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Carrier 48GP036090310 Thermistor
A thermistor is a thermal resistor, that has a fluctuating resistance that changes as it depends on current temperature. The furnace or AC interprets the temperature in several different areas to ensure that things are as they should be. They can tell the system control board when a temperature in increasing or decreasing.
Important signs the temp-regulating thermister is in dire straights
- Blower fan could refuse in the attempt to engage full speed
- The entire system may not even start due to any one improperly set thermistor
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