Watts 957 RPDA OSY CFM 2 1 2 Part of the 957RPDA Series Strip Drian ZN150F 4NL ZN150F 4NL Features Supervisory tamper switch indicates the open or closed position of the OSY gate valve and comes furnished with a cubic feet per minute meter to detect underground leaks and unauthorized water use 50 Minimum Temperature Fahrenheit 33 Outlet Connection Size 2 1 2 IN Outlet Connection Type Grooved Joint Outlet Shutoff Valve Type Outside Stem And Yoke Gate Valve Outlet Thread Type Does Not Apply To Product Part Number 0111620 Polymer Coating No Pressure Operation Continuous Protection Type Backpressure and Backsiphonage Series 957RPDA Strainer No Technologies Does Not Apply To Product Tradename None Specification Sheet 957RPDA