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Friedrich MW36C3F Thermistor
In an HVAC system, a thermistor is a type of resistor that has a varied resistance that is solely dependent on temperature at its location. The system takes the temperature throughout the whole system to be sure everything is going well. They inform the main board when a certain temperature reaches a certain point.
Major indications of a declining thermister
- The heating and AC system could never start up because of the thermistor that is stuck open
- Main blower could never begin in its attempt to ramp up
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