Sioux Chief 1" MIP Thread Hydra-Rester Water Hammer Arrestor (Lead Free)

Certified by the American Society of Sanitary Engineering to the ANSI/ASSE 1010-2004 Standard Lifetime cycle tested at U.S. Testing Laboratories to withstand 10,000 shock cycles. Factory tested to withstand 500,000 cycles without failure (654-C tested) HydraRester™ male sweat fittings are compatible with press-fitting systems, such as Viega ProPress™ and all push-fitting systems Allows for installation in 2 × 4 wall cavity Installs at any angle ASSE 1010 certified as a water hammer arrester that is “designed to provide continuous protection, without maintenance” allowing the HydraRester to be installed without access panels