Where water going ,could be leak from joint look out for that,may pressure relief valve out side wall of boiler,replace it,if under the floor look out for that
ltd
November 2011
there got to be leak, check pressure valve comes out of boiler may be leaking out to external, if not then is leak in the system
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix plumbing.