Body Material: Lead Free Cast Copper Silicon Alloy
Connections: NPT with Viega ProPress Adaptors
Shutoff Valves: Quarter-Turn Ball Valves with Tee Handles
Max Supply Pressure: 175 PSI
Water Temperature Range: 33°F - 180°F
Features SentryPlus Alert Flood Sensor
Modular design for easy maintenance
Description
This 1/2 inch Lead Free Reduced Pressure Zone (RPZ) backflow preventer assembly protects potable water from contamination due to backpressure or backsiphonage. Featuring a lead-free cast copper silicon alloy body and NPT connections with Viega ProPress® adaptors, it ensures compliance with plumbing codes. Key features include quarter-turn ball valve shutoffs, a compact modular design for easy maintenance, and an integrated flood sensor with SentryPlus Alert technology. The flood sensor requires an add-on connection kit to enable real-time alerts for excessive relief valve discharge.
Help Me Connect
Connections
This assembly is equipped with NPT inlet and outlet connections.
It includes Viega ProPress® adaptors for convenient installation into compatible plumbing systems.
The shutoff valves feature tee handles for manual operation.
Ensure an add-on sensor connection kit is used to activate the flood sensor's alert features for compatibility with BMS, cellular, or Nexa platforms.
This 1/2 inch Lead Free Reduced Pressure Zone (RPZ) backflow preventer assembly is designed to protect potable water supplies from backflow due to backsiphonage and/or backpressure, in accordance with national plumbing codes and water authority requirements.
Flood Detection & Alerts
Features a flood sensor with SentryPlus Alert technology to detect continuous discharge from the relief valve.
An add-on sensor connection kit is required to activate the flood sensor and enable alerts.
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.
Construction & Design
Constructed with a Lead Free* cast copper silicon alloy body for durability and compliance.
Incorporates NPT inlet and outlet connections with Viega ProPress® adaptors.
Equipped with quarter-turn, full port, resilient seated ball valve shutoffs with tee handles.
Features a compact, modular design with a single access cover for easy in-line maintenance and repair.
Includes two in-line independent check valves, captured springs, replaceable check seats, and an internal relief valve for reduced installation clearances.
*The wetted surface of this product contacted by consumable water contains less than 0.25% of lead by weight.
Specifications
Assembly Size: 1/2 inch
Body Material: Lead Free* Cast Copper Silicon Alloy
Shutoff Valves: Quarter-Turn, Full Port, Resilient Seated Ball Valves
Connections: NPT Inlet and Outlet, Viega ProPress® Adaptors
Check Valves: Two In-Line Independent
Relief Valve: Internal
Max Supply Pressure: 175 PSI (12.1 bar)
Water Temperature Range: 33°F - 180°F (0.5° - 82°C)
Features: Flood Sensor with SentryPlus Alert Technology
Certificates & Approvals
USC
ASSE Std. 1013
AWWA C511
CSA B64.4
IAPMO File No. 1563
UL Classified
NSF Certified to NSF/ANSI/CAN 61-G
USC-FCCCHR
FAQs
What is the primary function of this backflow preventer?
This backflow preventer is designed to protect potable water supplies by preventing polluted water from entering the system due to backsiphonage or backpressure, adhering to national plumbing codes.
How does the flood sensor work and what is required to activate it?
The integrated flood sensor with SentryPlus Alert technology detects continuous discharge from the relief valve. To activate its alert capabilities, an add-on connection kit (compatible with BMS, cellular, or Wi-Fi) must be purchased separately.
What are the connection types for this assembly?
This assembly comes with NPT (National Pipe Taper) inlet and outlet connections, and it is factory-equipped with Viega ProPress® adaptors for direct installation into compatible piping systems.
What does "Lead Free" mean for this product?
“Lead Free” indicates that the wetted surface of this product, which contacts consumable water, contains less than 0.25% lead by weight, complying with Lead Free installation requirements.
What are the maximum operating pressure and temperature for this backflow preventer?
This 1/2 inch assembly is suitable for supply pressures up to 175 PSI (12.1 bar) and water temperatures ranging from 33°F to 180°F (0.5°C to 82°C).
