Zurn Wilkins 34-350XL 3/4" 350XL Double Check Backflow Preventer

Zurn WilkinsSKU: 34-350XL

Price:
Sale price $366.99
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Description

The 350XL Double Check Valve Assembly is used in low health hazard, potable water applications for protection against both back siphonage and backpressure of polluted water. A favorite for plumbing contractors, the patented and innovative EZSwap® removable pressure vessel allows for simple, cost-effective maintenance and repairs, straightforward line flushing, quick winterization, low-lead law compliant design, and added water savings. Its stainless steel shut-off valve handles, hardware, and struts are corrosion-resistant and the durable UV resistant reinforced nylon EZSwap Pressure Vessel resists corrosion and mineral build-up to better withstand harsh outdoor conditions.

  • Top-mounted test cocks allow for easy installation
  • EZSwap® pressure vessel reduces repair time and costs
  • Flush Tool (FLUSH) provides easy line flushing, saving up to 15 minutes per installation
  • Construction offers corrosion-resistance and winterization
  • Low-lead law compliant
  • ASSE® Listed 1015

Application Ideal for use where Lead-Free* valves are required. Designed for installation on potable water lines to protect against both back siphonage and backpressure of polluted water into the water supply. Assembly shall provide protection where a potential health hazard does not exist.

Standards Compliance (Horizontal & Vertical)

• ASSE® Listed 1015

• cUPC® 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)

• Meets the requirements of NSF/ANSI/CAN 61 and 372* *(LESS THAN 0.25% WEIGHTED AVERAGE LEAD CONTENT)

 

Typical Installation

Local codes shall govern installation requirements. To be installed in accordance with the manufacturers’ instructions and the latest edition of the Uniform Plumbing Code. Unless otherwise specified, the assembly shall be mounted at a minimum of 12” (305mm) and a maximum of 30” (762mm) above adequate drains with sufficient side clearance for testing and maintenance. If installed below grade, be certain adequate drainage is provided to prevent the device from being submerged.

Specifications

The Double Check Valve Backflow Preventer shall be certified to NSF/ANSI/CAN 61 and 372, shall be ASSE® Listed 1015, rated to 180°F, and supplied with full port ball valves. The main body shall be low lead Bronze for sizes 3/4" & 1", and Nylon for sizes 1-1/4" to 2". The housing shall be reinforced Nylon and the seat disc elastomers shall be silicone (FDA Approved).  The first and second checks shall be accessible for maintenance without removing the device from the line. The Double Check Valve Backflow Preventer shall be a ZURN WILKINS Model 350XL.

 

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