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Double Check Valve Assemblies Sizes: 2½?- 10? (65 – 250mm)

Series 757 Double Check Valve Assemblies prevent the reverse flow of liquids in a plumbing system due to backpressure or backsiphonage where there is a non-health hazard. Compact design and lightweight stainless steel construction (70% lighter than traditional designs) makes installation easier and faster. For unmatched versatility, assemblies are available for horizontal, vertical, or N pattern installations while groove connections allow ease of installation and pipe alignment. Patented tri-link check assemblies are also designed for easy serviceability. A variety of shutoff valve options are offered.


  • Available with grooved butterfly valve shutoffs
  • Replaceable check disc rubber
  • Extremely compact and lightweight design
  • Easy to install and maintain

Select a Model

Select options below to identify the UPC, Order Code, and Repair Kit for a specific 757

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: