{"product_id":"oem-lennox-furnace-limit-switch-97l03","title":"OEM Lennox Furnace Limit Switch — 97L03","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e97L03\u003c\/strong\u003e limit switch is a high-temperature safety control that monitors heat exchanger and plenum temperatures inside your furnace. If temperatures climb beyond the safe threshold — typically from restricted airflow or a blower problem — the switch opens the circuit, shutting off the burners to prevent overheating and protect the heat exchanger.\u003c\/p\u003e\u003cp\u003eSymptoms of a faulty limit switch include short cycling, the furnace shutting off before reaching the set temperature, the blower running continuously, or a complete no-heat condition. A switch that opens prematurely or fails to reset can leave your system locked out and your home cold.\u003c\/p\u003e\u003cp\u003eAn OEM Lennox \u003cstrong\u003e97L03\u003c\/strong\u003e is manufactured to trip at the precise temperature setpoint engineered for your furnace model. Generic limit switches with incorrect trip points or dimensions can allow unsafe operation or cause nuisance shutdowns. For dependable safety and correct fit, the factory-original part is the right choice for your Lennox equipment.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081090777459,"sku":"LNX-97L03","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-97L03.jpg?v=1783761162","url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-furnace-limit-switch-97l03","provider":"National HVAC Parts","version":"1.0","type":"link"}