ZURN RD2130-NH4-CI ROOF DRAIN

SPECIAL ORDER ITEM. Review Returns Policy before purchase. Engineered for commercial and residential roof drainage, this combination system manages both primary drainage and overflow conditions to protect structural integrity. The unit features an integral roof sump receiver for efficient water collection and includes a specialized clamp device with an integral gravel guard to prevent debris from entering the system. A dome strainer keeps the outlet clear to maintain consistent flow during heavy rainfall. This assembly is ASME- certified and UPC- and IPC- compliant, ensuring it meets rigorous plumbing standards for water-tight performance and safety in demanding architectural applications.