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Lennox G40DF-48C-110 Control Board
The control board is designed to direct the gas valve, the ignition igniter, all the various sensors as well as the blower all at once. Heating and cooling systems will not even operate whatsoever without the main control board configured and seated properly. The board you choose will need to be a match with your existing board and be compatible with the brand and the model of the unit in question. It is imperative that you select wisely when you choose a replacement because of the diversity of brand and air handler types.
Major signs your main board needs a replacement ASAP
- There may be a flashing error code directly on the circuit board
- The control board has to be powered down and back up quite often in order to continue running
- Your HVAC unit is unable to start whatsoever
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Before you decide on buying or ordering any Lennox G40DF-48C-110 part do your best and cross-check the model number as well as make a visual inspection so that you are positive that the right control board is the one being purchased. If you are not sure about the properly replacing the control board by yourself then it would be in your best interest to consult a pro to do the work for you.
Feel free to download your manual for help.
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