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Carrier 58MXA120F14120 Thermistor
In an HVAC system, a thermistor is a type of resistor that has a fluctuating resistance that is altered by temperature. They notify the system control board when a certain temperature has been reached. The control board interprets the temperature in several different areas to do its job as it should.
General indicators that your the system thermister needs replacing
- Blower motor could refuse to begin to engage full speed spinning
- The entire system may not operate depending on which is the bad thermistor
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