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Lennox CB27UH-024 Thermistor
A thermistor is a special kind of new age resistor whose resistance depends on the amount of, or lack thereof, heat. The system control board reads the temperature in several different areas to know what to do next. They can tell the system control board when a certain temperature reaches a certain point.
Major symptoms your thermister should need replacing
- The whole HVAC system may not initiate the starting sequence due to any one broken thermistor
- Primary blower fails to begin to engage full speed
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Before you decide on buying or ordering a new Lennox CB27UH-024 replacement part, do your due diligence and make sure of the model number as well as make a visual inspection so that you are positive that the proper replacement thermistor is the one being purchased. Some pros can be expensive so you may want to keep a lookout locally to find a good deal if you do not want to pay too much.
Feel free to download your manual for help.
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