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 required.

Downloads:

• Specification Sheet
• Installation Guide

Product Codes: Z730-3SP, Z730-4SP, ZN730-3SP, ZN730-4SP, Z730-3SP-DG, Z730-4SP-DG, Z730-3SP-G, Z730-4SP-G, Z730-3SP-J, Z730-4SP-J, Z730-3SP-K, Z730-4SP-K, Z730-3SP-P, Z730-4SP-P, Z730-3SP-V, Z730-4SP-V, Z730-3SP-VP, Z730-4SP-VP, Z730-3SP-Y, Z730-4SP-Y