^^^ Well :D it would'nt be in the intrest of a pro on here to give assistance
or to recomend DIY as it would take business away from them that's why a
lot try and put the fear of god into you over straight forward DIY jobs.
It seems to be all copper tee (the pipes and joints) like the one pictured, the joint has 2 pipes leading away horizontally and the middle one does too but only for about an inch and then it's been bent up for another 4 inch and leads to the radiator/stop valve.
It has been soldered when the...
:D I was doing some work on a radiator, behind the rad the plaster had crumbled away and the brackets had come loose to the point the rad was unstable.
Now the radiator is securely in place but I had to firmly push the copper pipe over to the rad in order to fit and thus the copper joint from...