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DeLonghi WE130 Thermistor
In an HVAC system, a thermistor is a thermal resistor, that has a varied resistance that will fluctuate depending on the temperature. They can tell the HVAC system when a temperature reaches a certain point. The system takes the temperature throughout the whole system to make sure everything is running smoothly.
Clues to watch for to know your all-important thermister is on its last leg
- The AC and heat system could possibly not even begin depending on which is the thermistor that is stuck open
- The system blower refuses in the attempt to engage full speed spinning
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