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Carrier 48XZN030060300 Thermistor
In an HVAC system, a thermistor is a special kind of new age resistor that has a swinging resistance is directly proportioned to heat. They convey to the HVAC system when a certain temperature reaches a certain point. The system control board deciphers the temp in several different areas to make sure everything is running smoothly.
Important clues of a poorly performing thermister
- No component may never start up due to a bad thermistor
- Blower motor may fail to begin to engage full speed
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