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International Comfort Products H9MPT125L20A1 Ignition Control Board
The purpose of the ignition control board is that it oversees gas flow, the igniter and all the flame sensing devices. It has always been a vital safety feature that is usually a vital part of the main control board instead of having two separate boards.
Major signs of a weak ignition board
- Every other problem in the heating and cooling system checked out to be acceptable
- Ignition cycle is unwilling to kick in at all
- The electrical signal from the home thermostat never does reach the control board
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