957-FS

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Reduced Pressure Zone Assembly Backflow Preventers with Flood Sensor – For 2 1/2 – 10 IN Sizes

Series 957-FS reduced pressure zone assembly backflow preventers help stop the reverse flow of liquids due to backpressure or backsiphonage, where potential health hazard exists.

This series features an integrated flood sensor with SentryPlus Alert® Technology to detect excessive water discharges from the relief valve. Activated through an add-on connection kit, the sensor can trigger the alert system sending notification of flood detection to facility personnel. Connection kits are available for BMS and cellular communication.

To learn more visit: https://www.watts.com/floodprotectionsystem/

Features

  • Integrated sensor on relief valve for flood detection
  • Flood alert feature available with add-on connection kit, compatible with BMS and cellular communication
  • Extremely compact design for easy installation and service
  • Patented torsion spring checks providing the lowest pressure loss
  • Lightweight stainless steel construction (70% lighter than traditional designs)
  • Shutoff valve options available

Literature

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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