LF957RPDA

Lead Free* Reduced Pressure Detector Assembly Backflow Preventers with Flood Sensor – Sizes 2 1/2 - 10 IN

  • Sensor on the relief valve for flood detection
  • Lead Free* construction to comply with Lead Free* installation requirements
  • Extremely compact design and lighter than traditional designs
  • Groove fittings allow integral pipeline adjustment
  • Torsion spring check provides lowest pressure loss
  • Integrates with the Sensor Control Monitor to deliver maintenance alerts to BAS via RS-485 Modbus or the Nexa platform by Wi-Fi connectivity

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