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International Comfort Products N9MP2100J20C2 Ignition Control Board
The purpose of the ignition control board is that it controls gas flow, the igniter and the flame sensing circuits. It has been a very important safety device that has now become a vital part of the main control board instead of a separate board.
Main clues the major ignition board will eventually need to be replaced
- HVAC ignition cycle can not commence even when called upon
- Every other thing in the heating and cooling system checks out flawless
- Initial communication from the main thermostat never turns up at the main control board
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