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International Comfort Products NDC7075BFA1 Thermistor
A thermistor is a special kind of new age resistor that has a fluctuating resistance that changes as it depends on heat. The system must know the temp in a few critical areas to do its job as it should. They convey to the HVAC system when a temperature reaches a certain point.
How do you know when your main thermister is on its last leg?
- The main blower fails in the attempt to ramp up to full speed
- No component may never begin because of the thermistor that is damaged
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