Clueless! I've tried to set the timer to just come on twice a day but find it is forever just switching itself on....( touch of the Stephen Kings) worcester have discontinued the manual on thier site and when we bought the house it came without one. Anyone help. Ta

Hilda Rigby, February 2010

go on goggle web site.
type in setting timer worcester 24i combi boiler?
down load your free boiler manual

the timer you don't say what make it is basically google the maker of the timer and model number

wirecutterman, February 2010