Watts LFF115 74 THD B 20 175 LS 50 145 2 Part of the LFF115 74 Series inlet protection finder This 1 inch lead free This 1 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 The Zurn Z400H is a finish floor drain engineered to combine aesthetic subtlety with dependable performance This Classic valve style has a globe body pattern with threaded end connections gauge not included