{"product_id":"oem-lennox-limit-switch-92l15","title":"OEM Lennox Limit Switch — 92L15","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e92L15\u003c\/strong\u003e limit switch is a temperature-activated safety control that guards against furnace overheating. It monitors the heat exchanger and plenum temperature, shutting off the burners if the unit runs too hot — protecting your Lennox equipment from heat exchanger damage and unsafe operation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms:\u003c\/strong\u003e furnace short cycling on and off, burners firing then dropping out while the blower keeps running, no-heat conditions, or a limit fault code on the control board. Nuisance trips often point to a weak or out-of-spec limit switch, though restricted airflow should always be ruled out first.\u003c\/p\u003e\u003cp\u003eOEM matters because the \u003cstrong\u003e92L15\u003c\/strong\u003e is set to an exact trip and reset temperature specified for your Lennox furnace. A generic switch with the wrong setpoint can allow dangerous overheating or cause constant nuisance shutdowns. This factory-matched part restores precise overheat protection and dependable heating cycles.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081091694963,"sku":"LNX-92L15","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-92L15.jpg?v=1783762636","url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-limit-switch-92l15","provider":"National HVAC Parts","version":"1.0","type":"link"}