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Can anyone help me.
I am currently changing my Bathroom. All the piping is lead which I am going to change to copper the piping at the boiler is 22mm copper. Can I change the piping at the boiler to 15mm copper piping or do I need to run 22mm all the way through the bathroom.
I am currently changing my Bathroom. All the piping is lead which I am going to change to copper the piping at the boiler is 22mm copper. Can I change the piping at the boiler to 15mm copper piping or do I need to run 22mm all the way through the bathroom.