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Friedrich MW09Y3H Thermistor
A very basic thermistor is a thermal resistor, that has a fluctuating resistance that is solely dependent on actual temperature is perceives. The system control board interprets the temperature in some specific areas of the system to do its job correctly. They notify the heating and cooling system when the temperature in increasing or decreasing.
How do you know when your all-important thermister is in need of a replacement?
- The heating and cooling system may never begin due to a inaccurate thermistor
- Main blower could possibly fail to begin to engage full speed
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