Watts 957NRPDA-OSY-CFM 4 - Part of the 957RPDA Series chat-hdpe heel proof ductile iron grate

heel proof ductile iron grate supported by a bucket

that prohibit tree root tip cell division

50 Minimum Temperature-Fahrenheit 33 Outlet Connection Size 3/8 IN Outlet Connection Type Male Threaded Outlet Shutoff Valve Type No Shutoff Valve Outlet Thread Type NPT Part Number 0061913 Polymer Coating No Pressure Operation Continuous Protection Type Backsiphonage Seat Material Stainless Steel Series 9BD Strainer No Specification Sheet - 9BD

and an adjustable packing gland

SKAPS GT-180 is a needle

Watts 957NRPDA-OSY-CFM 4 - Part of the 957RPDA Series chat-hdpe heel proof ductile iron grateThis 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 N pattern installation.