Watts 957Z-DOSY-FS 4 - Part of the 957 Series

Watts 957Z-DOSY-FS 4 - Part of the 957 SeriesThis 4 inch Z pattern reduced pressure zone assembly backflow preventer help stop the reverse flow of liquids due to backpressure or backsiphonage, where potential health hazard exists. This extremely compact and lighter than a traditional designed assembly is approved for horizontal installation as long as the backflow assembly is installed in accordance with the direction of the flow arrow. This assembly consists of a stainless steel body with a

This pressure relief valve has a 1 1/4 inch NPTF female inlet and outlet and a 100 psi pressure relief setpoint

Secured cover for dependable access

NPT threaded female inlet and outlet

a bottom loaded blowout proof stem a vinyl insulator on a heavy duty 304 Latch-Lok stainless steel handle

Z400G-5G-Y

Unit is designed for a 8 inch N12 Lateral pipe

ZB400J-4NL

UPC - 098268637175

Specification Sheet - LF800M4QT (French)

2 Body Material Lead Free Copper Silicon Alloy Brand Watts Corrosion Resistant Coating No Disc Material EPDM EAN 098268330755 Gauge Option Gauge Tapping High Pressure Reduced Pressure Range Does Not Apply To Product High Pressure Reduced Pressure Setting Does Not Apply To Product Inlet Connection Size 1 IN Inlet Connection Type Union Solder Inlet Thread Type Does Not Apply To Product Lead Free YES Maximum Operating Temperature-Fahrenheit 180 Maximum Working Pressure-BAR 20

UPC - 098268608045

helping safeguard your outdoor spaces