Watts 957-OSY-FXG-FS 2 1/2 - Part of the 957 Series Window Well Cover Piloted with a check feature

Piloted with a check feature to close the valve when downstream pressure becomes greater than upstream pressure

Bubble tight seating

ZB415-DP-2IG

the core is bonded on both sides to layers of nonwoven filter fabric

Features NPT threaded union female inlet and outlet

Watts 957-OSY-FXG-FS 2 1/2 - Part of the 957 Series Window Well Cover Piloted with a check featureThis 2 1 2 inch 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 quick