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International Comfort Products TCA448AKA1 Thermistor
In an HVAC system, a thermistor is a thermal resistor, that has a varied resistance that is governed by actual temperature is perceives. The heating and cooling system needs to know the temperature in order to understand what is going on. They notify the heating and cooling system when a certain temperature has been reached.
Symptoms of an ailing thermister
- No component may never start up due to a improperly set thermistor
- The main blower could refuse in its attempt to begin full speed blowing
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