Zurn Z503 / ZB503 / ZN503 15" Extra-Heavy-Duty Area Drain

Product Overview

The Zurn Z503 Series 15" Area Drain is engineered for demanding commercial and industrial applications. Built with a rugged Dura-Coated cast iron body and available with cast iron, polished bronze or polished nickel bronze tops, this drain delivers exceptional strength, flow capacity, and long-term performance. The heavy-duty anti-tilt grate and seepage pan improve drainage efficiency and ensure reliable operation under heavy loads.

Features & Benefits

• Dura-Coated cast iron body for superior durability.
• Optional polished bronze or polished nickel bronze tops.
• Heavy-duty anti-tilt slotted grate for maximum stability.
• Integrated seepage pan enhances drainage and reduces surface pooling.
• Designed for commercial and industrial floor applications.

Specifications

• Diameter: 15" (381 mm)
• Models: Z503 (cast iron top), ZB503 (bronze top), ZN503 (nickel bronze top)
• Grate Type: Anti-tilt, slotted heavy-duty grate
• Body Material: Dura-Coated cast iron
• Outlet: Bottom outlet design

Installation Tips

• Ensure the surface is properly sloped toward the drain.
• Select top material based on traffic load and appearance.
• Verify the grate is fully seated for maximum load capacity.
• Maintain the grate openings for optimal water flow.
• Confirm outlet sizing matches the drainage system.

FAQs

1. What’s the difference between Z503, ZB503, and ZN503?
   Z503 is standard; ZB503 includes a bronze top; ZN503 includes a nickel bronze top.
2. Is the grate heavy-duty?
   Yes, it is extra-heavy-duty with an anti-tilt design.
3. Where is this used?
   Commercial floors, industrial buildings, mechanical rooms, and exterior slabs.
4. Does it include a seepage pan?
   Yes, the drain includes an integrated seepage pan.
5. What outlet type is provided?
   A bottom outlet for simple alignment and pipe connection.