8 Products
The Zurn Wilkins 350DA Double Check Detector Backflow Preventer is ideal for fire protection applications, with a metered by-pass to detect leaks and unauthorized water use. Used in low health hazard applications.
Features
- Short lay-length for small space installation
- Reliable performance and improved flow characteristics from patented Compound Check
- Resilient wedge OS&Y gate valves standard
- Approved in horizontal and vertical positions
- Available in flanged, grooved, or grooved x flanged end connections for installation versatility
- No threads or taps in body or cover, eliminating exposure to corrosion
- Single access cover reduces maintenance down time
Installation and Maintenance Instructions 2 1/2" - 6" Installation and Maintenance Instructions 8" - 10" Specification Sheet Repair Parts Guide 4" - 12" 
Zurn Wilkins Backflow Prevention 350 (4 inch & 6 inch) - How to Repair
Zurn Wilkins Backflow Prevention 350 (8 inch, 10 inch & 12 inch) - How to Repair
Zurn Wilkins Backflow Prevention Model 49 Butterfly Valve - How to Adjust Opening and Closing Stop
Zurn Wilkins Backflow Prevention Detector Assemblies - How it Works
Zurn Wilkins Backflow Prevention 350 (2.5 inch & 3 inch) - How to Repair
8 Products
Wilkins 4" 300/400 Series Check Rubber Kit (Flanged body Only)
SKU: RK4-350F
Alternative SKU: RK4-350
$232.00
Wilkins 4" 300/400 Series 1st Check Retainer (Flanged Body Only)
SKU: 3509-14BF
Alternative SKU: 3509-14B
$120.00
Wilkins 4" 300/400 Series 2nd Check Assembly (Flanged Body Only)
SKU: RK4-350CK2F
Alternative SKU: RK4-350CK2
$600.00
Wilkins 4" 300/400 Series 2nd Check Retainer (Flanged body Only)
SKU: 3509-140F
Alternative SKU: 3509-140
$161.00
Wilkins 1/2" Male Bulkhead Fitting 2 1/2"-4" 350/350A/375/375A/350DA/350ADA/375A/375ADA
SKU: BHF1CXL-100
$276.00
Wilkins 1/2" Male Bulkhead Fittings 2 1/2"-6" 350/350A/375/375A/350DA/350ADA/375A/375ADA
SKU: BHF1BXL-100
$267.00
Items:0 | Total:$0.00