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Payne PH1ZNA048000ABAA Thermistor
A thermistor is a special kind of new age resistor that has a varied resistance that fluctuates depending on the temperature at its location. The HVAC system needs to know the temperature in a few critical areas to make a decision on what needs to be done. They can tell the system control board when a certain temperature has been reached.
Symptoms the temp-regulating thermister needs replacing
- No component may not initiate the starting sequence depending on which is the broken thermistor
- Blower fan could possibly fail in the attempt to get up to full speed
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