825YA

Small Footprint N-Shaped Reduced Pressure Zone Assembly Backflow Preventers with Flood Sensor

  • Sensor on relief valve for flood detection
  • Integrates with the Sensor Control Monitor to deliver maintenance alerts to BAS via RS-485 Modbus or the Nexa platform by Wi-Fi connectivity
  • Provides the highest level of mechanical protection against toxic fluids in water services
  • Eliminates pipe elbows, nipples, and unions from the installation
  • Approved by the Foundation of Cross-Connection Control and Hydraulic Research at the University of Southern California
  • Smaller, less costly protective enclosures provide freeze and vandalism protection

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