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International Comfort Products PGMD36G0608 Thermistor
A very basic thermistor is a type of resistor whose rated resistance is governed by heat. The heating and cooling system takes the temperature in a few critical areas to make sure everything is running smoothly. They tell the HVAC system when a temperature has been reached.
Hints to watch for in a failing system thermister
- The entire system may not even begin to function due to any one thermistor that is damaged
- Blower fan could refuse in its attempt to engage full speed
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