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Carrier 48XZ036090300TP Thermistor
A thermistor is a special kind of new age resistor that has a fluctuating resistance that varies depending on the amount of, or lack thereof, heat. The control board interprets the temperature in several different areas to do its job correctly. They inform the heating and cooling system when a temperature in increasing or decreasing.
Major symptoms your thermister is dying
- The whole system could possibly not operate because of any bad thermistor
- Main blower may fail in its attempt to ramp up the airflow
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