Watts 957ZRPDA-OSY-CFM 4 - Part of the 957RPDA Series chat-hdpe cast iron body with flanged

cast iron body with flanged by grooved end connections

avoiding rust

The Zurn Z513 is a robust area drain engineered for demanding surface drainage applications

ZB453-2NH-5B

Chrome steel case

Watts 957ZRPDA-OSY-CFM 4 - Part of the 957RPDA Series chat-hdpe cast iron body with flangedThis 4 inch reduced pressure detector backflow preventer assembly is designed to prevent the reverse flow of fire protection substances and 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. Extremely compact and lighter than traditional designs it is approved for horizontal Z pattern installation.