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Carrier 48JZ048090300 Thermistor
A very basic thermistor is a specific kind of resistor that has a swinging resistance changes as it depends on the amount of, or lack thereof, heat. They inform the circuit board when a temperature reaches a certain point. The system control board takes the temperature in order to do its job as it should.
Important clues to watch for in a bad system thermister
- The system may not initiate the starting sequence because of any broken thermistor
- Blower motor could fail in its attempt to ramp up the airflow
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Before buying or ordering any Carrier 48JZ048090300 part, do your due diligence and double check the correct model and also make a visual inspection so that you are positive that the proper replacement thermistor is the one being purchased. Installation of a new thermistor can be quite easy provided you know what you are doing and have the tools to do it right.
Feel free to download your manual for help.
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