Recent content by AndyN11

After pestering Grundfoss, Wilo and Bosch (who incidently insist on an automatic bypass but are unable to advise how it should be set up) I got a very sensible reply from Grundfoss and installed a Taconova setter valve. I t works brilliantly when the boiler shuts down both motorized valves close...

It seems that the person who raised the original question no longer in the forum so I repeat my problem. I have a Worcester Bosch 18Ri gas fired boiler installed the design of the boiler is such that it controls the circulating pump and so far all is well but I have a question for which I would...

I have exactly the same query and exactly the same stone walling , have you had this problem resolved?