{"product_id":"oem-goodman-150-f-primary-limit-switch-for-ames960804cnaa-20162903","title":"OEM Goodman 150°F Primary Limit Switch for AMES960804CNAA — 20162903","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman 20162903 Primary Limit Switch\u003c\/strong\u003e is a genuine OEM 150°F high-limit safety control for \u003cstrong\u003eAmana AMES960804CNAA\u003c\/strong\u003e 96% AFUE gas furnaces. Mounted on the heat exchanger\/blower deck, this auto-reset thermal switch monitors supply-air temperature and cuts power to the burners if the furnace overheats — typically from restricted airflow, a dirty filter, or a failing blower — then automatically closes again once temperatures return to normal.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOEM Part Number: 20162903\u003c\/li\u003e\n\u003cli\u003eType: Primary high-limit switch, auto reset\u003c\/li\u003e\n\u003cli\u003eTrip Point: 150°F (opens on temperature rise)\u003c\/li\u003e\n\u003cli\u003eContacts: Normally closed\u003c\/li\u003e\n\u003cli\u003eBrand: Goodman \/ Amana\u003c\/li\u003e\n\u003cli\u003eFits Model: AMES960804CNAA\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe 150°F trip point is matched to the AMES960804 heat-exchanger design. Using the factory Goodman switch guarantees the furnace trips at the correct temperature for proper overheat protection. Generic limits with a different set point cause nuisance shutdowns or allow dangerous over-temperature operation. For any safety limit, insist on OEM.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eModerate (2\/5).\u003c\/strong\u003e Power down the furnace, remove the two mounting screws, transfer the two spade wires to the new switch, and remount. Straightforward for a handy DIYer, but a qualified HVAC technician is recommended. \u003cem\u003eIf the old limit was tripping, correct the underlying airflow problem before returning the furnace to service.\u003c\/em\u003e\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057597497715,"sku":"GOODMAN-4849","price":32.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-150-f-primary-limit-switch-for-ames960804cnaa-20162903","provider":"National HVAC Parts","version":"1.0","type":"link"}