Zurn Z533 / ZN533 9" Heavy-Duty Parking Deck Drain With Support Flange

Product Overview

The Zurn Z533 Heavy-Duty Parking Deck Drain is designed for commercial and elevated deck environments requiring long-term durability and high load performance. Built with a Dura-Coated cast iron body and a gasketed support flange, this drain offers excellent strength, stability, and corrosion resistance. The heavy-duty Duresist slotted grate ensures reliable water capture in demanding conditions. Available in both cast iron (Z533) and polished nickel bronze (ZN533) top configurations.

Features & Benefits

• Heavy-duty construction for parking structures and high-traffic decks
• Dura-Coated cast iron body for long-lasting corrosion resistance
• Gasketed support flange enhances sealing and stability
• Heavy-duty Duresist slotted grate designed for vehicle loading
• Available in cast iron or polished nickel bronze finish
• Offered with 3" or 4" No-Hub or Neo-Loc outlets

Specifications

• Model Options: Z533 (cast iron top), ZN533 (nickel bronze top)
• Top Diameter: 9" (229 mm)
• Overall Flange Diameter: 16-1/2" (419 mm)
• Top Thickness: 1-3/4" (44 mm)
• Materials: Dura-Coated cast iron body; cast iron or nickel bronze grate
• Outlet Sizes: 3" or 4" NH / NL
• Grate Open Area: 16 sq. in. (103 cm²)
• Approx. Weight: 48 lbs (22 kg)
• Options: Underdeck clamp, galvanized finish, top-secured screws, vandal-proof screws, sediment bucket

Installation Tips

• Ensure the support flange sits evenly across the deck surface prior to securing.
• For 6" piping, specify the Z534 instead of the Z533.
• Lubricate Neo-Loc gaskets thoroughly before installation.
• Maintain vertical alignment of the drain during installation.
• Clean the grate regularly to maintain optimal flow capacity.

Frequently Asked Questions

• Can the Z533 be used with 6" piping? No—use the Z534 due to grate flow limitations.
• Is a nickel bronze top available? Yes, the ZN533 includes a polished nickel bronze top.
• Is the grate vehicle-load rated? Yes, suitable for parking deck applications.
• Are underdeck clamps available? Yes, specify suffix “-C”.
• Is a sediment bucket included? Optional via suffix “-Y”.