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International Comfort Products HAC042GKA4 Ignition Control Board
An ignition control board oversees the gas valve, the ignition timing and some more sensing equipment. The ignition control board was always an important circuit board that is usually a standard part of the main board for the sake of being more efficient.
Simple signals your main ignition board has little life left
- Initial communication from the main thermostat does not show up at the main control board
- Ignition system is unwilling to start when it receives a proper signal
- Every other device in the system is researched and comes to be problem-free
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