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International Comfort Products PGF048L120F Thermistor
A thermistor is a certain type of resistor that has a fluctuating resistance that depends on the temperature at its location. The heating and cooling system takes the temperature in certain areas to do its job as it should. They tell the system when a certain temperature in increasing or decreasing.
Subtle hints your all-important thermister needs to be replaced
- Primary blower fails in the attempt to get up to full speed
- The whole HVAC system could never start up because of any thermistor that has failed
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