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International Comfort Products GNL125N20C3 Ignition Control Board
The ignition control board is a safety device that controls the main gas intake valve, the igniter and some more sensing equipment. It is an important safety feature that, in most cases, has become a major component of the main board instead of its own individual board.
Symptoms the ignition board is dead
- HVAC ignition cycle can not initiate even when called upon
- Every other device connected to the system is inspected and turns out to be all right
- Communication from the remote thermostat does not reach the main board
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