{"product_id":"oem-goodman-auxiliary-limit-switch-for-wfd195090s4caa-0130f00038","title":"OEM Goodman Auxiliary Limit Switch for WFD195090S4CAA — 0130F00038","description":"\u003cp\u003eThe genuine OEM Goodman \u003cstrong\u003e0130F00038\u003c\/strong\u003e auxiliary limit switch (identified by its light-blue housing) is the exact factory safety replacement for the \u003cstrong\u003eWFD195090S4CAA\u003c\/strong\u003e gas furnace. This normally-closed thermal switch monitors temperature in the blower or heat-exchanger area and opens the circuit if the furnace overheats — shutting off the gas valve to prevent equipment damage and unsafe operation.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOEM Part Number: 0130F00038\u003c\/li\u003e\n\u003cli\u003eType: Auxiliary (secondary) high-limit safety switch\u003c\/li\u003e\n\u003cli\u003eColor \/ ID: Light blue housing\u003c\/li\u003e\n\u003cli\u003eFits: Goodman WFD195090S4CAA and compatible Goodman \u0026amp; Amana furnaces\u003c\/li\u003e\n\u003cli\u003eOperation: Normally-closed, opens on over-temperature\u003c\/li\u003e\n\u003cli\u003eFunction: Cuts gas\/ignition on overheat to protect the furnace\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eLimit switches are a life-safety component, and generic substitutes often trip at the wrong temperature set point — causing either nuisance shutdowns or, worse, failing to protect against a genuine overheat. The color-coded genuine 0130F00038 carries the exact factory trip rating and terminal layout for the WFD195090S4CAA, so the furnace's safety chain performs precisely as designed.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (2\/5).\u003c\/strong\u003e Always disconnect power before servicing. Remove the two mounting screws, transfer the wire terminals to the new switch, and remount. Replacement takes about 10–15 minutes. Because this is a safety device, verify the correct light-blue part number for your unit and consult a licensed HVAC technician if repeated tripping continues after replacement.\u003c\/p\u003e\u003cp\u003eRestore your furnace's overheat protection with the genuine Goodman 0130F00038 auxiliary limit switch.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058221793651,"sku":"GOODMAN-13989","price":5.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-auxiliary-limit-switch-for-wfd195090s4caa-0130f00038","provider":"National HVAC Parts","version":"1.0","type":"link"}