The Zurn Wilkins 450STDAR Stainless Steel Replacement n-Pattern Double Check Detector Assembly (DCDA) 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. The patented AR spool provides a replacement for Zurn Model 450DA Ductile Iron n-Pattern, as well as unique customer-modified installations.
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