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International Comfort Products H9MPD100J20B1 Ignition Control Board
The main reason to have an ignition control board is that it checks the main gas intake valve, the igniter and a few other devices. It has been a very important electronic circuit board that has now become a standard part of the main board for the sake of being more efficient.
Clues the major ignition board needs replacing ASAP
- Every other device attached to the system checks out a-OK
- The on-signal from the remote thermostat does not get to the control board
- Initial sequence declines to activate when it is supposed to
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