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International Comfort Products H8MPL075B12B1 Thermistor
A very basic thermistor is a certain type of resistor which has a resistance that is directly proportioned to the amount of, or lack thereof, heat. They notify the system control board when the temperature has been reached. The HVAC system needs to know the temperature in several different areas to do its job as it should.
Some clues of a barely functioning thermister
- Blower fan may fail in the attempt to get up to full speed
- No component could never start up due to any one failed thermistor
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