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Lennox G40UH-48B-090 Ignition Control Board
The ignition control board is a safety device that oversees gas flow, the ignition sequence and all the flame sensing devices. The ignition control board was always an important circuit board that has now become a vital part of the main control board instead of its own individual board.
What are the clues to watch out for to know my chief ignition control board is in need of replacing?
- Every other thing attached to the system is explored and ends up being a-OK
- Communication from the thermostat never makes contact with the Lennox control board
- HVAC ignition system declines to fire up when it is supposed to
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Before you decide on 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. There is no rule that says you have to replace the part all by yourself. Find a professional in your area to pay to install it for you.
Feel free to download your manual for help.
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