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Payne PY1PNB030060AAAA Thermistor
In an HVAC system, a thermistor is a thermal resistor, whose resistance is governed by thermal temperature. They inform the circuit board when a certain temperature has been reached. The heating and cooling system must know the temp in order to do its job as it should.
Major signs of a weak all-important thermister
- The main fan could fail to begin to ramp up to full speed
- The heating and cooling system may never begin because of any malfunctioning thermistor
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