475STDA

Reduced Pressure Detector Assembly

Retrofit
Lead Free
Zurn Wilkins

The Zurn Wilkins 475STDA Stainless Steel n-Pattern Reduced Pressure Detector Assembly (RPDA) withstands the corrosive effects of water and is ideal for new or direct drop-in replacement delivering convenience without compromise.  For fire protection applications, with a metered by-pass to detect leaks and other water use.

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  • Superior stainless steel body resists corrosion and extends the life of the product
  • Small, compact footprint allows for direct drop-in replacement
  • Time-tested check and relief valve components ensure easy maintenance and more water system uptime
  • Patented compound checks provide ultra-low pressure drop as documented by approval authorities, reducing the need for a booster pump
  • Patented AR spool for drop-in replacements, matching lay-lengths of common n-pattern valves
  • AR spool maintains agency approvals when installed by the factory
  • Backflow setter eliminates the need for concrete thrust blocks, allowing for easier installation and lower cost
  • Available in sizes 4 in. through 10 in.
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