Basement and Subterranean Area Drain - Zurn Z730

The Basement and Subterranean Area Drain combines the rugged Zurn Z664 trench drain and the reliable Zurn Z730 integral trap drain into a comprehensive drainage solution for low-lying interior and exterior spaces. This system handles high surface water flow and protects indoor environments with integrated trapping to block sewer gases and simplify maintenance — ideal for basements, underground corridors, and subterranean facilities where dependable, continuous drainage is critical.  Key Features Heavy-duty modular trench sections with bottom outlet and secondary dome strainer for high-volume surface water capture.  Dura-Coated cast iron construction built to resist corrosion and long-term wear.  Integral double-wall trap in the top drain prevents sewer gas escape and supports building safety.  Bronze floor cleanout plug simplifies service and access.  Designed for basements, subterranean passages, parking levels, and service corridors where combined surface and floor drainage is r