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Lennox G40DF-60D-135 Ignition Control Board
The purpose of the ignition control board is that it oversees the gas valve, the ignition timing as well as other safety devices. It has always been a vital circuit board that some companies have moved to be a vital part of the main control board instead of a separate board.
General warnings poorly running ignition control board
- Every other device within the system checks out fine
- Initial ignition sequence fails to kick in then the thermostat send a signal
- The on-signal from the remote thermostat never does reach the main board
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If you are going to be buying or purchasing do your best and double check the correct model and also make a visual inspection so that you are positive that the correct ignition control board is the one being purchased. It can be quite simple to replace a ignition control board on your Lennox G40DF-60D-135 so long as you have previous experience and have the time and tools to replace it.
Feel free to download your manual for help.
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