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International Comfort Products CAC018AKA1 Thermistor
In an HVAC system, a thermistor is a specific kind of resistor that has a fluctuating resistance that is directly proportioned to heat. They notify the main board when a certain temperature reaches a certain point. The heating and cooling system must know the temp throughout the whole system to ensure that things are as they should be.
Elements of a poorly working temp regulating thermister
- The initial sequence could possibly not operate due to a damaged thermistor
- The blower could never begin in the attempt to get up to full speed
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