Midbrass Water Hammer Arrestor Suitable for UK Washing Machines 3/4''Product Overview\nThe Midbrass Water Hammer Arrestor is an effective way to stop banging pipes\nwhen valves or outlets are closed suddenly. It is very simply fitted as it\nattaches directly onto washing machine valves with its 3/4\""M-3/4\""F compression\nfittings. This can also be easily adapted elsewhere in the home. Installed\nwithin 1.5m of the problem source, the issue of banging pipes will be\nresolved, providing continual protection from water hammer or pulsing damage.\nInstall instructions Can be fitted vertically or horizontally. Fit female hose\nthread onto your washing machine shut-off valves. Install washing machine\nsupply hose onto the male thread outlet of water hammer arrestor. Hand tighten\nconnections and use a wrench to tighten an extra 1/4 turn. Do not overtighten.\nImportant:- A pressure reducing valve should be installed before the hammer\narrestor for any systems exceeding 60psi (4 Bar) pressureg