Series LF957RPDA-FS reduced pressure detector assembly backflow preventers provide protection to the potable water system from contamination in accordance with national plumbing codes. Used in health hazard applications to protect against backsiphonage and backpressure and to monitor unauthorized use of water from the fire protection system.

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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.