{"product_id":"oem-goodman-primary-limit-temperature-control-for-acvm970804cnba-20162905","title":"OEM Goodman Primary Limit Temperature Control for ACVM970804CNBA — 20162904","description":"\u003ch2\u003eGoodman 20162904 Primary Limit Temperature Control\u003c\/h2\u003e\u003cp\u003eThe Goodman 20162904 is a genuine OEM primary limit temperature control for \u003cstrong\u003eGoodman ACVM970804CNBA\u003c\/strong\u003e gas furnaces. Mounted on the heat-exchanger \/ blower deck, it continuously monitors supply-air temperature and shuts off the burners if the furnace overheats — typically from a dirty filter, blocked airflow, or a failed blower. As an auto-reset control, it restores operation once temperatures return to safe levels.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePart type: Primary high-limit temperature control\u003c\/li\u003e\n\u003cli\u003eOEM part number: 20162904\u003c\/li\u003e\n\u003cli\u003eReset: Automatic\u003c\/li\u003e\n\u003cli\u003eFunction: Supply-air overheat protection\u003c\/li\u003e\n\u003cli\u003eCompatible model: ACVM970804CNBA\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eOEM 20162904 ships with the factory-calibrated trip and reset temperatures and the correct sensing geometry. Generic limits with incorrect setpoints cause short-cycling or fail to protect the heat exchanger. For reliable safety operation, OEM is the right choice.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eModerate (2\/5).\u003c\/strong\u003e Power off, photograph wiring, disconnect terminals, remove mounting screws, and install the replacement in the same orientation. Confirm normal cycling after restart.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057495425395,"sku":"GOODMAN-3048","price":43.14,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-primary-limit-temperature-control-for-acvm970804cnba-20162905","provider":"National HVAC Parts","version":"1.0","type":"link"}