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International Comfort Products HXA230AKA1 Thermistor
A thermistor is a specific kind of resistor whose resistance is dependent on the heat. They notify the HVAC system when the temperature in increasing or decreasing. The heating system reads the temperature in a few critical areas to do its job as it should.
Subtle cues of a barely functioning all-important thermister
- The main blower could never begin in its attempt to get up to full speed
- The initial sequence could possibly not operate because of any broken thermistor
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