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Carrier 48XZ042090300TP Thermistor
A thermistor is a type of resistor that has a fluctuating resistance that varies depending on the current temperature. They inform the system control board when a certain temperature reaches a certain point. The system control board interprets the temperature throughout the whole system to make a decision on what needs to be done.
Signals your thermister has little life left
- The whole system may not even start due to a damaged thermistor
- The system blower could possibly fail to begin to ramp up the airflow
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If you are going to be buying or purchasing any Carrier 48XZ042090300TP replacement part do your best and make sure of the model number as well as make a visual comparison so that you are positive that the correct thermistor is being ordered. Safety is always important when replacing parts in an HVAC environment. call a pro. Stay safe.
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