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Carrier 48XP036090300 Thermistor
In an HVAC system, a thermistor is a special kind of new age resistor whose resistance is dependent on the amount of, or lack thereof, heat. The system control board needs to know the temperature in several different areas to understand what is going on. They tell the HVAC system when the temperature in increasing or decreasing.
What are some indications that my system thermister has to be replaced?
- Blower motor could refuse to begin to ramp up the airflow
- The whole system may not operate depending on which is the damaged thermistor
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