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The Zurn Wilkins 475DA Reduced Pressure Principle Assembly is shaped in the n-Pattern, making it ideal for new or retrofit installations in tight locations. Works for high hazard fire sprinkler systems. Its metered bypass detects leaks and other water use.
Features
- 8" reduced pressure detector assembly
- Small footprint for easy fire protection new or retrofit installations
- For use in high health hazard applications
- 475DA assembled in n-Pattern
- 475DAV allows for vertical up flow in a z-Pattern
Installation and Maintenance Instructions 4" - 6" Installation and Maintenance Instructions 8" - 10" Specification Sheet Repair Parts Guide 
Zurn Wilkins Backflow Prevention Detector Assemblies - How it Works
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Zurn Wilkins Backflow Prevention - Why does Zurn call it a Compound Check?
8 Products
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