{"product_id":"oem-goodman-240-f-3in-primary-limit-switch-for-gmph050-3-1370903s","title":"OEM Goodman 240°F 3in Primary Limit Switch for GMPH050-3 — 1370903S","description":"\u003ch2\u003eGoodman 1370903S Primary Limit Switch\u003c\/h2\u003e\u003cp\u003eThe Goodman \u003cstrong\u003e1370903S\u003c\/strong\u003e is a genuine OEM primary high-limit switch engineered for the \u003cstrong\u003eGMPH050-3\u003c\/strong\u003e gas furnace and other compatible Goodman\/Amana models. This safety control opens the burner circuit if the heat exchanger temperature exceeds its 240°F trip point, protecting the furnace from overheating and preventing cracked heat exchangers, tripped breakers, and unsafe operation. A properly functioning limit switch is critical for safe, reliable heating.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 1370903S\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrip Temperature:\u003c\/strong\u003e 240°F (auto-reset)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsertion Depth:\u003c\/strong\u003e 3 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Primary high-limit switch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Goodman GMPH050-3 gas furnace\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount:\u003c\/strong\u003e 2-hole flange, spade terminals\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThis \u003cstrong\u003eOEM Goodman\u003c\/strong\u003e switch is calibrated to the exact factory trip point and dimensions, guaranteeing correct fit and safety response. Generic aftermarket limits may vary in calibration and insertion depth, risking nuisance trips or delayed shutoff. For a safety component, factory-spec is strongly recommended.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy\u003c\/strong\u003e — Typically a 15-minute job. Disconnect power, remove two mounting screws, transfer the spade connectors, and reinstall. No special tools required beyond a nut driver.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eAlways disconnect power before servicing. If unsure, consult a licensed HVAC technician.\u003c\/em\u003e\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058140430707,"sku":"GOODMAN-12015","price":29.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-240-f-3in-primary-limit-switch-for-gmph050-3-1370903s","provider":"National HVAC Parts","version":"1.0","type":"link"}