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Trane TCP042F100AB Thermistor
A thermistor is a thermal resistor, which has a resistance that is contingent on the thermal temperature. They convey to the HVAC system when a certain temperature reaches a certain point. The main control board takes the temperature throughout the whole system to be sure everything is going well.
Clues the temp-regulating thermister is going out
- The heating and AC system may not initiate the starting sequence due to a stuck thermistor
- Primary blower fails in its attempt to ramp up the airflow
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Before buying or ordering, do your due diligence and double check the model number as well as make a visual inspection so that you are positive that the right thermistor is the one being purchased. You do not have to install the part by yourself. Search for a pro in your town or city to replace the part.
Feel free to download your manual for help.
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