I had my conventional gas boiler replaced two years ago with a WB condensing
combi. System has been fine ever since, but yesterday when I checked the
system pressure guage on the boiler I noticed that it was almost down to the
I bled all the rads (just a bit of air in the 'ladder' towel rad in the
bathroom - the rest ok) and then re-pressurised the system.
Today the pressure has dropped again - not a huge amount but it is clearly
I have checked all the rad connections and bleed points and there is no sign
of a leak anywhere - so any leak must be under a floor somewhere.
Bearing in mind that I have laminate flooring in lounge, kitchen, and one
bedroom - and Karndean flooring in the bathroom, I'm horrified at the
thought of having to lift flooring to find a leak.
Is there any way to isolate the location of a leak - or am I stuffed?