{"product_id":"oem-goodman-auxiliary-limit-switch-blue-for-gdh80403anbb-0130f00038","title":"OEM Goodman Auxiliary Limit Switch (Blue) for GDH80403ANBB — 0130F00038","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman 0130F00038 Auxiliary Limit Switch\u003c\/strong\u003e (light-blue dot) is a genuine OEM secondary safety control for the \u003cstrong\u003eGDH80403ANBB\u003c\/strong\u003e gas furnace. Mounted on the blower deck or burner box, this auxiliary limit provides backup overheat and heat-rollout protection, opening the control circuit if temperatures exceed safe levels in its zone. It works alongside the primary limit to guard against blocked airflow and blower failure.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e 0130F00038\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor Code:\u003c\/strong\u003e Light Blue (temperature rating identifier)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Auxiliary \/ secondary limit switch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAction:\u003c\/strong\u003e Normally closed, opens on rise\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Model:\u003c\/strong\u003e GDH80403ANBB and select Goodman\/Amana furnaces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eLike all limit switches, the \u003cstrong\u003etrip temperature is matched to its color code\u003c\/strong\u003e. The light-blue 0130F00038 is not interchangeable with the pink primary limit — each protects a different zone at a different setpoint. Use the exact OEM part to preserve the furnace's layered safety design.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (1\/5)\u003c\/strong\u003e — Two screws and two spade terminals, about 10–15 minutes. Always disconnect power before replacing.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058070503795,"sku":"GOODMAN-0130F00038","price":5.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-auxiliary-limit-switch-blue-for-gdh80403anbb-0130f00038","provider":"National HVAC Parts","version":"1.0","type":"link"}