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International Comfort Products HAC042AKA1 Ignition Control Board
The purpose of the ignition control board is that it has control over the natural gas, the igniter and some more sensing equipment. It is an important safety feature that, over the years, has merged to become a standard part of the main board for enhanced safety.
Cues of an ailing major ignition board
- Initial ignition sequence fails to begin no matter what
- Any other problem connected to the system is looked at and turns out to be in good health
- The electrical signal from the primary thermostat never does reach the control board
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