1 LF919-QT-S-AG-FS
Item Number: F122678
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Regular price
$2,087.26
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Estimated transit time: 2 to 5 Business Days
Brand - Watts
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- Size: 1 inch
- Body Material: Lead-free bronze
- End Connections: NPT
- Flood sensor with SentryPlus Alert® technology
- Quarter turn ball valve shutoffs with tee handles
- Two poppet style check valves with replaceable seats
- Includes bronze strainer and air gap fitting
- Top-mounted, screwdriver-slotted test cocks
Description
Description
This 1 inch lead free reduced pressure zone backflow preventer assembly prevents polluted water from entering potable supplies due to backsiphonage or backpressure. It features lead-free bronze construction, NPT end connections, and quarter-turn ball valve shutoffs. An integrated flood sensor with SentryPlus Alert® technology detects relief valve discharges, and can connect to a Sensor Control Monitor for maintenance alerts via BAS (RS-485 Modbus) or the Nexa platform (Wi-Fi). The compact design includes a bronze strainer, air gap fitting, two poppet style check valves with replaceable seats, and top-mounted test cocks for easy maintenance.
Help Me Connect
Help Me Connect
Flood Sensor Connectivity
This backflow preventer includes an integrated flood sensor with SentryPlus Alert® technology. To activate and relay alerts for potential flooding events, the sensor must be paired with an add-on connection kit (sold separately).
- Connection Kit Options: Available kits include options for BMS, cellular communication, or the Sensor Control Monitor.
- Sensor Control Monitor Integration: When integrated with a Sensor Control Monitor, the system can deliver maintenance alerts to a Building Automation System (BAS) via RS-485 Modbus or to the Nexa® platform through Wi-Fi connectivity.
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Additional Details
This 1 inch lead free reduced pressure zone backflow preventer assembly is designed to prevent the flow of polluted water from entering the potable water supply due to backsiphonage and/or backpressure. It includes a flood sensor with SentryPlus Alert® technology to detect water discharges from the relief valve.
Key Features
- Lead-free bronze body construction with NPT end connections.
- Integrated flood sensor with SentryPlus Alert® technology to detect continuous discharge from the relief valve.
- Designed for integration with an add-on Sensor Control Monitor (sold separately) for maintenance alerts via BAS (RS-485 Modbus) or Nexa platform (Wi-Fi).
- Includes a bronze strainer and air gap fitting.
- Features quarter turn ball valve shutoffs with tee handles.
- Equipped with two poppet style check valves and replaceable check seats.
- Compact, space-saving design with separate access covers for check valves and relief valve.
- Top-mounted, screwdriver-slotted test cocks facilitate easy testing in reduced clearance installations.
- EZ twist relief valve cover with quarter turn locking joint aids in disassembly during repairs.
Applications
- Ideal for protection in continuous pressure piping applications.
- Suitable for cross-connections identified as health hazards and other contaminants at the service line entrance.
Specifications
- Size: 1 inch
- Body Material: Lead-free bronze
- End Connections: NPT
- Valve Type: Reduced Pressure Zone Backflow Preventer Assembly
- Shutoffs: Quarter Turn Ball Valves with tee handles
- Check Valves: Two poppet style
- Check Seats: Replaceable
- Flood Sensor Technology: SentryPlus Alert®
- Strainer: Bronze
- Air Gap Fitting: Included
- Test Cocks: Top-mounted, screwdriver-slotted
- Relief Valve Cover: EZ twist with quarter turn locking joint
Certificates & Approvals
- Not specified in source material.
FAQs
What is the primary function of this backflow preventer?
This backflow preventer assembly is designed to prevent polluted water from flowing back into the potable water supply due to backsiphonage or backpressure. It is ideal for continuous pressure piping applications and protecting against health hazards at cross-connections.
What is SentryPlus Alert® technology?
SentryPlus Alert® technology refers to the integrated flood sensor that detects continuous water discharges from the relief valve. When paired with an add-on connection kit, it relays alerts for potential flooding events.
What materials are used in the construction of this backflow preventer?
The backflow preventer features a lead-free bronze body construction and includes a bronze strainer.
How does the flood sensor connect to monitoring systems?
The flood sensor requires an add-on connection kit (sold separately) to activate and relay alerts. Connection options include BMS, cellular communication, or the Sensor Control Monitor, which integrates with BAS via RS-485 Modbus or the Nexa platform via Wi-Fi.
What kind of shutoff valves and check valves are included?
This assembly includes quarter turn ball valve shutoffs with tee handles. It also features two poppet style check valves with replaceable check seats for reliable performance.
