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Lennox G43UF-36C-090 Thermistor
A very basic thermistor is a special kind of new age resistor whose resistance will fluctuate depending on the current temperature. The furnace or AC interprets the temperature in several different areas to know what to do next. They notify the system control board when a temperature in increasing or decreasing.
Some clues the system thermister is going to die
- The system blower could refuse in the attempt to engage full speed spinning
- The system may not operate due to a thermistor that has failed
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If you decide on picking up or ordering a new Lennox G43UF-36C-090 replacement part do your best and cross-check the correct model and also make a visual comparison in order to be sure the right thermistor is the one being purchased. Replacing a new thermistor can be quite easy assuming you have the time and have the proper tools to do it right.
Feel free to download your manual for help.
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