{"product_id":"oem-goodman-primary-limit-control-for-amh80604bxbd-20162904","title":"OEM Goodman Primary Limit Control for AMH80604BXBD — 20162904","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman 20162904 Primary Limit Temperature Control\u003c\/strong\u003e is a genuine OEM high-limit safety switch for the Amana\/Goodman \u003cstrong\u003eAMH80604BXBD\u003c\/strong\u003e gas furnace. Mounted on the heat exchanger\/vestibule panel, it continuously monitors supply-air temperature and shuts off the gas valve if the furnace overheats — the most important safety device protecting the heat exchanger from cracking due to restricted airflow or blower failure.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eType: Primary (high) limit temperature control\u003c\/li\u003e\n\u003cli\u003eOEM Part Number: 20162904\u003c\/li\u003e\n\u003cli\u003eCompatible model: AMH80604BXBD\u003c\/li\u003e\n\u003cli\u003eFunction: Auto-reset high-temperature cutout for the gas valve circuit\u003c\/li\u003e\n\u003cli\u003eMounting: Factory bracket \/ heat-exchanger panel\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003egenuine OEM limit\u003c\/strong\u003e is calibrated to your furnace's exact trip temperature and matches the factory bracket and terminal layout for a true drop-in fit. Generic switches with the wrong trip point can allow overheating or cause repeated nuisance lockouts. For a safety-critical control, factory-spec matters.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy to Moderate\u003c\/strong\u003e — typically two mounting screws and two spade terminals. Cut power at the breaker first, photograph wiring before removal, and confirm the replacement matches the original trip rating.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057609490803,"sku":"GOODMAN-5251","price":35.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-primary-limit-control-for-amh80604bxbd-20162904","provider":"National HVAC Parts","version":"1.0","type":"link"}