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International Comfort Products NDN5100BFB1 Ignition Control Board
An ignition control board checks out the main gas intake valve, the igniter and some more sensing equipment. It has been a very important board that some manufacturers have decided to blend to be a piece of the main circuit board for the sake of being more efficient.
Signs the ignition board needs a replacement ASAP
- The on-signal from the main thermostat gets lost before it makes it to the main board
- Every other device within the furnace is inspected and seems to be just fine
- Ignition system does not begin when it is supposed to
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