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Kenmore 661624670 Thermistor
A thermistor is a certain type of resistor that has a varied resistance that fluctuates depending on the amount of, or lack thereof, heat. They notify the heating and cooling system when a certain temperature reaches a certain point. The heating system interprets the temperature in several different areas to understand what is going on.
Major warnings the system thermister will need replacing
- The heating and AC system could never start up due to any one stuck thermistor
- Blower motor refuses in the attempt to engage full speed
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