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Lennox G40UH-48C-135 Ignition Control Board
The main ignition control board may control gas intake, the igniter and some other sensors. The ignition control board was always an important safety device that, over the years, has merged to become a standard part of the main board for the sake of being more efficient.
Key symptoms of a weak chief ignition control board
- Signal from home thermostat never turns up at the main board
- Everything else in the HVAC system checked out to be OK
- The ignition system declines to commence no matter what
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Before you decide on buying or purchasing a replacement ignition control board for your Lennox G40UH-48C-135 do your best and double check the correct model and also make a visual comparison in order to be sure the correct replacement ignition control board is being ordered. There is no need to install it yourself. Consult with a professional in your town or city to replace the part.
Feel free to download your manual for help.
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