Watts 957-OSY-FS 4 - Part of the 957 Series dura-skrim-selector This 1 1/4 inch flow

This 1 1/4 inch flow measurement valve monitors system flow in low to medium flow rate HVAC units

Protect against both backpressure and backsiphonage

Specifications ArmorTek Technology No Backflow Preventer Type Double Check Valve Assembly Body Finish Epoxy Coated Body Material Lead Free Bronze Body Pattern Inline Brand Watts Bypass No Cap And Tether No Disc Material Rubber EAN 098268118759 Elbow Fitting No Hazard Protection Level Non Health Hazard Hot And Harsh Water No Hydrant Connection No Inlet Connection Size 1/2 IN Inlet Connection Type Press Inlet Shutoff Valve Type Quarter Turn Ball Valve Inlet Thread Type Does Not Apply To Product Lead Free YES Maximum Temperature-Fahrenheit 180 Maximum Working Pressure-BAR 12

This 1/2 inch lead free copper silicon alloy reduced pressure zone backflow preventer assembly is designed to prevent the flow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements

This ball valve is rated for 150 WSP/600 WOG

Watts 957-OSY-FS 4 - Part of the 957 Series dura-skrim-selector This 1 1/4 inch flowThis 4 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 access