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Carrier 25HNA636A0030020 Thermistor
In an HVAC system, a thermistor is a certain type of resistor that has a varied resistance that is governed by current temperature. They notify the main board when a certain temperature reaches a certain point. The system control board interprets the temperature throughout the whole system to do its job correctly.
What to see if the system thermister is in need of a replacement?
- Blower fan may fail in the attempt to ramp up
- The whole system may never begin because of any thermistor that is damaged
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If you are going to be buying or ordering a replacement thermistor for your Carrier 25HNA636A0030020 do your best and make sure of the model number as well as make a visual comparison in order to be sure the correct thermistor is the one being purchased. Some pros may have higher labor rates than others so it may be beneficial to look around your area to acquire the best rate if money is a concern.
Feel free to download your manual for help.
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