LF719 Lead Free Double Check Valve Assembly

Manufactured by: Watts Water Technologies

Model: LF719

Watts Series LF719 Double Check Valve Assemblies are designed to protect drinking water supplies from dangerous cross-connections in accordance with national plumbing codes and water authority requirements.

The valve assembly consists of a Lead Free* cast copper silicon alloy body construction and chloramine resistant elastomers. Series LF719 features a separate access, top-entry check valve design for ease of maintenance and is for use at referenced cross-connections in non-health hazard applications.

Check with local inspection authorities for installation requirements.

Suffix

S – bronze strainer
QT – quarter-turn ball valves

Additional Information

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Technical Data

Available Materials:
Lead Free Cast Copper Silicon Alloy

Pressure Rating:
to 175 psi

Temperature Range:
33°F to 180°F

Available Sizes:
1/2in, 3/4in, 1in, 1-1/4in, 1-1/2in, 2in

Connection Types:
Threaded

See product datasheet for additional details

Features

Manufactured from Lead Free* cast copper silicon alloy
Separate access, top entry check valve design
Reversible seat disc rubber, extends check valve life
Chloramine resistant elastomers
Replaceable seats and seat discs
Compact design
Top mounted screwdriver slotted ball valve test cocks
Low pressure drop
1⁄2" – 1" have Tee handles
No special tools required for servicing
Plastic on plastic check guiding reduces potential binding due to mineral deposits

Certifications

ASSE 1015
AWWA Std. C510
CSA
NSF-61
UPC