Watts 2" LF719-QT

Item Number: 0065306
1 1
$1,818.63
Special Order
When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Watts
  • Size: 2 inch
  • Weight: 23.6 lb
  • Body Material: Lead Free* Cast Copper Silicon Alloy
  • Maximum Operating Pressure: 175 PSI
  • Temperature Range: 33°F - 180°F
  • Features: Quarter-Turn Ball Valves
  • Connection Type: NPT
  • Approvals: ASSE 1015, AWWA C510, NSF/ANSI/CAN 61-G
  • Application: Non-health hazard cross-connections

Description

The Watts 2 inch LF719-QT Double Check Valve Assembly is a backflow preventer designed to protect potable water supplies from contamination caused by cross-connections in non-health hazard applications. Constructed from lead-free cast copper silicon alloy, it ensures compliance with lead content requirements. This compact assembly features integral quarter-turn ball valves and NPT end connections for easy installation. It is rated for 175 PSI maximum operating pressure and a temperature range of 33°F to 180°F. The design includes top-entry access and screwdriver slotted test cocks, making it fully testable and easy to maintain, minimizing service tool requirements.

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Connections

  • The 2 inch LF719-QT Double Check Valve Assembly features NPT end connections, designed for threaded installation into compatible piping systems.
  • This assembly is approved for installation in both horizontal and vertical orientations.
  • It is suitable for non-health hazard applications to prevent backflow into potable water supplies.
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Additional Details

The Watts 2 inch LF719-QT Double Check Valve Assembly is designed to prevent the reverse flow of contaminated non-potable water from entering the potable water supply. This backflow preventer is used to protect drinking water from dangerous cross-connections in non-health hazard applications, complying with national plumbing codes.

This assembly features a lead free cast copper silicon alloy body, integral quarter-turn ball valves with lever handles, and NPT end connections. Its compact design allows for both horizontal and vertical installations, with top-entry access points and screwdriver slotted test cocks for full testability and ease of maintenance.

Features

  • Manufactured from Lead Free* cast copper silicon alloy (bronze)
  • Separate access, top entry check valve design for straightforward servicing
  • Reversible seat disc rubber to extend check valve life
  • Utilizes chloramine resistant elastomers
  • Includes replaceable seats and seat discs
  • Compact design for versatile installation
  • Top mounted screwdriver slotted ball valve test cocks for easy testing
  • Engineered for low pressure drop
  • Requires no special tools for servicing
  • Plastic on plastic check guiding reduces potential binding from mineral deposits

This is a non-stock, special order item and could take up to 2 weeks or more to deliver. All non-stock items are non-refundable. Please be sure you order carefully. If you have ANY questions please contact us before ordering.

Specifications

General

  • Product Type: Double Check Valve Assembly
  • Brand: Watts
  • Series: LF719
  • Size: 2 inch
  • Body Material: Lead Free* Cast Copper Silicon Alloy (Bronze)
  • Elastomers: Chloramine Resistant Silicone and EPDM
  • Check Seats: PPO
  • Disc Holders: PPO
  • Valves: Quarter-Turn Ball Valves with Lever Handles
  • End Connections: NPT

Performance

  • Operating Pressure: 175 PSI (12.1 bar)
  • Operating Temperature Range: 33°F – 180°F (0.5°C – 82°C)
  • Lead Content: Wetted surface contains less than 0.25% lead by weight

Certificates & Approvals

  • ASSE Std. 1015
  • AWWA Std. C510 Compliant
  • NSF/ANSI/CAN 61-G
  • USC-FCCCHR Approved
  • Approved by the Foundation for Cross-Connection Control and Hydraulic Research at the University of Southern California

FAQs

What is the primary purpose of the Watts 2" LF719-QT Double Check Valve Assembly?

Its primary purpose is to protect drinking water supplies by preventing the reverse flow of contaminated non-potable water into the potable water system, specifically in non-health hazard cross-connection applications.

What material is the Watts LF719-QT constructed from?

The body of this assembly is manufactured from Lead Free* cast copper silicon alloy, commonly known as bronze. This ensures compliance with reduced lead content requirements for potable water applications.

What are the maximum operating pressure and temperature ratings for this valve?

The Watts 2" LF719-QT has a maximum operating pressure of 175 PSI (12.1 bar) and an operating temperature range of 33°F to 180°F (0.5°C to 82°C).

Can this double check valve assembly be installed in any orientation?

Yes, the LF719-QT Double Check Valve Assembly is approved for installation in both horizontal and vertical orientations, providing flexibility for various plumbing setups.

What type of connections does the Watts 2" LF719-QT use?

This assembly features NPT (National Pipe Taper) end connections. These are standard threaded connections designed for compatibility with common piping systems.