{"product_id":"oem-goodman-primary-limit-high-temp-control-for-amh80604bxbc-20162904","title":"OEM Goodman Primary Limit High-Temp Control for AMH80604BXBC — 20162904","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman 20162904 Primary Limit Temperature Control\u003c\/strong\u003e is the genuine OEM high-limit switch for the \u003cstrong\u003eAMH80604BXBC\u003c\/strong\u003e 80% AFUE gas furnace. Mounted on the heat exchanger bulkhead, it continuously senses supply-air temperature and opens the burner circuit if the furnace overheats — typically caused by a dirty filter, blocked ductwork, or a failed blower. It closes automatically once temperatures return to normal.\u003c\/p\u003e\u003cp\u003eThis is a critical overheat-protection component. A faulty or out-of-spec primary limit is a common cause of short-cycling and no-heat calls, so replacing it with the correctly calibrated OEM part restores reliable, safe operation.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eType: Primary high-limit temperature control\u003c\/li\u003e\n\u003cli\u003eReset: Automatic (self-resetting on temperature)\u003c\/li\u003e\n\u003cli\u003eMounting: Bracket \/ flange to heat-exchanger bulkhead\u003c\/li\u003e\n\u003cli\u003eTerminals: 1\/4 in. spade connectors\u003c\/li\u003e\n\u003cli\u003eOEM Part Number: 20162904\u003c\/li\u003e\n\u003cli\u003eFits: Goodman \/ Amana AMH80604BXBC and compatible furnaces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe 20162904 is factory-set to this furnace's specific cutout and cut-in temperatures and matches the OEM bracket geometry for correct sensor placement. Generic limits with different trip points or brackets can misread air temperature, causing nuisance trips or inadequate protection. OEM is recommended for this safety device.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (1\/5).\u003c\/strong\u003e Disconnect power, unplug the two spade wires, remove the mounting screws, and install the replacement in the same orientation. About 15 minutes for most DIYers.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057609130355,"sku":"GOODMAN-20162904","price":35.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-primary-limit-high-temp-control-for-amh80604bxbc-20162904","provider":"National HVAC Parts","version":"1.0","type":"link"}