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Paragon W18 Thermistor
A thermistor is a specific kind of resistor that has a swinging resistance is contingent on the temperature at its location. The HVAC system interprets the temperature in a few critical areas to know what to do next. They inform the system control board when a temperature reaches a certain point.
Major indications to watch for in a failing system thermister
- The main blower could refuse in its attempt to ramp up the airflow
- The heating and AC system could never start up due to a failed thermistor
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Before buying or purchasing any Paragon W18 replacement part, do your due diligence and make sure of the correct model as well as make a visual inspection so that you are positive that the correct replacement thermistor is the one being purchased. Some pros may have higher labor rates than others so it is best to shop around to acquire the best rate if you do not want to pay too much.
Feel free to download your manual for help.
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