Zurn RD2130-NH3-CI 3″ Cast-Iron Roof Drain

The **Zurn RD2130-NH3-CI** is a premium combination roof drain and overflow system designed for durability and performance. Built with a **Dura-Coated cast-iron body**, this system features a cast-iron clamp device with an integrated gravel guard, roof sump receiver, and dome strainer—all engineered to handle heavy rainfall and debris while maintaining long-term reliability. The **3-inch no-hub outlet** simplifies installation, making it ideal for both new construction and retrofit projects.

This fully assembled system includes a standard overflow dome, ensuring efficient water management without additional components. Backed by a **1-year limited warranty**, the Zurn RD2130-NH3-CI delivers the strength and corrosion resistance needed for commercial and residential roofing applications. Whether you're upgrading an existing system or installing a new drain, this solution combines functionality with Zurn’s reputation for quality craftsmanship.