it tells you in the instuctions. i take it your not a plumber, if not and you fit it you won't be able to set the gas , and a plumber will not cert someone elses work, its illegal so your boiler will be worthless
hi-spec plumbing
November 2006
Automatic Answer
We may have found other answers which could help you.
howtomendit.com for free repair help, information and advice.
