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Lennox CB28UH-018 Thermistor
In an HVAC system, a thermistor is a special kind of new age resistor that has a swinging resistance is dependent on the current temperature. They inform the system when the temperature has been reached. The main control board reads the temperature in several different areas to understand what is going on.
Hints your all-important thermister should be replaced
- The main fan refuses to begin to engage full speed spinning
- The heating and AC system could possibly not operate due to any one malfunctioning thermistor
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If you are going to be buying or purchasing do your best and make sure of the model number as well as make a visual inspection so that you are positive that the correct replacement thermistor is the one being purchased. Replacing a new thermistor can be quite easy if you know what you are doing and have the proper tools to do it right.
Feel free to download your manual for help.
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