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Lennox XP19-024 Thermistor
A very basic thermistor is a specific kind of resistor which has a resistance that is solely dependent on heat. The furnace or AC interprets the temperature in some specific areas of the system to do its job correctly. They convey to the system control board when a certain temperature has been reached.
Signals the system thermister will not live much longer
- Blower fan could fail to begin to engage full speed spinning
- The whole HVAC system may not initiate the starting sequence due to any one thermistor that has failed
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If you are going to be buying or purchasing do your best and cross-check the model number as well as make a visual comparison in order to be sure the correct replacement thermistor is being ordered. Some pros could be quite expensive to hire so it may be beneficial to look around your area 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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