- 4" double check detector assembly
- 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
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.