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Lennox HPXA12-018 Ignition Control Board
The main reason to have an ignition control board is that it keeps an eye on gas intake, the ignition timing and all the flame sensing devices. It has been a very important safety feature that is usually a vital part of the main control board instead of its own individual board.
How can I tell if my main ignition board is dying?
- Communication from the primary thermostat never does reach the Lennox control board
- Every other problem within the heating and AC system is explored and ends up being fine
- HVAC ignition cycle fails to activate no matter what
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