{"product_id":"oem-goodman-auxiliary-limit-switch-for-wfd18045s3axcc-0130f00038","title":"OEM Goodman Auxiliary Limit Switch for WFD18045S3AXCC — 0130F00038","description":"\u003cp\u003eThe Goodman \u003cstrong\u003e0130F00038 Auxiliary Limit Switch\u003c\/strong\u003e (light-blue coded) is a genuine OEM secondary safety control for the \u003cstrong\u003eWFD18045S3AXCC\u003c\/strong\u003e gas furnace and compatible Goodman\/Amana models. The auxiliary limit provides backup overheat protection at a specific location — typically the blower deck or a secondary heat zone — and shuts the furnace down if temperatures exceed its set point. It works alongside the primary limit to guard against overheating, restricted airflow, and heat spillage.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOEM Part Number: 0130F00038\u003c\/li\u003e\n\u003cli\u003eColor Code: Light Blue (temperature\/set-point identifier)\u003c\/li\u003e\n\u003cli\u003eCategory: Auxiliary \/ Secondary Limit Switch\u003c\/li\u003e\n\u003cli\u003eType: Thermal safety cutout\u003c\/li\u003e\n\u003cli\u003eBrand: Goodman (fits Amana equivalents)\u003c\/li\u003e\n\u003cli\u003eEquipment Type: Gas Furnace\u003c\/li\u003e\n\u003cli\u003ePrimary Fit: WFD18045S3AXCC\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThis \u003cstrong\u003egenuine OEM Goodman\u003c\/strong\u003e switch is calibrated to the trip temperature identified by its light-blue code. Auxiliary limits are location- and temperature-specific — a generic replacement with a different set-point can nuisance-trip or fail to protect. Matching the OEM part number and color removes the guesswork.\u003c\/p\u003e\u003ch3\u003eInstall Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (2\/5).\u003c\/strong\u003e Around 15–20 minutes. De-energize the furnace, remove the mounting screws, move the leads to the matching terminals, and verify the light-blue 0130F00038 part number before powering up.\u003c\/p\u003e\u003cp\u003eLow-cost genuine OEM part, in stock, with a fit guarantee for the WFD18045S3AXCC.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058214748531,"sku":"GOODMAN-13828","price":5.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-auxiliary-limit-switch-for-wfd18045s3axcc-0130f00038","provider":"National HVAC Parts","version":"1.0","type":"link"}