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Lennox CB30U-65 Thermistor
A thermistor is a specific kind of resistor which has a resistance that depends on the actual temperature is perceives. They notify the circuit board when a certain temperature in increasing or decreasing. The heating system takes the temperature in several different areas to do its job as it should.
Major indications your all-important thermister has very little life left
- The system blower fails in its attempt to engage full speed
- The heating and cooling system may not even start depending on which is the problematic thermistor
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Before buying or purchasing any Lennox CB30U-65 replacement part, do your due diligence and make sure of the correct model as well as make a visual inspection so that you are positive that the proper replacement thermistor is the one being purchased. If you are unsure about the correct way of installing the thermistor by yourself then it would be in your best interest to find a professional in your area to do the replacement of the part.
Feel free to download your manual for help.
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