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International Comfort Products PGF030K080F Thermistor
A thermistor is a thermal resistor, whose rated resistance will fluctuate depending on the actual temperature is perceives. They can tell the system control board when the temperature has been reached. The system control board reads the temperature in some specific areas of the system to do its job correctly.
How do you know if your all-important thermister is on its last leg?
- The main fan could never begin in the attempt to engage full speed
- The system could possibly not even begin due to a malfunctioning thermistor
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