MikeJ2005 : many thanks for your time in answering my question. The boiler is still in the box, and will remain so until the corgi plumber unpacks it and assembles it.
I will ensure that each rad TRV is identically set up.
JohnD : my gut feel was the feed, but I was after some 2nd...
I am thinking about installing myself HEP plastic pipe into a project I am doing. I am not a plumber, and have some basic knowledge of general DIY. (dangerous I know !!!)
At present, the house is complete gutted, so i have, basically, a blank canvas to work with.
I have been shown how to...