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International Comfort Products H8MPL125J20B1 Thermistor
In an HVAC system, a thermistor is a special kind of new age resistor that has a varied resistance that varies depending on the temperature at its location. They notify the main board when a certain temperature has been reached. The control board must know the temp throughout the whole system to do its job as it should.
Major signs of a poorly performing thermister
- The system may never begin because of any inaccurate thermistor
- The system blower refuses in its attempt to ramp up
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