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Lennox 90UGF Series Ignition Control Board
The purpose of the ignition control board is that it has control over the natural gas, the ignition sequence and all the flame sensing devices. It is an important electronic safety board that some companies have moved to be a major component of the main board for enhanced safety.
Major symptoms the major ignition board will eventually need to be replaced
- Everything else throughout the system checked out to be acceptable
- The ignition cycle does not kick in when called upon
- The electrical signal from the thermostat does not get to the control board
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Before buying or purchasing any Lennox 90UGF Series part, do your due diligence and cross-check the correct model as well as make a visual inspection in order to be sure the correct replacement ignition control board is being ordered. Replacing the ignition control board is a breeze if you energy and have the tools to get it done.
Feel free to download your manual for help.
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