709DCDA

Double Check Detector Assembly Backflow Preventers, Cast Iron

  • Modular design facilitates easy maintenance and assembly
  • Provide detection point for costly leaks or illegal taps
  • Maximum flow at low pressure drop
  • Require no special tools for servicing
  • Utilizes advanced ArmorTek coating technology to resist corrosion of internals
  • The valve body shall utilize a coating system with built in electrochemical corrosion inhibitor and microbial inhibitor

Select options below to identify the UPC, Order Code, and Repair Kit for a specific 709DCDA

Approval/Certification Information

For product-specific approval information, please refer to the product’s specification sheet (see literature section above) 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