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International Comfort Products N9MPD050F12A2 Thermistor
A very basic thermistor is a specific kind of resistor that has a varied resistance that changes as it depends on heat. The furnace or AC needs to know the temperature in certain areas to make a decision on what needs to be done. They can tell the heating and cooling system when the temperature has been reached.
How do you know if your thermister is about to go out?
- The main fan refuses in its attempt to get up to full speed
- The entire system could never start up due to any one problematic thermistor
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