{"product_id":"oem-goodman-m4-primary-high-limit-switch-for-amh80905cxcc-20162906","title":"OEM Goodman M4 Primary High Limit Switch for AMH80905CXCC — 20162906","description":"\u003ch2\u003eGoodman 20162906 M4 Primary Limit Switch\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eGoodman 20162906\u003c\/strong\u003e is a genuine OEM M4 primary high-limit switch built for the \u003cstrong\u003eAMH80905CXCC\u003c\/strong\u003e gas furnace and other compatible Goodman and Amana models. Mounted on the heat exchanger bulkhead, this thermal limit continuously monitors supply-air temperature and shuts down the burners if the furnace overheats due to restricted airflow or a failed blower.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eType: Primary high-limit switch (M4 series)\u003c\/li\u003e\n\u003cli\u003eFunction: Automatic thermal high-limit cutoff\u003c\/li\u003e\n\u003cli\u003eReset: Automatic\u003c\/li\u003e\n\u003cli\u003eFits: Goodman\/Amana AMH80905CXCC and compatible furnaces\u003c\/li\u003e\n\u003cli\u003eTerminal style: 1\/4 in. quick-connect spade\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003eOEM limit switch\u003c\/strong\u003e is factory-set to the exact open\/close temperatures matched to this furnace's heat exchanger, preserving proper cycling and safety. A \u003cstrong\u003egeneric replacement\u003c\/strong\u003e can substitute if temperature ratings match, but mismatched trip points cause nuisance shutdowns or unsafe operation. OEM is recommended for this safety part.\u003c\/p\u003e\u003ch3\u003eInstallation\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eDifficulty: Easy (2\/5).\u003c\/strong\u003e Turn off power, disconnect the two wire leads, remove the two mounting screws from the heat-exchanger panel, and install the new limit in the same orientation. Roughly a 15-minute repair for a technician.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057636786547,"sku":"GOODMAN-5902","price":27.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-m4-primary-high-limit-switch-for-amh80905cxcc-20162906","provider":"National HVAC Parts","version":"1.0","type":"link"}