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can any one identify this fault?

i have a worcester boiler cdi there is no hot water but the heating works it there a change over valve on this which could be sticking or broken
jeff richardson, February 2009
yep defo diverter valve

stubow, February 2009
yes -that is without doubt the problem.new changeover two way valve reqd

richard childs, February 2009
link Click here to see other fixes for Worcester.