Series LF05 Lead Free* Mini Water Hammer Arrestors are used in light commercial and residential applications to control water pressure shock and prevent water hammer conditions. Series LF05 is factory air charged and is not rechargeable. It can be installed in new or existing plumbing systems, in concealed locations, with a standard pipe tee in any angle. Series LF05 is ideal for dishwashers, washing machines, and quick-closing faucets. Available in various models: Model LF05 with NPT connections, Model LF05H with hose connections, Model LF05S with solder connections, Model LF05C with compression connections, and Model LF05-PEX-T with barb tee. Maximum Working Pressure: 150psi (10.3 bar).