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Wilkins 350XL Double Check Backflow Preventer, 3/4" to 2", Lead-Free*
Wilkins

Wilkins 350XL Double Check Backflow Preventer, 3/4" to 2", Lead-Free*

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.

Compliance: 

ASSE 1015, cUPC Listed, CSA Certified B64.5, AWWA Compliant C510, USC Approved, NSF/ANSI/CAN 61 and 372

Features:

  • 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
  • IAPMO® Listed
  • CSA® Certified B64.5

Keywords: Double Check Valve Assembly, health hazard protection, line flushing, quick winterization, potable water lines, Cross Connection Control, Thermal expansion tank, Backflow Preventer, Wilkins 350XL Valve Assembly

Technical specification
  • Unique ref.zurn-350xl
  • Product familyBackflow Preventers
  • Product groupDouble Check Assembly
  • TypeObject (single object)
  • Date of publishing2025-09-02
  • Edition number1
Related
  • Material mainBronze
  • Material secondaryBronze
  • Designed inUnited States
Classification
  • BIMobject CategoryPlumbing - Valves

Region availability

North America
United States
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