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Carrier 38YZA036 Thermistor
In an HVAC system, a thermistor is a specific kind of resistor whose rated resistance is solely dependent on the amount of, or lack thereof, heat. The heating system must know the temp in order to make a decision on what needs to be done. They tell the circuit board when the temperature reaches a certain point.
Important hints the Carrier thermister is going to die
- The system may never start up due to any one failed thermistor
- Main blower refuses to begin to begin full speed blowing
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