Watts 774DCDA-OSY-GPM 8 - Part of the 774DCDA Series Sheet Drain 50 Minimum Temperature-Fahrenheit 33 Outlet

50 Minimum Temperature-Fahrenheit 33 Outlet Connection Size 3 IN Outlet Connection Type Grooved Joint Outlet Shutoff Valve Type Gear Operated Butterfly Valve Outlet Thread Type Does Not Apply To Product Part Number F111781 Polymer Coating No Pressure Operation Continuous Protection Type Backpressure and Backsiphonage Seat Material Engineered Plastic Series 957 Strainer No Technologies Flood Detection Tradename None Specification Sheet - 957

Z1926-4NH-C

50 Minimum Temperature-Fahrenheit 33 Outlet Connection Size 1 1/2 IN Outlet Connection Type Female Threaded Outlet Shutoff Valve Type Quarter Turn Ball Valve Outlet Thread Type NPT Part Number 88004134 Polymer Coating Yes Pressure Operation Continuous Protection Type Backpressure and Backsiphonage Seat Material Stainless Steel Series 009 Strainer No Technologies Flood Detection Tradename None Field Guide - Backflow Preventer Repair Parts 007 and 009

4 Body Material Lead Free Copper Silicon Alloy Brand Watts Corrosion Resistant Coating No Disc Material EPDM EAN 098268332001 Gauge Option Gauge Tapping & Gauge High Pressure Reduced Pressure Range Does Not Apply To Product High Pressure Reduced Pressure Setting Does Not Apply To Product Inlet Connection Size 2 IN Inlet Connection Type Union Female Threaded Inlet Thread Type NPT Lead Free YES Maximum Operating Temperature-Fahrenheit 180 Maximum Working Pressure-BAR 20

Special Installation Instructions - Z888-12

Watts 774DCDA-OSY-GPM 8 - Part of the 774DCDA Series Sheet Drain 50 Minimum Temperature-Fahrenheit 33 OutletThis 8 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 consists of a compact construction and short lay length, ideal for retrofit installations. It features a lightweight stainless steel body, thermoplastic and stainless steel check valves, and low head loss. It has a gallons per minute meter and outside stem and yoke