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Whirlpool ATR0742BPP0 Ignition Control Board
The purpose of the ignition control board is that it manages gas flow, the igniter and the flame sensing circuits. It is an important board that some companies have moved to be a major component of the main board instead of a separate board.
Major clues of an unhealthy ignition board
- The initial signal from the home thermostat does not get to the main board
- Initial sequence can not fire up when it receives a proper signal
- Every other device in the heating and cooling system checked out to be problem-free
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