{"product_id":"oem-goodman-120-f-auxiliary-limit-switch-for-gmp100-3-b1370113","title":"OEM Goodman 120°F Auxiliary Limit Switch for GMP100-3 — B1370113","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman B1370113 Auxiliary Limit Switch\u003c\/strong\u003e is a genuine OEM safety control for the \u003cstrong\u003eGoodman GMP100-3\u003c\/strong\u003e gas furnace, rated to open at \u003cstrong\u003e120°F\u003c\/strong\u003e. This auxiliary (secondary) limit monitors temperature in the blower or supply area and cuts power to the gas valve if the furnace overheats — typically from a dirty filter, blocked airflow, or blower failure. A failed limit switch can cause no-heat conditions or, worse, allow unsafe overheating, so a correctly rated replacement is essential.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e B1370113\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Auxiliary \/ secondary limit switch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrip Temperature:\u003c\/strong\u003e 120°F (opens on rise)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits Model:\u003c\/strong\u003e Goodman GMP100-3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Limit Switch (Safety Control)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Goodman (OEM)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eLimit switches are calibrated safety devices — the trip temperature and mounting must match the furnace exactly. This OEM B1370113 is set to the factory 120°F rating with the correct terminal and bracket geometry. A generic switch with the wrong setpoint can nuisance-trip or fail to protect the furnace. Always match OEM rating on safety controls.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy\u003c\/strong\u003e — mounts with two screws and connects via spade terminals. Still, it is a safety component; a qualified technician should confirm the correct location and rating and test furnace operation after replacement.\u003c\/p\u003e\u003cp\u003eShut off gas and power before servicing. Verify your model and serial before ordering; contact info@nationalhvacparts.com for help.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057148150131,"sku":"GOODMAN-B1370113","price":10.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-120-f-auxiliary-limit-switch-for-gmp100-3-b1370113","provider":"National HVAC Parts","version":"1.0","type":"link"}