909RPDA

Reduced Pressure Detector Assembly Backflow Preventers, Cast Iron

  • Replaceable stainless steel seats
  • Modular design facilitates easy maintenance and assembly
  • Unique two-channel relief valve provides maximum capacity during emergency conditions and stops potential backflow using air-in/water-out principle
  • Provide detection point for costly water leaks and illegal taps
  • Coated with advanced ArmorTek coating technology for 6x less surface rusting
  • SentryPlus Alert™ technology supported on cellular networks
  • Flood detection device suitable for BMS configuration

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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