Watts 957ZRPDA-BFG-GPM 4 - Part of the 957RPDA Series nwgf This 3/4 IN lead free

This 3/4 IN lead free thermostatic mixing valve is designed for commercial

Piston Diaphragm Assembly

Z627-4NH-DG

stainless steel non-rising stem and cast iron handwheel

ZB191-5X4X24-2NH

Watts 957ZRPDA-BFG-GPM 4 - Part of the 957RPDA Series nwgf This 3/4 IN lead freeThis 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.