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International Comfort Products NAC018AKA1 Ignition Control Board
The main reason to have an ignition control board is that it regulates the gas valve, the ignition timing and other safety devices built into the system. It has been a very important safety device that, over the years, has merged to become a part of the main control board instead of its own individual board.
Chief elements of a bad major ignition board
- Every other potential issue within the system checks out problem-free
- The ignition cycle refuses to begin even when the thermostat kicks it on
- The initial signal from the thermostat never moves to the main board
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