{"product_id":"oem-goodman-manual-reset-limit-switch-for-gch91155dxab-10123517","title":"OEM Goodman Manual Reset Limit Switch for GCH91155DXAB — 10123517","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman 10123517 Manual Reset Limit Switch\u003c\/strong\u003e is a genuine OEM high-limit safety control for \u003cstrong\u003eGCH91155DXAB\u003c\/strong\u003e gas furnaces. This normally-closed switch opens the ignition\/gas circuit if it detects an overheat or flame-rollout condition, protecting the heat exchanger and surrounding components. Because it is a \u003cem\u003emanual reset\u003c\/em\u003e device, it requires the red button to be pressed after tripping — a deliberate design that forces the underlying fault (blocked flue, dirty filter, failed blower) to be investigated.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOEM Part Number: 10123517\u003c\/li\u003e\n\u003cli\u003eType: Manual reset high-limit \/ rollout switch\u003c\/li\u003e\n\u003cli\u003eContacts: Normally closed (opens on overheat)\u003c\/li\u003e\n\u003cli\u003eEquipment: Gas furnace\u003c\/li\u003e\n\u003cli\u003ePrimary fit: Goodman GCH91155DXAB\u003c\/li\u003e\n\u003cli\u003eTerminals: 1\/4\" quick-connect spades\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003egenuine OEM switch\u003c\/strong\u003e is calibrated to the exact trip temperature specified for this furnace and mounts flush to the factory bracket. Generic limit switches may carry a different trip point or mounting pattern, risking nuisance trips or inadequate protection. For a safety device, OEM is strongly recommended.\u003c\/p\u003e\u003ch3\u003eInstall Difficulty: Easy\u003c\/h3\u003e\u003cp\u003eRated \u003cstrong\u003eEasy (1\/5)\u003c\/strong\u003e — remove two screws and two spade terminals, then reverse. Always cut power and gas first. Never bypass a repeatedly tripping limit switch; diagnose the root cause.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058055758195,"sku":"GOODMAN-9777","price":7.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-manual-reset-limit-switch-for-gch91155dxab-10123517","provider":"National HVAC Parts","version":"1.0","type":"link"}