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Trane TCP048F300AB Thermistor
A thermistor is a thermal resistor, that has a varied resistance that changes as it depends on thermal temperature. The furnace or AC interprets the temperature in some specific areas of the system to do its job correctly. They inform the heating and cooling system when a certain temperature reaches a certain point.
How do you know when your system thermister needs replacing?
- Blower motor could refuse in the attempt to engage full speed
- The entire system could possibly not even begin because of the broken thermistor
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Before you decide on buying or ordering, do your due diligence and double check the correct model as well as make a visual comparison so that you are positive that the correct thermistor is the one being purchased. There is no rule that says you have to replace the part all by yourself. Pay a professional locally to do it for you.
Feel free to download your manual for help.
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