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International Comfort Products PGMD36H090A Thermistor
A thermistor is a certain type of resistor whose rated resistance changes as it depends on temperature. The main control board deciphers the temp in some specific areas of the system to understand what is going on. They can tell the circuit board when a certain temperature has been reached.
Warnings the International Comfort Products thermister is failing
- The entire system could possibly never start because of the thermistor that is damaged
- Blower fan may refuse to begin to ramp up
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