Watts 757N-OSY 2 1/2 - Part of the 757 Series Z100F-3NH This repair kit is for

This repair kit is for the replacement of the 1 1/4 to 2 inch backflow preventer valve cover

The double throttling design controls both the hot and cold water supply to the mixed outlet

The reason for this is so that surface roots can be quickly identified and clipped back

50 Minimum Temperature-Fahrenheit 33 Outlet Connection Size 1 IN Outlet Connection Type Female Threaded Outlet Shutoff Valve Type Quarter Turn Ball Valve Outlet Thread Type NPT Part Number 88004091 Polymer Coating No Pressure Operation Continuous Protection Type Backpressure and Backsiphonage Seat Material Stainless Steel Series LF009 Strainer No Technologies Flood Detection Tradename None Specification Sheet - Flood Sensor Connection Kit - Watts

50 Minimum Temperature-Fahrenheit 33 Outlet Connection Size 2 1/2 IN Outlet Connection Type Female Threaded Outlet Shutoff Valve Type No Shutoff Valve Outlet Thread Type NPT Part Number 0792044 Polymer Coating No Pressure Operation Non Continuous Protection Type Backsiphonage Seat Material Silicone Series LF288A Strainer No Technologies Does Not Apply To Product Specification Sheet - LF288A

Watts 757N-OSY 2 1/2 - Part of the 757 Series Z100F-3NH This repair kit is forThis 2 1 2 inch lead free double check valve backflow preventer assembly is designed to prevent the reverse flow of contaminated water of non potable quality from being pumped or siphoned into the potable contaminated water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and contaminated water authority requirements. It is ideal for protection at cross connections identified as non health hazards and from