This brass wall plate elbow suits 22mm copper or plastic pipe.
Used to wall mount a larger (3/4 inch) outside tap / bib tap.
This fitting is also known as a wing-back or backplate elbow.
Compression plumbing fittings do not require heat or solder. The joint is formed by tightening a nut and compressing the olive (included with fitting) onto a copper or plastic pipe, which forms the seal. They can be used on wet pipework, and are suitable for hot and cold systems.
** BSP thread sizes are measured a special way - have a look at our information page for more details **