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Payne PY1PNB036090 Thermistor
A thermistor is a special kind of new age resistor that has a fluctuating resistance that is altered by current temperature. The main control board interprets the temperature throughout the whole system to be sure everything is going well. They tell the HVAC system when a certain temperature has been reached.
Major clues the system thermister is dead
- Blower fan fails in its attempt to ramp up the airflow
- The whole system may not even start because of any malfunctioning thermistor
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