Hozelock Non Return Valve - Hozelock 2181  Ref: HOZ2181 Hozelock Non Return Valve - Hozelock 2181
All plastic double check valve used on outside taps to stop backflow into the mains water system Suits 1/2 Bsp 5/8 Bsp and 3/4 Bsp tap threads in other words 99.9 percent of outdoor taps