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Lennox HPXB15-042 Thermistor
A very basic thermistor is a specific kind of resistor that has a varied resistance that depends on the amount of, or lack thereof, heat. The main control board must know the temp in certain areas to know what to do next. They tell the circuit board when a temperature reaches a certain point.
Clues the Lennox thermister is going out
- Main blower could fail in its attempt to ramp up the airflow
- No component may not operate depending on which is the stuck thermistor
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If you are going to be buying or ordering any Lennox HPXB15-042 part, do your due diligence and double check the model number and also make a visual inspection in order to be sure the correct replacement thermistor is being ordered. If you are not sure about the properly replacing the new thermistor on your own then it is probably best to consult a pro to do the work for you.
Feel free to download your manual for help.
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