Watts 4 957-OSY-FP - Part of the 957 Series Sheet Drain Dura Skrim 2FR is a

Dura Skrim 2FR is a fire-retardant film designed for applications requiring high puncture and tear resistance along with fire safety

Red Silicone Disc Elastomer Kit Type First Check Kit Lead Free Yes UPC - 098268126853

50 Minimum Temperature-Fahrenheit 33 Outlet Connection Size 1/2 IN Outlet Connection Type Female Threaded Outlet Thread Type NPT Part Number 0009234 Series LF25AUB-Z3 Standard Reduced Pressure Setting-BAR 3

Optional finishes are available to match project aesthetics or environmental conditions

cover O-ring

Watts 4 957-OSY-FP - Part of the 957 Series Sheet Drain Dura Skrim 2FR is aThis 4 inch reduced pressure zone assembly backflow preventer with SentryPlus Alert technology with automatic shutoff ACV for flood detection and prevention is designed to prevent the reverse flow of contaminated water 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, as well as provide alerts and automatic shutoff capability