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Lennox G40UH-48C-110 Control Board
The system will cease to run unless this important circuit board is installed. The Lennox G40UH-48C-110 control board is designed to control the gas valve, the ignition igniter, all the various sensors as well as the blower all together. You should always be careful when you are choosing a replacement board because of the wide variety of models and types. The correct control board will need to be a match with your existing board and be compatible with both the brand and specific model of air handler system you have.
What signals that my Lennox control board is not working properly?
- The system board needs to be reset often in order to continue running
- The AC or furnace declines to operate correctly
- System has some sort of error code displayed on the circuit board
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Before buying or ordering any Lennox G40UH-48C-110 replacement part do your best and cross-check the model number as well as make a visual inspection so that you are positive that the correct replacement control board is being ordered. Take safety precautions when you install any HVAC part. If you are not sure what to do then call a pro. Don't be sorry. Be safe.
Feel free to download your manual for help.
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