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Lennox CB29M-21 Thermistor
In an HVAC system, a thermistor is a specific kind of resistor that has a varied resistance that is governed by thermal temperature. They can tell the system control board when the temperature in increasing or decreasing. The system control board reads the temperature in several different areas to do its job as it should.
How can I tell if my main thermister is about to go out?
- The AC and heat system may never begin because of any thermistor that is damaged
- The main fan could fail in the attempt to engage full speed spinning
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If you are going to be buying or ordering a new Lennox CB29M-21 replacement part do your best and make sure of the model number and also make a visual comparison so that you are positive that the right thermistor is the one being purchased. The installing of a new thermistor can be quite easy if you energy and have the proper tools to get it done.
Feel free to download your manual for help.
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