{"product_id":"oem-goodman-150-f-primary-limit-switch-for-ames800805cxaa-20162903","title":"OEM Goodman 150°F Primary Limit Switch for AMES800805CXAA — 20162903","description":"\u003ch2\u003eGoodman 20162903 Primary Limit Switch (150°F)\u003c\/h2\u003e\u003cp\u003eThis genuine OEM Goodman \u003cstrong\u003eprimary limit switch\u003c\/strong\u003e (part #20162903) is the factory high-limit safety control for the \u003cstrong\u003eAMES800805CXAA\u003c\/strong\u003e gas furnace and compatible Goodman\/Amana models. Mounted on the heat exchanger, it opens the ignition\/gas circuit if plenum temperature exceeds the 150°F trip point, protecting the furnace and your home from overheating caused by restricted airflow, a dirty filter, or a failed blower.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOEM Part Number: 20162903\u003c\/li\u003e\n\u003cli\u003eTrip Temperature: 150°F (auto-reset)\u003c\/li\u003e\n\u003cli\u003eFunction: Primary high-limit safety switch\u003c\/li\u003e\n\u003cli\u003eCompatibility: Goodman\/Amana AMES800805CXAA and related furnaces\u003c\/li\u003e\n\u003cli\u003eType: Bi-metallic disc, normally closed\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe genuine OEM switch is calibrated to the exact factory trip point and mounting footprint, ensuring reliable safety cutout and correct furnace cycling. Generic universal limits may require bracket modification and can trip early or late, causing nuisance lockouts or unsafe operation. For a critical safety component, OEM is strongly recommended.\u003c\/p\u003e\u003ch3\u003eInstall Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (2\/5).\u003c\/strong\u003e Two mounting screws and two spade terminals. Always shut off power and gas before servicing. Basic DIY skill required — no special tools.\u003c\/p\u003e\u003cp\u003eBacked by genuine OEM quality and fast shipping from National HVAC Parts.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057592025459,"sku":"GOODMAN-4670","price":18.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-150-f-primary-limit-switch-for-ames800805cxaa-20162903","provider":"National HVAC Parts","version":"1.0","type":"link"}