{"product_id":"oem-goodman-150-f-primary-limit-switch-for-gks90905dxab-20162903","title":"OEM Goodman 150°F Primary Limit Switch for GKS90905DXAB — 20162903","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman 20162903 Primary Limit Switch\u003c\/strong\u003e is a genuine OEM high-limit safety control rated to trip at \u003cstrong\u003e150°F\u003c\/strong\u003e, designed for the \u003cstrong\u003eGKS90905DXAB\u003c\/strong\u003e gas furnace and compatible Goodman\/Amana models. Mounted on the heat exchanger or blower housing, it monitors supply-air temperature and shuts off the burners if the furnace overheats — protecting the heat exchanger and preventing fire hazards.\u003c\/p\u003e\u003cp\u003eA failed limit switch is a common cause of short-cycling, no-heat calls, or a furnace that locks out on a limit fault. Replacing this low-cost safety component restores normal operation and keeps the furnace protected.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOEM Part Number: 20162903\u003c\/li\u003e\n\u003cli\u003eCategory: Limit Switch (Primary \/ High Limit)\u003c\/li\u003e\n\u003cli\u003eTrip Temperature: 150°F (auto-reset)\u003c\/li\u003e\n\u003cli\u003eFunction: Overheat \/ high-temperature safety cutoff\u003c\/li\u003e\n\u003cli\u003eCompatible Model: GKS90905DXAB\u003c\/li\u003e\n\u003cli\u003eBrand: Goodman \/ Amana\u003c\/li\u003e\n\u003cli\u003eEquipment Type: Gas Furnace\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003eOEM\u003c\/strong\u003e limit switch is calibrated to the exact 150°F factory trip point your furnace was designed around, ensuring reliable protection. \u003cstrong\u003eGeneric\u003c\/strong\u003e switches may trip early or late, causing nuisance shutdowns or, worse, failing to protect the heat exchanger. For a safety control, OEM is the safe choice.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eModerate (2\/5)\u003c\/strong\u003e — Two mounting screws and two spade terminals. Cut power first, photograph the wiring, and match the terminal orientation. Typically a 15-minute job.\u003c\/p\u003e\u003cp\u003eVerify the trip rating matches your unit's specification.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058098749811,"sku":"GOODMAN-10857","price":8.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-150-f-primary-limit-switch-for-gks90905dxab-20162903","provider":"National HVAC Parts","version":"1.0","type":"link"}