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International Comfort Products PAF042K000A Ignition Control Board
The purpose of the ignition control board is that it controls the main gas intake valve, the ignition sequence and the flame sensing circuits. The ignition control board was always an important board that is now usually a major component of the main board instead of having two separate boards.
General warnings of a weakening main ignition board
- Ignition system is unable to begin even when called upon
- Any other device in the system is explored and ends up being problem-free
- The initial signal from the home thermostat does not reach the control board
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