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Carrier 48GP030060300 Thermistor
A thermistor is a certain type of resistor whose rated resistance varies depending on the amount of, or lack thereof, heat. The HVAC system interprets the temperature throughout the whole system to ensure that things are as they should be. They can tell the HVAC system when the temperature in increasing or decreasing.
Symptoms your thermister is dead
- The system may not operate due to a inaccurate thermistor
- Blower fan could refuse in its attempt to get up to full speed
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