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HOME > HVAC > CARRIER > 48GS042090300 > THERMISTOR

Carrier 48GS042090300 Thermistor

A thermistor is a certain type of resistor that has a varied resistance that varies depending on the thermal temperature. The control board interprets the temperature in some specific areas of the system to do its job as it should. They notify the heating and cooling system when a temperature in increasing or decreasing.

What warnings should I watch out for to know if my Carrier thermister is about to go out?

Main blower could possibly fail to begin to engage full speed spinning
The entire system may not function due to any one thermistor that is stuck open

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Check eBay to see if your thermistor is in stock!

Before buying or purchasing any Carrier 48GS042090300 replacement part do your best and cross-check the correct model as well as make a visual inspection in order to be sure the correct replacement thermistor is the one being purchased. There is no need to install the part by yourself. Look for a professional in your town or city to pay to install it for you.

Feel free to download your manual for help.

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Check eBay for your thermistor!