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International Comfort Products PGAD30D1K5 Thermistor
A thermistor is a type of resistor which has a resistance that fluctuates depending on the temperature at its location. They can tell the main board when a certain temperature has been reached. The HVAC system needs to know the temperature throughout the whole system to be sure everything is going well.
Indications of a laboring temp regulating thermister
- The main fan could refuse in its attempt to ramp up to full speed
- The heating and AC system could possibly never start due to any one failed thermistor
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