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Lennox G40UH-60C-110 Thermistor
In an HVAC system, a thermistor is a certain type of resistor whose resistance varies depending on the thermal temperature. They convey to the circuit board when a temperature in increasing or decreasing. The control board must know the temp throughout the whole system to be sure everything is going well.
Signals the system thermister is dying
- The system could possibly never start due to any one thermistor that is stuck open
- The main fan could fail to begin to engage full speed spinning
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If you decide on picking up or purchasing any Lennox G40UH-60C-110 replacement part do your best and double check the correct model as well as make a visual comparison in order to be sure the proper replacement thermistor is the one being purchased. You do not have to install it yourself. Hire someone with experience locally to replace the part.
Feel free to download your manual for help.
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