{"product_id":"oem-goodman-auxiliary-limit-auto-reset-switch-for-gmp100-5-20269903","title":"OEM Goodman Auxiliary Limit Auto-Reset Switch for GMP100-5 — 20269903","description":"\u003cp\u003eThe genuine OEM Goodman \u003cstrong\u003e20269903 Auxiliary Limit Auto-Reset Switch\u003c\/strong\u003e is a factory safety high-limit control designed for the \u003cstrong\u003eGoodman GMP100-5\u003c\/strong\u003e gas furnace and compatible Amana models. This normally-closed thermal switch monitors heat-exchanger and cabinet temperatures, opening the circuit to shut down the burners if the furnace overheats, then automatically resetting once temperatures return to a safe range — no manual intervention required.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePart number: 20269903\u003c\/li\u003e\n\u003cli\u003eType: Auxiliary auto-reset limit \/ high-limit switch\u003c\/li\u003e\n\u003cli\u003eFunction: Normally-closed thermal safety cutout\u003c\/li\u003e\n\u003cli\u003eReset: Automatic\u003c\/li\u003e\n\u003cli\u003eFits: Goodman GMP100-5 and compatible Goodman\/Amana furnaces\u003c\/li\u003e\n\u003cli\u003eGenuine OEM Goodman replacement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eGenuine OEM Goodman switches are calibrated to the exact trip and reset temperatures specified for your furnace, protecting the heat exchanger and preserving your equipment warranty. Aftermarket \"universal\" limit switches may trip at incorrect setpoints, causing nuisance shutdowns or, worse, failing to protect against overheating. For a safety-critical control, OEM is the recommended choice.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy to Moderate.\u003c\/strong\u003e A competent DIYer can swap this part in 15–20 minutes with basic hand tools. Always disconnect power at the furnace before servicing. If you are unsure about wiring or the cause of repeated limit trips, consult a licensed HVAC technician, as recurring high-limit faults often indicate airflow problems.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058137121139,"sku":"GOODMAN-11890","price":10.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-auxiliary-limit-auto-reset-switch-for-gmp100-5-20269903","provider":"National HVAC Parts","version":"1.0","type":"link"}