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Lead Free* Cast Silicon Copper Alloy Reduced Pressure Zone Assemblies

Series LF4000B Reduced Pressure Zone Assemblies are designed to protect potable water supplies in accordance with national plumbing codes and water authority requirements. This series can be used in a variety of installa­tions, including the prevention of health hazard cross connections in piping systems or for containment at the service line entrance. The LF4000B features Lead Free* construction to comply with Lead Free* installation requirements. Maximum Working Pressure: 175psi (12.1 bar).


  • Internal relief valve reduces installation clearances
  • Single, top-access cover and modular check construction for ease of maintenance
  • Large body passages provide low pressure drop
  • Lead Free* cast silicon copper alloy construction for durability

Select a Model

Select options below to identify the UPC, Order Code, and Repair Kit for a specific LF4000B

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: