15mm copper pipe can be easily adapted to the PWS system by using the Copper Adaptor Kit
All products with the 16mm logo are compatible with 16mm pipe.
All products with the 20mm logo are compatible with 20mm pipe.
Products with the 20mm to 16mm logo are reducing fittings that are used to adapt between 20mm pipe and 16mm pipe
All PWS Brass Components are Dezincification Resistant.