Watts 757N-QT 4 - Part of the 757 Series Drain Fitting ZN400C-3NH

ZN400C-3NH

It has a retainer cap tapped for closure plug

Used on in all livestock tanks

and finishing edge detail with style

Watts 757N-QT 4 - Part of the 757 Series Drain Fitting ZN400C-3NHThis 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 contaminated water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and contaminated water authority requirements. It is ideal for protection at cross connections identified as non health hazards and from other