{"product_id":"oem-goodman-primary-limit-temperature-switch-for-gmh950453bxaf-20162904","title":"OEM Goodman Primary Limit Temperature Switch for GMH950453BXAF — 20162904","description":"\u003ch2\u003eGoodman 20162904 Primary Limit Temperature Control\u003c\/h2\u003e\u003cp\u003eThe Goodman \u003cstrong\u003e20162904\u003c\/strong\u003e is a genuine OEM primary high-limit temperature control for the \u003cstrong\u003eGMH950453BXAF\u003c\/strong\u003e 96% AFUE two-stage gas furnace and compatible Goodman\/Amana models. This safety switch monitors heat-exchanger temperature and shuts off the burners if the furnace overheats — protecting the equipment and your home from unsafe conditions caused by restricted airflow or blower failure.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOEM Part Number: 20162904\u003c\/li\u003e\n\u003cli\u003eComponent Type: Primary limit \/ high-limit switch\u003c\/li\u003e\n\u003cli\u003eFunction: Auto-reset thermal safety cutout\u003c\/li\u003e\n\u003cli\u003eMounting: Furnace heat-exchanger \/ vestibule panel\u003c\/li\u003e\n\u003cli\u003eFits: Goodman GMH950453BXAF furnace\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003eOEM 20162904\u003c\/strong\u003e is calibrated to the exact trip temperature Goodman specifies for this furnace, ensuring reliable safety operation and correct fit. \u003cstrong\u003eGeneric\u003c\/strong\u003e limit switches cost less but must match the cutout temperature and mounting profile exactly — a mismatch can cause nuisance shutdowns or fail to protect the unit. For a safety component, OEM is recommended.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eModerate (2\/5)\u003c\/strong\u003e — Disconnect power, remove the two mounting screws and wire connectors, and install the new switch in the same orientation. Typical time: 15–20 minutes with a nut driver. Recommend a technician diagnose the root cause of any limit trip.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eFits Goodman GMH950453BXAF. Verify part number before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058112479603,"sku":"GOODMAN-11147","price":44.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-primary-limit-temperature-switch-for-gmh950453bxaf-20162904","provider":"National HVAC Parts","version":"1.0","type":"link"}