This 8 inch reduced pressure detector backflow preventer assembly prevents the reverse flow of liquids due to backpressure or backsiphonage, protecting potable water systems from contamination where a potential health hazard exists.

It is designed for health hazard applications and includes a flood sensor with SentryPlus Alert technology to detect excessive water discharges from the relief valve.

A WARNING: It is illegal to use this product in any plumbing system providing water for human consumption, such as drinking or dishwashing, in the United States. Before installing standard material product, consult your local water authority, building and plumbing codes.

Key Features

• Provides protection to the potable water system from contamination in accordance with national plumbing codes.
• Extremely compact design and 70% lighter than traditional designs for smaller enclosures.
• Constructed with a 304 (Schedule 40) stainless steel housing and sleeve.
• Groove fittings allow integral pipeline adjustment.
• Features UL Classified and FM Approved domestic outside stem and yoke (OSY) resilient seated gate valves.
• Patented torsion spring check provides lowest pressure loss and unmatched ease of serviceability.
• Replaceable check disc rubber for easy maintenance.
• Bottom mounted cast stainless steel relief valve.
• Metered bypass with a cubic foot per minute meter detects leakage or unauthorized water use from the fire sprinkler system.
• Integrated flood sensor with SentryPlus Alert technology detects excessive water discharges from the relief valve.
• Flood alert feature is activated with an add-on sensor connection kit, compatible with BMS and cellular network communication, and the Sensor Control Monitor for integration with BAS via RS-485 Modbus or Nexa platform by Wi-Fi.