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Lennox CB27UH-042 Thermistor
In an HVAC system, a thermistor is a certain type of resistor which has a resistance that depends on the temperature at its location. They tell the HVAC system when a certain temperature reaches a certain point. The system control board must know the temp in certain areas to understand what is going on.
Major symptoms your all-important thermister is not going to last much longer
- No component could possibly not even begin due to a damaged thermistor
- The main fan refuses in the attempt to get up to full speed
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If you are going to be buying or purchasing a replacement thermistor for your Lennox CB27UH-042, do your due diligence and make sure of the model number and also make a visual inspection so that you are positive that the correct replacement thermistor is being ordered. There is no need to install the replacement part alone. Consult with a professional in your area to replace the part.
Feel free to download your manual for help.
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