Zurn Wilkins 350ADA - 4" Double Check Detector Backflow Preventer

Ideal for fire protection applications.
Its metered bypass detects leaks and unauthorized water use.
Used in low health hazard applications.
4" double check detector assembly - grooved gate valve connections.
Short lay-length for small space installation and single access cover reduces maintenance downtime.
For use in low health hazard applications.
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.

Manufacture Resources