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International Comfort Products PHF042K000A Thermistor
In an HVAC system, a thermistor is a specific kind of resistor that has a swinging resistance is governed by heat. They notify the main board when the temperature in increasing or decreasing. The system interprets the temperature in some specific areas of the system to do its job correctly.
Symptoms the system thermister needs a replacement ASAP
- The heating and AC system could possibly never start depending on which is the thermistor that is the problematic one
- The system blower fails to begin to ramp up the airflow
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