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GLOW WORM 24 CI?

My boiler is over pressurising to 3.0 bar expansoin vessels checked and charged ok. what else can i check as my wife is freezing.
Richard Gregson, January 2008
mine done the same try the flexible hose to the expansion vessel it will probaly be blocked

darren stimpson, March 2008
the in built filling loop seems to be passing water . have u checked this? because apart from expansion vess. it can't be anything ele's

chilli heating,Teesside, January 2008