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Carrier 48XL-A48 Thermistor
A thermistor is a type of resistor which has a resistance that is governed by temperature. The heating and cooling system needs to know the temperature in a few critical areas to know what to do next. They inform the circuit board when a temperature reaches a certain point.
Major warnings of a weakening system thermister
- The entire system may not operate depending on which is the thermistor that is malfunctioning
- Blower fan could possibly fail in its attempt to ramp up the airflow
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Before buying or ordering do your best and double check the model number and also make a visual inspection so that you are positive that the proper replacement thermistor is the one being purchased. Once you have the part to install it yourself. Locate a pro locally to hire and install the part for you.
Feel free to download your manual for help.
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