DZR Brass allow its use below the waterline
BRASS Compression STOPCOCK DZR 22mm Copper x 25mm MDPE BS1010 POLY
Blue 25mm MDPE pipe in ,standard 22mm copper pipe or plastic out
Suitable for Copper or Stainless Steel tube and plastic pipe
Brass compression fittings are ideal for use in domestic and commercial heating systems, air pressure lines, fluid distribution and air conditioning systems.
Made of High quality brass fittings.
Complies to BS EN 1254-2