{"product_id":"oem-lennox-limit-switch-35k60","title":"OEM Lennox Limit Switch — 35K60","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e35K60\u003c\/strong\u003e limit switch is a high-temperature safety control engineered for Lennox furnaces. Mounted on the heat exchanger or vestibule panel, it senses the temperature of the heating compartment and cuts power to the burners or elements the moment the unit rises above its rated safe limit, preventing dangerous overheating conditions.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms:\u003c\/strong\u003e A worn or failed \u003cstrong\u003e35K60\u003c\/strong\u003e often causes the furnace to short-cycle, the blower to run non-stop, or the system to trip into a limit lockout with no heat. If your Lennox unit is nuisance-tripping or refusing to fire, the limit switch is a frequent culprit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e Every limit switch is factory-calibrated to a precise trip point matched to your furnace model. The OEM \u003cstrong\u003e35K60\u003c\/strong\u003e delivers the exact temperature rating, wiring terminals, and bracket geometry Lennox specified — generic replacements can trip early, fail to reset, or compromise the safety circuit. Insist on the genuine part to keep your Lennox running safely and reliably.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081108242803,"sku":"LNX-35K60","price":19.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-limit-switch-snap-disc-LNX-35K60.jpg?v=1783762519","url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-limit-switch-35k60","provider":"National HVAC Parts","version":"1.0","type":"link"}