Sioux chief 660-HB piston-type water hammer arresters shall be installed where required on washing machine valves. Water hammer arresters shall be specifically sized and have sufficient volume of air to dissipate the calculated kinetic energy generated by closing residential washing machine valves. Arresters shall be installed on both hot and cold supply inlets of washing machine valves. Arresters shall be approved for installation with no access panel required.
Piston-type water hammer arrester
304 stainless steel arrestor body
3/4″ female hose thread on branch
3/4″ male hose thread on trunk