Watts LF709-OSY 3 - Part of the LF709 Series

Watts LF709-OSY 3 - Part of the LF709 SeriesThis 3 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 water supply due to backsiphonage and or backpressure. It is ideal for protection at cross connections identified as non health hazard applications and from other contaminants found at the service line entrance. This assembly consists of an fused epoxy

UPC - 098268451887

It is ideal for protection at cross-connections identified as health hazards such as on fire sprinkler systems and from other contaminants found at the service line entrance

This 16 IN full lug style butterfly valve

Lower Stem O-ring Kit Type Complete Rubber Parts Kit Lead Free YES Product Group BACKFLOW KITS UPC - 098268399714

Adjustable heavy-duty round heel-proof stainless steel strainer for high traffic environments

the grate is painted black to inhibit rust

This 7 inch copper float is used with a float valve in a control assembly that provides make up water for pressure washers

and other expansive paved areas

This pressure reducing and sustaining control valve is designed to automatically reduce a fluctuating higher upstream pressure to a constant lower downstream pressure regardless of varying flow rates

Lubricant Kit Type Complete Rubber Parts Kit Lead Free YES Product Group BACKFLOW KITS UPC - 686408615017

Specifications Body Material Bronze Brand Watts EAN 098268579581 Inlet Connection Size 1 IN Inlet Connection Type Female Threaded Inlet Thread Type NPTF Lead Free NO Maximum Working Pressure-PSI 40 Outlet Connection Size 1 IN Outlet Connection Type Female Threaded Outlet Thread Type NPTF Part Number F275054 Pressure Range Does Not Apply To Product Pressure Relief Setting-PSI 50 Series 174A Specification Sheet - 174A

Minimum working pressure is 25 psi (172kPa)