Watts 957N-QT 3 - Part of the 957 Series mainline-siltfence and adjusting spring for reduced

and adjusting spring for reduced pressure range of 30 to 140 psi

50 Minimum Temperature-Fahrenheit 33 Outlet Connection Size 1 IN Outlet Connection Type Union Female Threaded Outlet Thread Type NPT Part Number 0009316 Series LF25AUB-Z3 Standard Reduced Pressure Setting-BAR 3

while draining excess surface water from hardscapes

UPC - 098268432626

Specifications Body Material Ductile Iron Brand Watts Buy American Act Compliant NO Class Rating 125 or 150 Control Type Lever Handle CV Rating 600 GPM Disc Material Ductile Iron EAN 098268594256 Inlet Connection Size 4 IN Inlet Connection Type Lug 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 Lug Part Number 0525154 Seat Material EPDM Series DBF-03 Silicone Free Yes Stem Shaft Material 416 Stainless Steel Valve Style Lug Specification Sheet - DBF

Watts 957N-QT 3 - Part of the 957 Series mainline-siltfence and adjusting spring for reducedThis 3 inch reduced pressure zone assembly backflow preventer helps prevent the reverse flow of fire protection substances and 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. This extremely compact and lighter than a traditional designed assembly is approved for horizontal N pattern installation