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International Comfort Products PGAA18C1K6 Thermistor
A very basic thermistor is a certain type of resistor that has a fluctuating resistance that is solely dependent on current temperature. They convey to the heating and cooling system when a certain temperature in increasing or decreasing. The HVAC system needs to know the temperature in several different areas to make a decision on what needs to be done.
Clues your thermister will have to be replaced
- The whole HVAC system may never begin depending on which is the failed thermistor
- Primary blower may refuse in its attempt to ramp up the airflow
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