Thanks for the replies.
I have left the hose disconnected today. but the drip from the ch side is quiet fast so the pressure is actually reducing!
I thought i would cap these valve ends off, fit a cheaper flow valve to the incoming pipes (seems that these valves are notorious) and see...
Hi,
I have a Vaillant 831 and the pressure is rising overnight to +3, and to reduce I am removing over 1 ltr of water from the system each day. (seems to be easier to do this from the filling loop when disconnected)
I have disconnected the filling loop, there is a small drip from the...