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Friedrich MW09Y3FM Thermistor
A thermistor is a specific kind of resistor that has a fluctuating resistance that is directly proportioned to actual temperature is perceives. They notify the system control board when the temperature has been reached. The heating system needs to know the temperature throughout the whole system to do its job as it should.
What signals that my system thermister is in need of replacing?
- The main blower could fail in the attempt to engage full speed spinning
- The heating and AC system may never start up because of the malfunctioning thermistor
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