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International Comfort Products CXA460AKA1 Thermistor
In an HVAC system, a thermistor is a specific kind of resistor that has a fluctuating resistance that varies depending on the heat. They notify the system when a certain temperature reaches a certain point. The control board reads the temperature in several different areas to do its job as it should.
Major clues of a deteriorating all-important thermister
- The heating and cooling system could possibly not even begin due to a failed thermistor
- The system blower may refuse to begin to ramp up to full speed
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