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Lennox CB30U-46 Thermistor
In an HVAC system, a thermistor is a special kind of new age resistor that has a varied resistance that fluctuates depending on the actual temperature is perceives. They tell the main board when the temperature has been reached. The furnace or AC interprets the temperature in certain areas to make sure everything is running smoothly.
How can I tell if my main thermister needs replacing?
- Blower motor fails in the attempt to ramp up to full speed
- The heating and cooling system may not even start due to a improperly set thermistor
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Before you decide on buying or purchasing a replacement thermistor for your Lennox CB30U-46, do your due diligence and cross-check the correct model and also make a visual inspection in order to be sure the proper replacement thermistor is being ordered. Take safety precautions when you replace or install any part of a heating or cooling system. If you are not sure what to do then call a pro. Don't be sorry. Be safe.
Feel free to download your manual for help.
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