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Mitsubishi MSZ-FD09NA Thermistor
A thermistor is a special kind of new age resistor that has a swinging resistance is directly proportioned to heat. They inform the circuit board when the temperature has been reached. The main control board must know the temp in some specific areas of the system to ensure that things are as they should be.
Key signs to watch for in a bad system thermister
- The main blower refuses in the attempt to ramp up the airflow
- The whole system could possibly not even begin because of any improperly set thermistor
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Before buying or purchasing, do your due diligence and cross-check the correct model as well as make a visual comparison so that you are positive that the proper replacement thermistor is being ordered. There is no rule that says you have to install the replacement part alone. Hire a pro in your town or city to hire and install the part for you.
Feel free to download your manual for help.
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