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Wilkins 350 Double Check Backflow Preventer, 3/4" to 2"
Wilkins

Wilkins 350 Double Check Backflow Preventer, 3/4" to 2"

The Double Check Valve Backflow Preventer shall be ASSE® Listed 1015, rated to 180°F and supplied with full port ball valves. The main body shall be 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 350.

Compliance:

  • Massachusetts Approved
  • ASSE® Listed 1015
  • AWWA Compliant C510
  • CSA® Certified B64.5
  • cUPC® Listed
  • UL® Classified (less shut-off valves only)
  • C-UL® Classified (less shut-off valves only)
  • IPC Listed
  • NPCC Listed

Features:

  • EZSwap removable pressure vessel is quickly removed and replaced with Flush Tool (FLUSH) for simple line flushing to remove fouling debris
  • Labor savings from ease of flushing with only one person saves up to 15 mintues per installation
  • Quick and thorough winterization with Blow-Out Accessory prevents costly freeze damage and improves productivity when freeze is quickly approaching
  • EZSwap Pressure Vessel can be removed and replaced in seconds, reducing repair cost and water system down time
  • EZSwap Pressure Vessel is serviceable off-line and reusable, allowing maintenance and repairs to be performed in the safety of the work truck or shop Durable UV resistant reinforced nylon 
  • EZSwap Pressure Vessel resists corrosion and mineral build-up to better withstand harsh outdoor conditions Stainless steel shut-off valve handles, hardware, and struts resist corrosion
  • Reduced labor and repair kit costs yield savings of 75% or more during the backflow life-cycle

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Specification

Technical specification
  • Unique ref.zurn-350sm
  • Product familyBackflow Preventers
  • Product groupDouble Check Assembly
  • TypeObject (single object)
  • Date of publishing2025-09-02
  • Edition number1
  • Height (inches)4.25
  • Width (inches)3.75
  • Depth (inches)11
Related
  • Material mainBronze
  • Material secondaryStainless steel
  • Designed inUnited States
  • Weight Net (Lbs)2
Classification
  • BIMobject CategoryPlumbing - Valves
  • IFC classificationValve
  • Uniclass 2015 CodePr_65_54_95_05
  • Uniclass 2015 DescriptionBackflow prevention devices
  • CSI MasterFormat 2014 Code40 05 67
  • CSI MasterFormat 2014 TitleSpecialized Pressure and Flow-Control Valves
  • OmniClass Number23-27 31 11
  • OmniClass TitleBackflow Preventors

Region availability

North America
Anguilla
Antigua and Barbuda
Aruba
Barbados
Belize
Bermuda
British Virgin Islands
Canada
Caribbean Netherlands
Cayman Islands
Collectivity of Saint Martin
Costa Rica
Cuba
Curaçao
Dominica
Dominican Republic
El Salvador
Greenland
Grenada
Guadeloupe
Guatemala
Haiti
Honduras
Jamaica
Martinique
Mexico
Montserrat
Nicaragua
Panama
Puerto Rico
Saint Kitts and Nevis
Saint Lucia
Saint Pierre and Miquelon
Saint Vincent and the Grenadines
Saint-Barthélemy
Sint Maarten
The Bahamas
Trinidad and Tobago
Turks and Caicos Islands
U.S. Virgin Islands
United States
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