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International Comfort Products PH5524AKA2 Thermistor
A thermistor is a type of resistor that has a fluctuating resistance that changes as it depends on current temperature. They inform the circuit board when the temperature in increasing or decreasing. The system control board interprets the temperature in certain areas to know what to do next.
Indications the system thermister is going to die
- Primary blower may refuse in the attempt to engage full speed
- The heating and cooling system could possibly not operate due to a thermistor that has failed
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