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International Comfort Products NBF100J20A1 Ignition Control Board
The main ignition control board checks out the natural gas, the ignition ignitor and some other sensors. It has been a very important board that is now usually a standard part of the main board for enhanced safety.
Key clues of a failing ignition control board
- The main ignition cycle declines to begin then the thermostat send a signal
- Any other device in the system is researched and comes to be a-OK
- The electrical signal from the thermostat does not reach the main board
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