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Lennox G40DF-60C-110 Control Board
The system will cease to run without this vital piece of hardware is accurately installed and configured. The control board is constructed to regulate everything including the gas valve, the ignition igniter, most sensors and the blower all in one unit. It is of utmost importance while selecting a replacement due to the vast differences in certain brands. The brand of board you choose should be compatible with both the brand and model of your heating and cooling system.
Clues to watch for to know your primary control board needs a replacement ASAP
- There seems to be flashing code shown directly somewhere on the board
- The control board needs to be reset quite a lot in order to run
- AC unit or heating unit cannot work whatsoever
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