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Reduced Pressure Zone Assemblies with Swivel Union Connections

Series U009 Reduced Pressure Zone Assemblies prevent the reverse flow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure. They have a bronze body construction with a unique swivel union, two in-line independently operating check valves, a removable stainless-steel relief valve with captured springs and replaceable seat discs, four ball valve test cocks, and an air gap drain fitting. Their compact and space-saving design facilitates easy assembly and maintenance access. They are ideal for protection at health hazard cross-connections or for containment at the service line entrance. Check with local water authorities for installation requirements. Maximum Working Pressure: 175psi (12.06 bar).


  • Top entry provides immediate access to all internals
  • Compact, modular design facilitates easy maintenance, with no special tools required for servicing
  • Durable bronze body construction
  • Unique swivel union design allows for variety of installations including prevention of health hazard cross-connections in piping systems or for containment at service line entrance

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Select options below to identify the UPC, Order Code, and Repair Kit for a specific U009

Approval Information

For approval information, please refer to the products specification sheet. For any other information on product certification and documentation information, please visit our certification partner websites: