Watts 757-NRS 10 - Part of the 757 Series inlet-protection-finder Z530-3NH-G

Z530-3NH-G

This 1 1/4 inch lead free double check valve backflow preventer assembly is designed to prevent the reverse flow of contaminated 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

and test cock on top of ports

ZB1910-3IC

This 1/2 IN cover replacement kit

Watts 757-NRS 10 - Part of the 757 Series inlet-protection-finder Z530-3NH-GThis 10 inch stainless steel double check valve backflow preventer assembly is designed to prevent the reverse flow of objectionable but not toxic water 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