{"product_id":"oem-goodman-l250-primary-limit-switch-for-amh80403axba-20162901","title":"OEM Goodman L250 Primary Limit Switch for AMH80403AXBA — 20162901","description":"\u003cp\u003eThe Goodman \u003cstrong\u003e20162901 Primary Limit Switch\u003c\/strong\u003e is a genuine OEM safety control designed for the Amana\/Goodman \u003cstrong\u003eAMH80403AXBA\u003c\/strong\u003e 80% gas furnace and compatible model families. This normally-closed thermal cutout continuously monitors heat-exchanger and plenum temperature, cutting power to the gas valve and igniter if the furnace overheats due to restricted airflow, a dirty filter, or a failed blower. A properly functioning primary limit switch is essential for safe operation and prevents nuisance lockouts and heat-exchanger damage.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePart type: Primary high-limit switch (auto-reset)\u003c\/li\u003e\n\u003cli\u003eOEM Part Number: 20162901\u003c\/li\u003e\n\u003cli\u003eFits: Goodman\/Amana AMH80403AXBA and related 80% furnaces\u003c\/li\u003e\n\u003cli\u003eFunction: Normally-closed thermal safety cutout\u003c\/li\u003e\n\u003cli\u003eMounting: Direct furnace vestibule \/ heat-exchanger mount\u003c\/li\u003e\n\u003cli\u003eBrand: Goodman (Amana equipment)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThis is a \u003cstrong\u003egenuine OEM 20162901\u003c\/strong\u003e switch calibrated to the exact factory trip temperature for your furnace, ensuring correct safety response. Generic aftermarket limits may use a different set point, which can cause premature tripping or fail to protect the heat exchanger. For a critical safety component, OEM is strongly recommended.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (2\/5)\u003c\/strong\u003e — Typically two mounting screws and two spade connectors. Always shut off power and gas before servicing. If you are unsure, consult a licensed HVAC technician.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057600577907,"sku":"GOODMAN-4965","price":26.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-l250-primary-limit-switch-for-amh80403axba-20162901","provider":"National HVAC Parts","version":"1.0","type":"link"}