{"product_id":"oem-goodman-primary-limit-switch-purple-auto-reset-for-wfd18045s3axcb-0130f00035","title":"OEM Goodman Primary Limit Switch (Purple, Auto-Reset) for WFD18045S3AXCB — 0130F00035","description":"\u003cp\u003eThe Goodman \u003cstrong\u003e0130F00035\u003c\/strong\u003e is the OEM primary high-limit switch (identified by its purple housing) engineered for the \u003cstrong\u003eWFD18045S3AXCB\u003c\/strong\u003e furnace and compatible Goodman\/Amana gas furnace platforms. This safety-critical control monitors heat-exchanger and supply-air temperature and opens the burner circuit if the furnace overheats — protecting the heat exchanger, blower, and surrounding cabinet from thermal damage.\u003c\/p\u003e\u003cp\u003eAs the \u003cem\u003eprimary\u003c\/em\u003e limit, it is the first line of overheat defense and is factory-calibrated to the exact cut-out temperature your furnace was designed around. Using the genuine OEM part guarantees the correct trip point and reset behavior, which generic replacements often miss.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eType: Primary high-limit \/ auto-reset temperature switch\u003c\/li\u003e\n\u003cli\u003eColor code: Purple (OEM identifier)\u003c\/li\u003e\n\u003cli\u003eFunction: Opens burner circuit on overheat condition\u003c\/li\u003e\n\u003cli\u003eFits: Goodman WFD18045S3AXCB and compatible furnace models\u003c\/li\u003e\n\u003cli\u003ePart number: 0130F00035\u003c\/li\u003e\n\u003cli\u003eElectrical: Normally-closed, snap-disc contacts\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003eOEM 0130F00035\u003c\/strong\u003e ships with the factory-exact temperature calibration and mounting bracket, ensuring a drop-in fit and reliable safety cutout. Generic snap-discs may carry a different trip temperature or bracket geometry, risking nuisance trips or delayed shutoff. For a safety component, OEM is strongly recommended.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (2\/5).\u003c\/strong\u003e Two mounting screws and two spade terminals. Always disconnect power before servicing. Most DIYers with a nut driver can complete this in 15 minutes.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058214420851,"sku":"GOODMAN-13815","price":22.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-primary-limit-switch-purple-auto-reset-for-wfd18045s3axcb-0130f00035","provider":"National HVAC Parts","version":"1.0","type":"link"}