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Carrier 39E Thermistor
A thermistor is a certain type of resistor whose resistance depends on the current temperature. The system control board deciphers the temp in several different areas to do its job as it should. They can tell the system control board when the temperature reaches a certain point.
Major clues of a barely functioning all-important thermister
- The blower refuses in its attempt to ramp up the airflow
- No component may not even start due to a improperly set thermistor
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If you are going to be buying or ordering any Carrier 39E part, do your due diligence and make sure of the correct model and also make a visual inspection in order to be sure the correct thermistor is the one being purchased. There is no rule that says you have to install the replacement part alone. Consult with a professional in your area to pay to install it for you.
Feel free to download your manual for help.
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