Watts 957-DNRS-FS 4 - Part of the 957 Series Drain Fitting Heavy-Duty Grate Design: Heel-proof and

Heavy-Duty Grate Design: Heel-proof and traffic-rated grates resist damage under load while allowing easy removal for inspection and cleaning

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

It consists of a cover

ZN1995-3NH

membrane clamp

Watts 957-DNRS-FS 4 - Part of the 957 Series Drain Fitting Heavy-Duty Grate Design: Heel-proof andThis 4 inch stainless steel 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 in accordance with the direction of the flow arrow. This assembly consists of a stainless steel body with a quick access sleeve, torsion spring check