Sioux Chief HydraRester™ Water Hammer Arrester, Series: 650, 3/4 in Nominal, MNPT, 350 psig, 12 to 32 Fixture Unit Capacity, 250 deg F, Copper Body, EPDM O-Ring, 8-3/4 in L x 1-3/8 in W, Domestic

Tomahawk HydraRester™ Water Hammer Arrester, Series: 650, 3/4 in Nominal, MNPT, 350 psig, 12 to 32 Fixture Unit Capacity, 250 deg F, Copper Body, EPDM O-Ring, 8-3/4 in L x 1-3/8 in W, Domestic

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Sioux Chief 650 Series piston-type water hammer arresters shall be required in piping systems. Water hammer arresters shall have sufficient volume of air to dissipate the calculated kinetic energy generated in the piping system. Arresters shall be effective when installed at any angle. Arresters shall be approved for installation with no access panel required. Water hammer arresters shall be ANSI/ASSE 1010 2004 certified. Arresters shall be sized and placed per manufacturer's instructions.