The pressure never rises - it just constantly goes down. I suspect there is a leak, but I can't find any obvious wet patches, although since the boiler is in the (very damp) cellar, they are a bit hard to find
I have a volkera combi boiler - I'm not sure what make off the top of my head, though I can go and find out It is constantly losing pressure (one bath or 3 days is enough to go from 1.5bar, the recommended pressure, to 0), so I have to keep turning the pressure tap to keep it high enough to stop the...