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Lennox CB29M-46 Ignition Control Board
The ignition control board is a safety device that keeps an eye on gas intake, the ignition sequence and some other sensors. It is an important safety device that, over the years, has merged to become a piece of the main circuit board instead of a separate board.
Key signs to watch for in a failing ignition control board
- Initial sequence refuses to kick in even when the thermostat kicks it on
- Every other problem throughout the system checked out to be okay
- Initial communication from the main thermostat does not make it to the main board
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If you decide on picking up or ordering a replacement ignition control board for your Lennox CB29M-46, do your due diligence and make sure of the correct model and also make a visual comparison in order to be sure the correct ignition control board is the one being purchased. Once you have the part to install it yourself. Consult with a professional locally to do the job for you.
Feel free to download your manual for help.
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