Watts 757-OSY-FXG 4 - Part of the 757 Series

Watts 757-OSY-FXG 4 - Part of the 757 SeriesThis 4 inch lead free double check valve backflow preventer assembly is designed to prevent the reverse flow of water of non potable quality 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. It is ideal for protection at cross connections identified as non health hazards and from other contaminants found at the service line

8 BAR ArmorTek Technology Yes Brand Watts Coating Epoxy Coated Using ArmorTek Technology EAN 098268639544 Inlet Connection Size 2 1/2 IN Inlet Connection Type Female Threaded Lead Free YES Maximum Operating Temperature-Fahrenheit 160 Maximum Working Pressure-PSI 400 Outlet Connection Size 2 1/2 IN Outlet Connection Type Female Threaded Part Number 2GK00054 Series LFF116 Valve Style Classic Warranty Name Watts Warranty - ACV ArmorTek Schematic - Automatic Control Valve LFF116

50 Minimum Temperature-Fahrenheit 33 Outlet Connection Size 1 1/4 IN Outlet Connection Type Female Threaded Outlet Thread Type NPT Part Number 0009187 Series LFU5B-Z3 Standard Reduced Pressure Setting-BAR 3

and a 40 mesh stainless steel screen

It features an 8 inch round

2 EPDM disc elastomers

Specifications Body Material Iron Brand Watts Class Rating 125 or 150 Control Type Gear Operator CV Rating 600 GPM Disc Material Stainless Steel EAN 098268596076 Inlet Connection Size 4 IN Inlet Connection Type Wafer Lead Free YES Maximum Operating Temperature-Fahrenheit 248 Maximum Working Pressure-PSI 200 Minimum Temperature-Fahrenheit 33 Operating Torque-Dry 644 in-lbs Operating Torque-Wet 390 in-lbs Outlet Connection Size 4 IN Outlet Connection Type Wafer Part Number 0525395 Seat Material EPDM Series DBF-04 Silicone Free Yes Stem Shaft Material Stainless Steel Valve Style Wafer Specification Sheet - DBF

It is designed for use in the boiler feed lines of hydronic heating systems and has 1/2 inch union solder inlet x NPT threaded outlet connections

10 IN no hub

and the unit comes equipped with a standard no-hub outlet for straightforward installation

Extra-heavy-duty cast iron body for long-term durability

Its 21″ wide throat accommodates high flow volumes

Z624-3NL-TS