I've always been under the assumption that 15mm copper was exactly the same as 1/2".
However in the plumbing section in B&Q the other day, I noticed 15mm to 1/2" 'adaptors/converters'. Just straight couplers as far as I could see.
Maybe there is a slight difference, but it's never bothered me.
However in the plumbing section in B&Q the other day, I noticed 15mm to 1/2" 'adaptors/converters'. Just straight couplers as far as I could see.
Maybe there is a slight difference, but it's never bothered me.