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LF7

Lead Free* Bronze Dual Check Valve Backflow Preventers

  • Can be installed in many piping configurations
  • Can be installed vertically or horizontally
  • Available with combination of inlet/outlet sizes, types, or thread and end connections including retrofit compression fittings and hose connections
  • Can be installed with a wide range of meter horns, copper setters, and meter boxes

Select a Model

Select options below to identify the UPC, Order Code, and Repair Kit for a specific LF7

Approval/Certification Information

For product-specific approval information, please refer to the product’s specification sheet or ask a Watts representative. For general information regarding any approval certification partners identified in the specification sheet, please visit our certification partners’ websites:


ASSE CSA FM Approvals NSF
UL ULC USC WQA