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International Comfort Products FBF075F16A3 Thermistor
A thermistor is a certain type of resistor that has a swinging resistance is governed by heat. They tell the system when the temperature reaches a certain point. The system interprets the temperature in a few critical areas to be sure everything is going well.
Major warnings of a worsening thermister
- The whole HVAC system may never start up due to any one thermistor that is stuck open
- The system blower fails in its attempt to get up to full speed
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