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Lennox G40DF-48C-090X Ignition Control Board
The main ignition control board governs the gas valve, the ignition ignitor and the flame sensing circuits. The ignition control board was always an important electronic safety board that is now usually a piece of the main circuit board for safety reasons.
Clues to watch for to know your Lennox ignition control board is going out
- Initial communication from the primary thermostat gets lost before it makes it to the main board
- The ignition cycle is unwilling to launch no matter what
- Every other device in the system checks out acceptable
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If you decide on picking up or ordering any Lennox G40DF-48C-090X part, do your due diligence and double check the model number as well as make a visual inspection so that you are positive that the right ignition control board is being ordered. You do not need to install the part by yourself. Locate a pro in your area to do it for you.
Feel free to download your manual for help.
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