Yes I should have mentioned that I haven't done the work myself - the pipework has been installed and pressure tested by a registered plumber friend of mine and an independant Corgi registered engineer will be installing the boiler unit and commissioning it for me.
I've ripped the old boiler out of a house I'm refurbishing and I need to install a new combi-condenser. A lot of the old complex network of pipework has gone and a more simplified system of brand new pipes fitted in its place.
I need a combi unit that will both perform well and be...
