Recent content by neogramps

Thanks a lot - I've read up on problems with the expansion vessel, and it seems to fit the symptoms. Engineer coming tomorrow. Edit - dead on with the diagnosis - expansion vessel was full of water, and a little dirt from the rads (4 years old and never been cleaned/filtered, or recharged...

I need some advice. I have a 3 year old Vokera Compact 28 combi boiler and the pressure is very odd. If the system sits cold, the pressure sits at about 0.5 or lower - but when the heating is on, the pressure goes up to 2.0-2.5. If I repressurise to 1-1.5 while the system's cold, when...