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International Comfort Products CHP442AKA1 Thermistor
In an HVAC system, a thermistor is a thermal resistor, that has a varied resistance that is altered by heat. They notify the system when a temperature has been reached. The control board must know the temp in a few critical areas to do its job correctly.
Major indications your thermister will need to be replaced
- The entire system may not initiate the starting sequence because of any inaccurate thermistor
- Blower motor could fail in the attempt to engage full speed spinning
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