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International Comfort Products TCA042AKA1 Thermistor
In an HVAC system, a thermistor is a thermal resistor, that has a fluctuating resistance that depends on the temperature at its location. The system interprets the temperature in several different areas to make sure everything is running smoothly. They can tell the system when the temperature has been reached.
Important clues of a weak thermister
- The system blower could possibly fail to begin to get up to full speed
- The system may never start up because of the thermistor that is stuck open
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