ZURN Floor Drain: 12 1/8 in Overall Dia, 9 1/4 in Grate Size, 4 in Nominal Pipe Size

The ZURN Z520-4NL is a cast iron area drain designed for commercial and industrial floor drainage in applications such as parking garages, loading docks, and mechanical rooms. It handles surface water and wash-down runoff, with a 9 1/4 in grate and 4 in nominal pipe size for high-flow capacity.

The ZURN Z520-4NL is a cast iron area drain with a 12 1/8 in overall diameter, 9 1/4 in grate size, and 4 in nominal pipe size. The manufacturer part number is Z520-4NL. It is designed for heavy-duty commercial drainage and is supplied by 3G Electric as a global sourcing partner.

You can source the ZURN Z520-4NL floor drain through 3G Electric, which handles full logistics, customs clearance, and delivery to worldwide destinations. As a global industrial equipment distributor since 1990, 3G Electric provides this cast iron area drain for commercial drainage projects. Contact for availability and lead time.

Install the ZURN Z520-4NL by setting the cast iron body into a concrete slab before pouring, ensuring the 4 in pipe connection aligns with the drainage line. Level the grate to finished floor height and seal joints per local plumbing codes. Always follow generic best practices for cast iron drain installation to prevent leaks.