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Lead Free* Double Check Valve Assemblies, cast copper silicon alloy

Series LF719 Double Check Valve Assemblies are designed to protect drinking water supplies from dangerous cross-connections in accordance with national plumbing codes and water authority requirements. They have a Lead Free* cast copper silicon alloy body construction and chloramine resistant elastomers. Series LF719 features a separate access, top-entry check valve design for ease of maintenance and is for use at referenced cross-connections in non-health hazard applications. Check with local inspection authorities for installation requirements. Maximum Working Pressure: 175psi (12.06 bar).


  • Manufactured from lead-free* cast copper silicon alloy
  • Separate, top-entry access to check valve
  • Replaceable seats and seat discs
  • Reversible seat disc rubber extends check valve life

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Select options below to identify the UPC, Order Code, and Repair Kit for a specific LF719

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: