The Watts Series 009 1 inch reduced pressure zone assembly backflow preventer is designed to protect potable water supplies from dangerous cross-connections caused by backsiphonage or backpressure.

This compact and modular bronze assembly is ideal for continuous pressure piping applications and at health hazard cross-connections, including the service line entrance, in accordance with national plumbing codes.

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.

Flood Detection Features

• Includes an integrated flood sensor with SentryPlus Alert® technology to detect excessive water discharges from the relief valve.
• When paired with an add-on connection kit (sold separately), the sensor activates to relay alerts for potential flooding events.
• Connection kit options include BMS, cellular communication, and the Sensor Control Monitor for integration with BAS via RS-485 Modbus or the Nexa® platform through Wi-Fi.

NOTICE

An add-on connection kit is required to activate the flood sensor. Without the connection kit, the sensor is a passive component that has no communication with any other device.

Design and Construction

• Robust bronze body construction ensures durability.
• Features NPT inlet and outlet connections.
• Equipped with quarter-turn ball valve shutoffs with tee handles for isolation.
• Includes two in-line, independent check valves, captured springs, and replaceable check seats with an internal pressure differential relief valve.
• Single access cover and modular check construction facilitate easy in-line maintenance and assembly access.
• Top entry to all internal components for immediate accessibility.
• Large body passages provide low pressure drop.
• Compact, space-saving design with reduced installation clearances.
• No special tools are required for servicing.