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Goodman ARUF303016CA Thermistor
A thermistor is a special kind of new age resistor that has a fluctuating resistance that is solely dependent on temperature at its location. They tell the circuit board when the temperature reaches a certain point. The furnace or AC needs to know the temperature in a few critical areas to make a decision on what needs to be done.
Red flags the Goodman thermister will soon need to be replaced
- The whole system may never start up because of the malfunctioning thermistor
- Blower fan may refuse in its attempt to ramp up to full speed
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