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Carrier FB4CNF030 Thermistor
A thermistor is a certain type of resistor that has a varied resistance that is solely dependent on temperature at its location. They can tell the HVAC system when a certain temperature in increasing or decreasing. The furnace or AC interprets the temperature in certain areas to do its job as it should.
General warnings of a barely functioning Carrier thermister
- No component may not even begin to function due to any one thermistor that is damaged
- The main fan may fail to begin to ramp up
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Before buying or ordering any Carrier FB4CNF030 part do your best and cross-check the correct model and also make a visual comparison in order to be sure the correct thermistor is being ordered. Take safety precautions when you replace or install any part of a heating or cooling system. If there are any doubts about what you are doing then call a pro. Don't be sorry. Be safe.
Feel free to download your manual for help.
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