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GE AZ75H12EACM1 Thermistor
In an HVAC system, a thermistor is a type of resistor that has a varied resistance that is altered by temperature at its location. The heating and cooling system must know the temp in some specific areas of the system to be sure everything is going well. They convey to the HVAC system when a certain temperature reaches a certain point.
Important clues of a weakening thermister
- The system blower refuses to begin to ramp up the airflow
- The entire system may never begin because of any malfunctioning thermistor
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