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International Comfort Products H8DNL125L20B1 Ignition Control Board
The purpose of the ignition control board is that it keeps an eye on the natural gas, the ignition timing and the flame sensing circuits. It has been a very important board that some companies have moved to be a piece of the main circuit board for enhanced safety.
Indications the chief ignition control board will have to be replaced
- The electrical signal from the thermostat does not show up at the main board
- Ignition sequence can not initiate then the thermostat send a signal
- Every other problem within the system checks out good
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