on some models the on/off switch has a reverse action on them meaning when you turn the button to the O postion you can turn it left slighty which is the reset switch if it is hold for five sec then turn on boiler .
hope this is ok for you.
cantona
October 2010
I can answer this question...
how can i re set my boiler i keep getting a error code the boiler is a BG 5?
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