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HOME > HVAC > CARRIER > 48GX > THERMISTOR

Carrier 48GX Thermistor

A thermistor is a special kind of new age resistor that has a varied resistance that is dependent on the current temperature. They inform the circuit board when a certain temperature in increasing or decreasing. The HVAC system needs to know the temperature in a few critical areas to do its job correctly.

How can I tell if my system thermister is about to go out?

The main fan refuses in the attempt to ramp up
The whole system may never start up depending on which is the failed thermistor

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Check eBay to see if your thermistor is in stock!

If you decide on picking up or purchasing a replacement thermistor for your Carrier 48GX, do your due diligence and double check the model number and also make a visual inspection so that you are positive that the right thermistor is being ordered. There is no rule that says you have to install it yourself. Hire someone with experience in your area to do the job for you.

Feel free to download your manual for help.

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Check eBay for your thermistor!