Description
Zurn Z508 / ZB508 / ZN508 9″ Extra-Heavy-Duty Commercial Floor Drain
Product Overview
The Zurn Z508 / ZB508 / ZN508 Extra-Heavy-Duty Floor Drain is engineered to handle the toughest commercial and industrial drainage applications. Featuring a Dura-Coated cast iron body with a 9″ diameter top, this drain is built to withstand high-traffic environments while providing long-lasting durability.
Available with a cast iron, polished bronze, or polished nickel bronze top, the Z508 series offers design flexibility without sacrificing performance. Each unit comes equipped with a deep flange slotted grate, seepage pan, and a combination membrane flashing clamp and frame for secure, watertight installation. Ideal for commercial kitchens, mechanical rooms, warehouses, and other heavy-use spaces, this drain ensures reliable water management and simplified installation with Zurn’s patented contractor solutions.
Features & Benefits
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Extra-heavy-duty construction for demanding commercial drainage needs
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Dura-Coated cast iron body ensures maximum strength and corrosion resistance
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Choice of cast iron, polished bronze, or polished nickel bronze tops
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9″ deep flange slotted grate provides superior flow capacity
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Integrated seepage pan enhances system reliability
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Combination membrane flashing clamp and frame for watertight installation
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Compatible with Zurn’s patented contractor installation solutions for faster, easier setup
Specifications
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Model Numbers: Z508 (cast iron), ZB508 (polished bronze), ZN508 (polished nickel bronze)
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Diameter: 9″ (229mm) top grate
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Body Material: Dura-Coated Cast Iron
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Top Options: Cast Iron, Polished Bronze, or Polished Nickel Bronze
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Outlet: Bottom outlet
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Components: Deep flange slotted grate, seepage pan, flashing clamp & frame
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ALT SKUs: Z508, Z-508, Z 508, 508; ZB508, ZB-508, ZB 508; ZN508, ZN-508, ZN 508
Installation Tips
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Verify outlet size compatibility before installation.
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Position the drain flush with finished floor height for proper flow.
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Use the membrane flashing clamp for watertight sealing in waterproofed floors.
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Select the appropriate top finish (cast iron, bronze, or nickel bronze) based on traffic and aesthetic needs.
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For optimal results, follow local plumbing codes and guidelines for commercial drainage.
FAQs
Q: What applications is the Z508 series best suited for?
It’s ideal for heavy-use commercial and industrial spaces such as kitchens, warehouses, mechanical rooms, and public facilities.
Q: What is the difference between Z508, ZB508, and ZN508?
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Z508: Cast iron top
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ZB508: Polished bronze top
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ZN508: Polished nickel bronze top
Q: Does this drain include a flashing clamp?
Yes, it comes with a combination membrane flashing clamp and frame for secure installation.
Q: What makes this drain extra-heavy-duty?
Its Dura-Coated cast iron construction and deep flange design allow it to withstand extreme load and traffic conditions.
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