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International Comfort Products PGMD24G0605 Thermistor
In an HVAC system, a thermistor is a specific kind of resistor whose resistance is solely dependent on the amount of, or lack thereof, heat. The HVAC system needs to know the temperature in some specific areas of the system to understand what is going on. They tell the main board when a temperature reaches a certain point.
Important signs your all-important thermister is going out
- Blower motor could never begin in the attempt to engage full speed spinning
- The system may never start up due to a inaccurate thermistor
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