I Need a diagram or manual to identyfie whch of the three pips is the Gas in, I think it is the 1/4 inch copper one but would like to be sure before starting work. the other two are larger diamiter and one is definitly got Hot water in it.
I just like to be sure i have the right pipe.
Thanks in advance.

Kevin O'Hara, December 2006

Hi, thanks for the quick responce, All done and happy.
Spot on & have a good Xmass and new Year. :-)

Kevin O'Hara, December 2006

you'll have your flow and return which are the larger two pipes 22mm /28mm going to the heat exchanger your other pipe the 15mm is your gas and that will go to the gas valve.

hi-spec plumbing, December 2006