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International Comfort Products PGMD36H060A Thermistor
In an HVAC system, a thermistor is a specific kind of resistor whose resistance varies depending on the temperature at its location. They notify the circuit board when a certain temperature in increasing or decreasing. The heating system must know the temp in some specific areas of the system to do its job correctly.
Key symptoms of an ineffective system thermister
- The heating and AC system may not operate because of any thermistor that has failed
- The system blower refuses in its attempt to engage full speed spinning
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