This Colt 2 1/2 inch double check detector backflow preventer assembly is designed to prevent the reverse flow of non-potable water into the potable water supply, making it ideal for fire sprinkler systems and other non-health hazard cross-connections.

It provides protection against backsiphonage and backpressure in accordance with national plumbing codes and water authority requirements.

Key Features

• Compact design, making it 70% lighter than traditional designs and allowing for smaller vaults and enclosures.
• Constructed with a 304 (Schedule 40) stainless steel housing and sleeve for long-term corrosion protection and maximum strength.
• Features a patented Tri-Link Check valve assembly that provides the lowest pressure loss and unmatched ease of serviceability.
• Includes an integrated gallon per minute meter to detect underground leaks and unauthorized water use.
• Equipped with outside stem and yoke (OS&Y) resilient seated gate valves that are UL Classified and FM Approved.
• Designed for horizontal or vertical installation with a single access sleeve for easy maintenance.
• Contains four test cocks and replaceable check disc rubber.

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, consult your local water authority, building, and plumbing codes.