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International Comfort Products HAC436AKA1 Ignition Control Board
The ignition control board is a safety device that has control over gas flow, the ignition sequence and the flame sensing circuits. It has always been a vital electronic circuit board that has now become a vital part of the main control board for enhanced safety.
Important hints your main ignition board is in dire need of a replacement
- The on-signal from the primary thermostat does not show up at the control board
- Everything else in the system is inspected and seems to be all right
- Initial sequence does not activate at all
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