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Carrier EW Thermistor
A very basic thermistor is a type of resistor which has a resistance that is governed by temperature. They inform the HVAC system when a temperature reaches a certain point. The heating and cooling system interprets the temperature in some specific areas of the system to make sure everything is running smoothly.
Clues your all-important thermister is dead
- Blower fan refuses in its attempt to ramp up
- The initial sequence may not function because of any failed thermistor
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If you are going to be buying or ordering any Carrier EW 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 proper replacement thermistor is the one being purchased. Installation of a new thermistor is a piece of cake assuming you have the time and have the tools to get it done.
Feel free to download your manual for help.
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