Model # 34-350XL

Internet #203999039

Zurn-Wilkins 3/4 in. Lead-Free Double Check Valve Assembly
0612052087191

Zurn-Wilkins

3/4 in. Lead-Free Double Check Valve Assembly

$114.15 /each

Frequently Bought Together

Product Overview

The Zurn Wilkins Model 350XL Backflow Preventer features a patented removable pressure vessel, facilitating check access for easy cleaning and repair. The valve is designed for installation on potable water lines to protect against both back-siphonage and backpressure of polluted water into the potable water supply. This backflow preventer is suitable for use in residential, commercial, industrial, and irrigation applications where a health hazard does not exist.

  • Removable pressure vessel is serviceable offline and reusable, resulting in reduced labor costs, the ease of repair and replacement significantly decreases water system downtime by 300 percent, a benefit for both service professional and end user
  • Made of UV resistant composite material, the pressure vessel exceeds bronze performance levels, including severe water conditions, the composite material also acts as a theft deterrent, with less bronze material used in the overall production
  • Top access to test cocks and shutoff valves and check assembly makes the unit easy to test
  • Easy to winterize by removing pressure vessel between shutoff valves
  • Short lay length
  • 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, NSF listed - Standard 61, annex G

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Customer Questions & Answers

will this valve input fertizer into system

Asked by: hstot
This will work for that purpose.
Answered by: CommunityAnswer
Date published: 2016-05-21

Is this an approved testable backflow prvention devise for a pier or dock in California?

Is this an approved testable backflow prvention devise for a pier or dock in California?
Asked by: Ronchip

Can this valve be used if both shut off valves have been removed?

Manufacturer required installation
Asked by: Jkelly

how do I turn on backflow device?

The Wilkins 350 is a double check valve assembly ( DCA ). It is available in ¾” – 2” sizes and has been in production since 2004. The body is made of reinforced nylon with a bronze carriage. A lead free version was introduced in 2010 (350XL). the only valve that looks closed is the one next to the house. This unit is in a box in the ground
Asked by: bodbod
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Customer Reviews

3/4 in. Lead-Free Double Check Valve Assembly is rated 4.5 out of 5 by 2.
Rated 5 out of 5 by from Replacement for failed double check valve in home irrigation system Had to get a new double check valve on my yard's irrigation system to comply with rules requiring annual inspections to make sure there is no irrigation system backflow into my community water system. The old valve had failed after 16 years. My inspector highly recommended this model. I got one quote for the Wilkins 350 XL from my plumber who quoted my $270. I found it for $115 at Home Depot. I told my plumber and he said buy it at that price because his cost was higher than that. He was still happy to have the installation work. Just passed inspection...so far, so good.
Date published: 2016-03-09
Rated 4 out of 5 by from great value Easy to install seams durable at A reasonable price
Date published: 2015-03-31
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