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Lennox 13HPD-018 Ignition Control Board
The main reason to have an ignition control board is that it governs gas flow, the igniter and some more sensing equipment. It has always been a vital electronic circuit board that some manufacturers have decided to blend to be a vital part of the main control board for the sake of being more efficient.
Major signs your main ignition board has very little life left
- Communication from the thermostat does not reach the main board
- Ignition sequence can not fire up at all
- Any other problem throughout the system is explored and ends up being OK
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