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Carrier FY4ANF042000 Thermistor
A very basic thermistor is a specific kind of resistor that has a fluctuating resistance that is altered by the amount of, or lack thereof, heat. They convey to the main board when a certain temperature in increasing or decreasing. The heating system interprets the temperature in order to understand what is going on.
General indicators that your your all-important thermister should need replacing
- Primary blower could fail to begin to engage full speed spinning
- No component may never begin due to any one malfunctioning thermistor
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Before you decide on buying or purchasing any Carrier FY4ANF042000 part do your best and make sure of the model number as well as make a visual comparison so that you are positive that the correct thermistor is the one being purchased. Use a great deal of caution when replacing parts in an HVAC environment. If you are unsure about the installation then you should call a pro. Don't be sorry. Be safe.
Feel free to download your manual for help.
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