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Lennox XP14-024 Thermistor
A thermistor is a specific kind of resistor whose rated resistance depends on the thermal temperature. They convey to the system control board when a certain temperature reaches a certain point. The heating system interprets the temperature in order to understand what is going on.
What are the signs that the main thermister really needs to be replaced?
- The heating and AC system may never start up due to any one bad thermistor
- Primary blower could refuse in its attempt to engage full speed spinning
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If you are going to be buying or purchasing do your best and make sure of the correct model and also make a visual inspection in order to be sure the correct thermistor is being ordered. Replacing a new thermistor is a breeze provided you energy and have the tools to get it done.
Feel free to download your manual for help.
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