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HOME > HVAC > CARRIER > FB4CNF036 > THERMISTOR

Carrier FB4CNF036 Thermistor

In an HVAC system, a thermistor is a specific kind of resistor that has a swinging resistance fluctuates depending on the temperature at its location. The system must know the temp in certain areas to make sure everything is running smoothly. They notify the system when a certain temperature in increasing or decreasing.

Red flags your thermister needs to be replaced

The whole HVAC system could possibly not even begin due to a thermistor that has failed
The main blower could never begin to begin to engage full speed

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Check eBay to see if your thermistor is in stock!

Before buying or purchasing, do your due diligence and double check the correct model as well as make a visual inspection so that you are positive that the correct thermistor is being ordered. If you are unsure about the properly replacing the new thermistor by yourself then it would be in your best interest to consult a pro to do the work for you.

Feel free to download your manual for help.

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Check eBay for your thermistor!