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Halloween Special Zurn Wilkins 34-350xl 3/4" Dcva Double Check Valve Assembly Backflow Preventer Lead-free Collection [jlPH0YFi]

$39.99 $127.99 -69%

Halloween Special Zurn Wilkins 34-350xl 3/4" Dcva Double Check Valve Assembly Backflow Preventer Lead-free Collection [jlPH0YFi] Application: Designed for installation on water lines to protect against both backsiphonage and backpressure of polluted water into the water supply. Assembly sh

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Halloween Special Zurn Wilkins 34-350xl 3/4" Dcva Double Check Valve Assembly Backflow Preventer Lead-free Collection [jlPH0YFi] Application: Designed for installation on water lines to protect against both backsiphonage and backpressure of polluted water into the water supply. Assembly shall provide protection where a potential health.

Standards Compliance (Horizontal & Vertical): ASSE® Listed 1015 • IAPMO® Listed • CSA® Certified B64.5 • AWWA Compliant C510 • Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California • UL® Classified (less shut-off valves only) • C-UL® Classified (less shut-off valves only).

Materials: Main valve body Cast Bronze, ASTM B 584 (3/4-1") Housing Reinforced Nylon Fasteners Stainless Steel, 300 Series Elastomers Silicone (FDA Approved) Buna Nitrile (FDA Approved) Internals Delrin, NSF Listed Springs Stainless Steel, 300 series Ball Valves Cast Bronze, ASTM B 584 Struts Stainless Steel, 300 Series.

Features: Sizes:  1/2", 3/4", 1", 1-1/4", 1-1/2", 2" Maximum working water pressure 175 PSI Maximum working water temperature 180°F Hydrostatic test pressure 350 PSI End connections Threaded ANSI B1.20.1.

Application: Domestic Water Control, Fire Protection, Irrigation, Waterworks.

Features & Benefits:

Patented removable pressure vessel Low-lead design is suitable for drinking water
Top-mounted test cocks ease installations Blow Out Flush fitting available
Low-lead law compliant

Technical Documentation:

Zurn Wilkins 34-350XL 3/4" DCVA Double Check Valve Specification Sheet: Click Here.

Zurn Wilkins 34-350XL 3/4" DCVA Double Check Valve Installation and Maintenance Instructions (1/2" - 1"): Click Here.

Zurn Wilkins 34-350XL 3/4" DCVA Double Check Valve Repair Parts (1/2" - 1"): Click Here.

Zurn Wilkins 34-350XL Sales Sheet: Click Here.

Media:

Zurn Wilkins 34-350XL 3/4" DCVA Double Check Valve Fast Focus Video:

Zurn Wilkins 34-350XL Video, Repair Video:

Zurn Wilkins 34-350XL Video, Recommissioning Your Irrigation System in the Spring:

Zurn Wilkins 34-350XL Video, Winterizing Your Irrigation System:

Cross Reference:

Halloween Special Zurn Wilkins 34-350xl 3/4" Dcva Double Check Valve Assembly Backflow Preventer Lead-free Collection [jlPH0YFi] Crosses:

  • Watts 007, 007QT, LF007, LF007QT, 719, LF719, LF719QT.

Repair Parts:

Zurn Wilkins RK34-350 Complete Repair Kit

Zurn Wilkins RK34-350 Complete Repair Kit: Click Here.

Zurn Wilkins RK34-350R Rubber Repair Kit

Zurn Wilkins RK34-350R Rubber Repair Kit: Click Here.

What Our Customers Say

December 28, 2025

Absolutely no complaints!

I'm impressed by how very robust it feels.

- Gulliver G..

December 28, 2025

Absolutely no complaints!

This has become a staple in my routine.

- Killian R..

December 28, 2025

Absolutely no complaints!

This is a nice, and a very, very, very, very solid item.

- Osian B..

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