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Friedrich MW12C1H Thermistor
A very basic thermistor is a type of resistor that has a fluctuating resistance that changes as it depends on current temperature. The furnace or AC needs to know the temperature in some specific areas of the system to understand what is going on. They convey to the system control board when a certain temperature reaches a certain point.
Signs the system thermister is failing
- Blower fan could never begin to begin to get up to full speed
- The AC and heat system may not even start due to a improperly set thermistor
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If you are going to be buying or ordering do your best and cross-check the model number as well as make a visual comparison in order to be sure the proper replacement thermistor is the one being purchased. It can be quite simple to replace a thermistor on your Friedrich MW12C1H as long as you know what you are doing and have all the necessary tools to do the job.
Feel free to download your manual for help.
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