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Lennox XP13-048 Ignition Control Board
The purpose of the ignition control board is that it governs the main gas intake valve, the ignition timing and other safety devices built into the system. It is an important safety device that is now usually a part of the main control board for safety reasons.
Some clues of a declining ignition board
- Ignition cycle can not kick in when it is supposed to
- Signal from thermostat does not get to the Lennox control board
- Every other potential issue throughout the system checked out to be fine
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