{"product_id":"oem-goodman-auxiliary-limit-switch-for-gdh80403axaa-furnace-0130f00038","title":"OEM Goodman Auxiliary Limit Switch for GDH80403AXAA Furnace — 0130F00038","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman 0130F00038 Auxiliary Limit Switch\u003c\/strong\u003e (light blue) is a genuine OEM secondary safety control for the \u003cstrong\u003eGoodman GDH80403AXAA\u003c\/strong\u003e gas furnace. Mounted near the blower or burner box, this auxiliary limit provides backup overheat protection — opening the circuit to shut down the furnace if temperatures exceed safe limits due to restricted airflow, a dirty filter, or blower failure. It is an inexpensive but essential safety component.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePart Number: 0130F00038\u003c\/li\u003e\n\u003cli\u003eType: Auxiliary limit \/ secondary overheat switch\u003c\/li\u003e\n\u003cli\u003eColor Code: Light Blue\u003c\/li\u003e\n\u003cli\u003eFits Model: GDH80403AXAA\u003c\/li\u003e\n\u003cli\u003eApplication: 80% gas furnace, backup high-limit protection\u003c\/li\u003e\n\u003cli\u003eBrand: Goodman (OEM)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eBecause this is a low-cost safety switch, using the \u003cstrong\u003egenuine OEM Goodman\u003c\/strong\u003e part is a no-brainer — it guarantees the correct trip temperature and terminal fit. Generic substitutes rarely save enough to justify the risk of an incorrect calibration on a life-safety device.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy\u003c\/strong\u003e — Remove the access panel, disconnect the two wire terminals, unclip or unscrew the switch, and reverse to install. Always de-energize power and shut off the gas first. Verify with a continuity test. Typical replacement takes 10–15 minutes for a comfortable DIYer.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058072469875,"sku":"GOODMAN-10206","price":5.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-auxiliary-limit-switch-for-gdh80403axaa-furnace-0130f00038","provider":"National HVAC Parts","version":"1.0","type":"link"}