my engineer is not keen to do this he as says he has to take boiler off wall etc to fit and has suggested a new boiler.
Do you know if you should drain part of the system down before pumping up the pressure vessel
Hi,
My potterton performa 28i is sick!! It is continually losing water out of the what I would call the overflow pipe (about a litre a day) - thus needs topping up via the filling loop at least once a day usually more. The engineer has changed the safety value twice, the overheat...