Thanks Mandate - have reduced the pressure to 1 bar (via a rad) until the weekend when i can test the pressure vessel some more as per burnerman's suggestion.
Thanks John for the speedy reply.
Must admit i was planning to redo a section of plumping up in the loft sometime soon so i can put floor boards down so i will be depressurising the system at that point - so may combine both (pressure vessel check first).
Hopefully it wont be too bad to...
Hi All,
Current Normal Pressure = 1.5 (hasn't been topped up for months)
Just Hot Water being used - pressure remains at 1.5
Just C/H on, the pressure quickly rises to just over 3
Pressure doesn't drop below 1.5 (which is where mine differs from other posts as others seems to drop to zero...