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International Comfort Products NAC036GKA1 Ignition Control Board
Another safety feature is the ignition control board, which has control over the gas valve, the ignition sequence and the flame sensing circuits. It is an important electronic safety board that some companies have moved to be a vital part of the main control board instead of its own individual board.
Major symptoms your ignition control board will need replacing
- HVAC ignition cycle declines to begin even when called upon
- Communication from the thermostat never does reach the main control board
- Every other device throughout the system is looked at and turns out to be problem-free
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