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Lennox G20 Ignition Control Board
The main reason to have an ignition control board is that it may control the natural gas, the ignition sequence and some more sensing equipment. The ignition control board was always an important safety device that is now usually a piece of the main circuit board for the sake of being more efficient.
Warnings of a laboring ignition control board
- Communication from the thermostat gets lost before it makes it to the main control board
- The primary ignition sequence can not start even when the thermostat kicks it on
- Everything else in the heating and cooling system checks out in good condition
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If you decide on picking up or purchasing any Lennox G20 part, do your due diligence and cross-check the correct model as well as make a visual inspection so that you are positive that the correct ignition control board is the one being purchased. The installing of the ignition control board is not difficult if you possess the knowledge and have the tools to get it done.
Feel free to download your manual for help.
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