Climber Needs To *** Into Runny Paste
Crosswords2 mins ago
No best answer has yet been selected by maitre d'. Once a best answer has been selected, it will be shown here.
For more on marking an answer as the "Best Answer", please visit our FAQ.Sometimes the mains pipes are 22mm copper pipes and the branch feeds to the radiator are 15mm pipes. If this is the case then you should be ok to cap off.
However, the pipes do not need to be connected together to keep the system working as the main flow/return should run through the whole building with branches for radiators.