Waterco FPI 3 way valve.Suits 40mm or 50mm pipe.
Glue the 40mm pipe inside the valve, or a 50mm pipe can be attached via a 50mm coupling.
Very common valve.
You can also remove the centre for retro fitting into a worn out existing FPI valve if you didn't want to cut the old valve out.
FPI valves has been designed to be simple to install, inspect and service. Constructed from UPVC and ABS and equipped with 316 stainless steel components, FPI valves are built to last.