Watts 757N-DCDA-DOSY-GPM 4 - Part of the 757DCDA Series

Watts 757N-DCDA-DOSY-GPM 4 - Part of the 757DCDA SeriesThis 4 inch N pattern double check detector backflow preventer assembly is designed to prevent the reverse flow of fire protection substances and water of non potable quality, but not toxic, 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 such

Temperature relief is 210 degree F (99 degree C)

preventing leaks at vulnerable roof edges

UPC - 098268009613

UPC - 098268613322

45 Standard Reduced Pressure Setting-PSI 50 Strainer Yes Strainer Material Stainless Steel Thermal Expansion Bypass Yes Trim Material Does Not Apply To Product Type Kit Valve Style Standard UPC - 098268163599

6 IN NB Round strainer

UPC - 098268432893

Plastic construction

and UV resistant

UPC - 098268559583

Specifications Buy American Act Compliant NO Compatible Series or Model LF719

7 bar ArmorTek Technology Yes Body Material Ductile Iron Brand Watts Coating Epoxy Coated Using ArmorTek Technology EAN 098268603583 Inlet Connection Size 4 IN Inlet Connection Type Flanged Joint Lead Free YES Maximum Operating Temperature-Fahrenheit 250 Maximum Working Pressure-PSI 400 Outlet Connection Size 4 IN Outlet Connection Type Flanged Joint Part Number 1GE00565 Pilot Control System Fitting Material Brass Pilot Control System Tubing Material Copper Series LFM115 Trim Material 316 Stainless Steel Valve Style Mustang Warranty Name Watts Warranty - ACV ArmorTek Submittal Package - Automatic Control Valve LFM115