserted. If the old limit was tripping, correct the underlying airflow problem (dirty filter, failed blower, closed registers) before returning to service.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058138169715,"sku":"GOODMAN-11924","price":24.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-240f-primary-limit-switch-7in-for-gmp125-5-b1370912s","provider":"National HVAC Parts","version":"1.0","type":"link"}