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Carrier 58MCB040 Thermistor
In an HVAC system, a thermistor is a thermal resistor, whose rated resistance fluctuates depending on the thermal temperature. They can tell the heating and cooling system when a certain temperature has been reached. The furnace or AC needs to know the temperature throughout the whole system to make a decision on what needs to be done.
Some warnings to watch for in a bad system thermister
- No component may not initiate the starting sequence due to a thermistor that is the problematic one
- The system blower could fail in its attempt to engage full speed
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If you are going to be buying or ordering a replacement thermistor for your Carrier 58MCB040, do your due diligence and make sure of the model number as well as make a visual inspection in order to be sure the correct thermistor is the one being purchased. Make safety your number one priority when you install any HVAC part. If there are any doubts about what you are doing then call a pro. Don't be sorry. Be safe.
Feel free to download your manual for help.
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