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Carrier 48XL-A30 Thermistor
In an HVAC system, a thermistor is a thermal resistor, whose rated resistance is altered by heat. The control board needs to know the temperature in certain areas to understand what is going on. They convey to the system when the temperature in increasing or decreasing.
Clues to watch for to know the system thermister is going out
- The whole HVAC system may not initiate the starting sequence due to a thermistor that is damaged
- The main blower may refuse in the attempt to ramp up the airflow
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Before you decide on buying or purchasing any Carrier 48XL-A30 part, do your due diligence and cross-check the model number as well as make a visual comparison so that you are positive that the right thermistor is the one being purchased. If you are not sure about the properly replacing the new thermistor by yourself then it would be in your best interest to consult a pro to do the work for you.
Feel free to download your manual for help.
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