Zurn Wilkins 350ASTDACFMBG - 4" 350ASTDA Double Check Detector Backflow Assembly with cubic feet meter and grooved end butterfly valves

The 350ASTDA Double Check Detector Backflow Preventer with stainless steel body is ideal for fire protection applications, with a metered by-pass to detect leaks and unauthorized water use.
Used in low health hazard applications.
4" double check detector assembly with cubic feet meter and grooved end butterfly valves with integral supervisory switches.
Short lay-length for small space installation.
Available as 350ASTDAR for backflow replacements/retrofit.
Reliable performance and improved flow characteristics from patented Compound Check, allowing for installation in lower-pressure systems.
Available as 350ASTDAR for backflow replacements/retrofit.
Lower maintenance costs from corrosion resistance of stainless body.
Multiple shut-off and end connections available for installation versatility.