Description
Zurn Wilkins 2-350XL 2″ Double Check Valve Assembly Backflow Preventer – Lead-Free
Product Overview
The Zurn Wilkins 2-350XL Double Check Valve Assembly (DCVA) provides dependable backflow prevention for potable water systems in commercial, residential, and industrial applications. Engineered to guard against both backsiphonage and backpressure, this 2-inch lead-free backflow valve ensures contaminated or polluted water does not enter the clean water supply.
Built with a cast bronze body, reinforced nylon housing, and corrosion-resistant stainless steel components, the 350XL series delivers durability and long-term reliability. The patented removable pressure vessel simplifies maintenance, while top-mounted test cocks allow for quick and accurate testing.
Features & Benefits
-
Lead-free design compliant with safe drinking water regulations
-
Patented removable pressure vessel for easier maintenance and service
-
Top-mounted test cocks streamline testing and installation
-
Available blow-out flush fitting reduces debris buildup
-
Designed for domestic, irrigation, fire protection, and waterworks applications
-
Compact design with threaded FNPT end connections for simple installation
Applications
The 2-350XL DCVA backflow preventer is ideal for protecting potable water systems in:
-
Domestic water service lines
-
Irrigation systems
-
Fire protection systems
-
Waterworks and commercial plumbing systems
Specifications
-
Model: 2-350XL
-
Size: 2 inch (available in 1/2″ through 2″)
-
Body Material: Cast Bronze, ASTM B 584
-
Housing: Reinforced Nylon
-
Fasteners & Springs: Stainless Steel, 300 Series
-
Elastomers: Silicone & Buna Nitrile, FDA approved
-
Internals: Delrin, NSF Listed
-
Ball Valves: Cast Bronze, ASTM B 584
-
Maximum Working Pressure: 175 PSI
-
Maximum Temperature: 180°F (82°C)
-
Hydrostatic Test Pressure: 350 PSI
-
Connections: Threaded ANSI B1.20.1 FNPT
-
Compliance & Approvals:
-
ASSE® Listed 1015
-
IAPMO® Listed
-
CSA® Certified B64.5
-
AWWA Compliant C510
-
USC FCCC&HR Approved
-
UL® & C-UL® Classified (less shut-off valves)
-
Installation Tips
-
Install according to local plumbing and backflow prevention codes.
-
Mount in a horizontal orientation unless otherwise specified.
-
Ensure clearance for testing and maintenance access.
-
Provide adequate drainage and protection from freezing conditions.
-
Use only trained and certified professionals for installation and testing.
FAQs
Q: What does the 2-350XL protect against?
It prevents backsiphonage and backpressure of polluted water into potable supply lines.
Q: Is the 2-350XL lead-free?
Yes, it complies with NSF/ANSI 61 and lead-free laws, making it suitable for drinking water applications.
Q: Can this be used for irrigation or fire systems?
Yes, it is approved for domestic water, irrigation, fire protection, and waterworks applications.
Q: What makes maintenance easier on this model?
Its patented removable pressure vessel and top-mounted test cocks reduce service time and simplify inspections.
Reviews
There are no reviews yet.