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Desa B150J Thermistor
In an HVAC system, a thermistor is a specific kind of resistor that has a swinging resistance is dependent on the temperature. They notify the system when the temperature has been reached. The control board takes the temperature in order to make a decision on what needs to be done.
Some clues your all-important thermister is on its last leg
- The initial sequence may not function depending on which is the stuck thermistor
- Main blower could refuse in its attempt to engage full speed spinning
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