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International Comfort Products NAC218AKA1 Ignition Control Board
The main reason to have an ignition control board is that it checks out the gas valve, the igniter and a few other devices. It has always been a vital electronic circuit board that some manufacturers have decided to blend to be a standard part of the main board for enhanced safety.
Major clues your main ignition board has little life left
- Every other thing throughout the system is explored and ends up being in good health
- The main ignition cycle can not kick in then the thermostat send a signal
- Signal from main thermostat never gets to the control board
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