Watts 757-OSY-FXG 3 - Part of the 757 Series Tactile Paving This 1/2 inch lead free

This 1/2 inch lead free anti-siphon pressure vacuum breaker backflow preventer prevents the reverse flow of polluted water from entering into the potable water supply due to backsiphonage

Z187-2NH-6×8×12

Z551-4IP-VP

ZB400I-4NH

This product is available in double dipped galvanized steel and stainless steel options

Watts 757-OSY-FXG 3 - Part of the 757 Series Tactile Paving This 1/2 inch lead freeThis 3 inch lead free double check valve backflow preventer assembly is designed to prevent the reverse flow of water of non potable quality from being pumped or siphoned into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements. It is ideal for protection at cross connections identified as non health hazards and from other contaminants found at the service line