957RPDA

Reduced Pressure Detector Assembly Backflow Preventers with Flood Sensor, Stainless Steel – Sizes 2 1/2 - 10 IN

  • Sensor on the relief valve for flood detection
  • Extremely compact stainless steel body with stainless steel internal parts
  • Ideal for health hazard cross-connection such as on fire sprinkler systems
  • Available with quarter-turn ball valve shutoffs or grooved butterfly valve shutoffs
  • Torsion spring checks providing the lowest pressure loss
  • Lightweight stainless steel construction (70% lighter than traditional designs)
  • Flood alert feature activated with add-on connection kit, compatible with BMS and cellular communication

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