Backflow Preventer Reduced Pressure Zone Assembly With Quarter-Turn Ball Valve, Series/Model: Series 009-QT, Nominal Size: 1/2 IN, Connection Type: FNPT, Pressure Rating: 175 PSI, Temperature Rating: 33 - 180 DEG F, Bronze Body Material, Trim Material: Silicone Rubber Disc, Seat Material: Polymer Check/Stainless Steel Relief Valve, Industry Standards: UL Classified, CSA Certified, UPC Listed, USC, ASSE Number 1013, AWWA C511, CSA B64.4, IAPMO File Number 1563, 10 IN Width, 4-5/8 IN Height, Lead Free: No

This 1/4 IN reduced pressure zone assembly backflow preventer helps prevent the flow of polluted water from entering into the potable water supply due to back-siphonage and or backpressure in accordance with national plumbing codes and water authority requirements. Its compact modular design facilitates easy maintenance with a single access cover for in-line repairs. It is ideal for protection in continuous pressure piping applications and at cross-connections identified as health hazards and for contaminants at the service line entrance. This assembly consists of a bronze body, NPT end connections, quarter turn ball valve shut-offs with tee handles, top mounted test cocks, two in-line independent check valves, captured springs, and replaceable check seats with an internal relief valve for reduced space requirements.

Single-lever control of both hot and cold water to protect a washing machine’s hose and inner working parts. E-Z on/off ball-type design can also be used to throttle water flow and ease the water hammer shock caused by solenoid valves. Bronze construction. Equipped with fluoropolymer seats against brass thru-hole balls that provide quiet rotating action. The WM-1 is supplied with male adapters. The WM-2 is furnished with sweat copper elbow adapters (2-3/8 in. on centers) which may be installed either up or down.