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HOME > HVAC > CARRIER > FV4CNB005 > THERMISTOR

Carrier FV4CNB005 Thermistor

A very basic thermistor is a specific kind of resistor that has a fluctuating resistance that is solely dependent on current temperature. They notify the main board when a certain temperature in increasing or decreasing. The control board interprets the temperature in a few critical areas to know what to do next.

What signals that my temp regulating thermister is dying?

Main blower could fail to begin to begin full speed blowing
The entire system may never begin due to a bad thermistor

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Check eBay to see if your thermistor is in stock!

Before you decide on buying or ordering do your best and cross-check the model number and also make a visual inspection in order to be sure the proper replacement thermistor is the one being purchased. There is no rule that says you have to install it yourself. Consult with a professional in your community to replace the part.

Feel free to download your manual for help.

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Check eBay for your thermistor!