Watts 774DCDA-OSY-TS-CFM 12 - Part of the 774DCDA Series silt-fence-selector Z645-3NH-Y

Z645-3NH-Y

This second check replacement kit is used to repair or replace the second check on a 2 1/2 to 3 inch lead free lead free double check valve assembly and is used to prevent the backflow of contaminated water into the potable water supply

UPC - 098268334487

This 1 inch lead free reduced pressure zone backflow preventer assembly is designed to prevent the flow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements

Features 3/4 Nickel bronze grate

Watts 774DCDA-OSY-TS-CFM 12 - Part of the 774DCDA Series silt-fence-selector Z645-3NH-YThis 12 inch double check detector backflow preventer assembly prevents the backflow of fire protection system substances from being pumped or siphoned into the potable water supply. It is designed for installation on applications identified by local authorities as non health hazard, such as on fire protection systems. This assembly consists of a compact construction and short lay length, ideal for retrofit installations and can be installed in a