Watts 957N-QT 4 - Part of the 957 Series R304 Detectable Warning Surfaces This 2 1/2 inch stainless

This 2 1/2 inch stainless steel reduced pressure zone assembly backflow preventer help stop the reverse flow of liquids due to backpressure or backsiphonage

and radiators

4 inch Watts Model 77F-CSI

Specifications ArmorTek Technology Yes Backflow Preventer Type Double Check Valve Assembly Body Finish Epoxy Coated Using ArmorTek Technology Body Material Cast Iron Body Pattern Inline Brand Watts Bypass No Bypass Size Does Not Apply To Product Cap And Tether No Disc Material Does Not Apply To Product EAN 098268302660 Elbow Fitting No Hazard Protection Level Non Health Hazard Hot And Harsh Water No Hydrant Connection No Inlet Connection Size 4 IN Inlet Connection Type Flanged Joint Inlet Shutoff Valve Type Non Rising Stem Gate Valve Inlet Thread Type Does Not Apply To Product Lead Free YES Maximum Temperature-Fahrenheit 110 Maximum Working Pressure-BAR 12

This lever locking handle is made to fit the 3 inch threaded or solder end 3C M1 series full port

Watts 957N-QT 4 - Part of the 957 Series R304 Detectable Warning Surfaces This 2 1/2 inch stainlessThis 4 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