Watts 757DCDA-OSY-LM 3 - Part of the 757DCDA Series SITEDRAIN ZN415J-3NH

ZN415J-3NH

two in-line independent check valves

In-line applications

This second check repair kit provides all the parts necessary to repair or replace the second check on a 2 inch reduced pressure zone assembly backflow preventer

Designed to prevent the backflow of polluted water from entering into the potable water supply

Watts 757DCDA-OSY-LM 3 - Part of the 757DCDA Series SITEDRAIN ZN415J-3NHThis 3 IN double check detector backflow preventer assembly prevents the backflow of pollutants that are objectionable but not toxic, from entering into the potable water supply. Its compact housing consists of two independently operating tri link check valves, two shutoff valves, and four test cocks. It features a stainless steel housing and sleeve and is 70 percent lighter than traditional designs. It is designed for non health hazard applications