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International Comfort Products H9MPD100J14B1 Ignition Control Board
The purpose of the ignition control board is that it controls the gas valve, the igniter and some other sensors. It is an important electronic safety board that is now usually a vital part of the main control board for safety reasons.
Signals the ignition board has little life left
- Initial ignition sequence declines to fire up then the thermostat send a signal
- The electrical signal from the primary thermostat does not reach the main control board
- Any other device in the system is inspected and seems to be just fine
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