Watts 757N-OSY 2 1/2 - Part of the 757 Series Z100F-3NH The double throttling design controls

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

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

Specifications Body Material Bronze Body Pattern Angle Brand Watts Buy American Act Compliant NO Control Type Handwheel EAN 098268589627 Inlet Connection Size 3/4 IN Inlet Connection Size-Metric 20 MM Inlet Connection Type Male Threaded or Socket Inlet Thread Type NPT Lead Free NO Maximum Pressure-PSI 60 Outlet Connection Size 3/4 IN Outlet Connection Type Union Joint Outlet Thread Type NPT Part Number 0067621 Series HWA Stem Shaft Material Brass Valve Style Does Not Apply To Product Specification Sheet - HWA

membrane clamp

5 to 23 GPM Hot Inlet Temperature Range 120 to 200 degree F Hot Water Inlet Connection Size 1/2 IN Hot Water Inlet Connection Type Female Threaded Hot Water Inlet Thread Type NPT Maximum Working Pressure-PSI 150 Minimum Differential Temperature-Fahrenheit 5 Minimum Static Pressure-PSI 30 Outlet Connection Size 1/2 IN Outlet Connection Size-Metric 13 MM Outlet Connection Type Female Threaded Outlet Temperature Accuracy +/- 7 degree F Outlet Thread Type NPT Temperature Adjustment Range 90 to 160 degree F Wi-Fi Enabled No Specification Sheet - LF1170 and LFL1170

Watts 757N-OSY 2 1/2 - Part of the 757 Series Z100F-3NH The double throttling design controlsThis 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