Watts 774-DNRS 3 - Part of the 774 Series ADA Pad With a reversible design

With a reversible design

Set pressure 100 psi

Nuisance discharge

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cast iron body construction with a 1/2 inch female threaded connection for an expansion tank

Watts 774-DNRS 3 - Part of the 774 Series ADA Pad With a reversible designThis 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 under continuous pressure service and protection at cross connections identified as non health hazards and from other non