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International Comfort Products NAC042AKA1 Ignition Control Board
Another safety feature is the ignition control board, which controls gas intake, the igniter and a few other devices. The ignition control board was always an important board that, in most cases, has become a piece of the main circuit board instead of a separate board.
Indications of a faulty ignition board
- The primary ignition sequence will not start no matter what
- Communication from the main thermostat never turns up at the main board
- Every other problem throughout the system checks out just fine
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