{"product_id":"oem-goodman-120-f-auxiliary-limit-switch-for-gmnt040-3-b1370113","title":"OEM Goodman 120°F Auxiliary Limit Switch for GMNT040-3 — B1370113","description":"\u003ch2\u003eGoodman B1370113 120°F Auxiliary Limit Switch\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eB1370113\u003c\/strong\u003e is a genuine OEM auxiliary (rollout\/high) limit switch rated at 120°F for Goodman \u003cstrong\u003eGMNT040-3\u003c\/strong\u003e gas furnaces. This normally-closed safety control opens the gas or blower circuit when it detects abnormal heat, protecting the furnace from overheating. Replace it when the furnace short-cycles on limit, won't fire, or the switch fails a continuity test at room temperature.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrip Temperature:\u003c\/strong\u003e 120°F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Auxiliary \/ high-limit safety switch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContacts:\u003c\/strong\u003e Normally closed (opens on over-temp)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Furnace safety control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Goodman GMNT040-3 furnace\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part:\u003c\/strong\u003e B1370113\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe OEM switch carries the exact 120°F trip point and mounting profile the GMNT040-3 was engineered around. Generic switches with a different rating can nuisance-trip or, worse, fail to protect — always match the OEM temperature spec on a safety component.\u003c\/p\u003e\u003ch3\u003eInstall Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy.\u003c\/strong\u003e Power off the furnace, remove two mounting screws, transfer the spade connectors, and secure the new switch. A quick 10-minute repair for most DIYers.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058127126899,"sku":"GOODMAN-11604","price":10.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-120-f-auxiliary-limit-switch-for-gmnt040-3-b1370113","provider":"National HVAC Parts","version":"1.0","type":"link"}