Zurn Z531 / ZB531 / ZN531 | 9″ Adjustable Wide-Flange Deck Drain
Product Overview
The Zurn Z531 series offers a high-quality 9″ wide-flange deck drain, crafted for dependable performance in commercial patios, balconies, and rooftop terraces. Featuring an adjustable frame and integrated flange system, it provides easy alignment and a tight waterproof seal. Available in cast iron, polished bronze, or polished nickel bronze finishes, and with various outlet sizes, this versatile drain meets both functional and aesthetic needs.
Key Features & Benefits
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Robust Body Options
Constructed with a Dura-coated cast iron body and topped with your choice of durable cast iron (Z531), polished bronze (ZB531), or polished nickel bronze (ZN531). -
Adjustable Flange & Clamp
Equipped with a latex troweling flange and membrane flashing clamp that can be adjusted on-site to match exact deck thickness and waterproofing requirements. -
Medium-Duty Grate
Designed to handle light vehicle traffic and pedestrian loads, the flat slotted grate delivers reliable drainage and clean aesthetics. -
Wide-Flange Design
The 10¼″ diameter flange offers extensive support for tile or membrane installations, ensuring stability and reducing installation errors. -
Multiple Outlet Sizes
Choose the outlet that fits your plumbing system—compatibility with several pipe sizes streamlines specification and increases flexibility. -
Contractor-Friendly Assembly
Zurn’s innovative engineering simplifies adjustments during installation, saving time and reducing the chance of costly rework.
Technical Specifications
| Specification | Details |
|---|---|
| Model | Z531 (Cast Iron), ZB531 (Bronze), ZN531 (Nickel Bronze) |
| Drain Diameter | 9″ (229 mm) |
| Flange Diameter | 10¼″ (260 mm) |
| Body Material | Dura-coated cast iron |
| Flange & Clamp | Adjustable latex troweling flange with membrane clamp |
| Grate Capacity | Medium-duty flat grate |
| Outlet Options | Multiple connection sizes available |
| Installation Use | Decks, patios, walkways, rooftop terraces |
Why Choose the Z531 Series?
The Z531 is the smart choice when your deck drainage needs a perfect blend of durability, adjustability, and visual compatibility. Its adjustable design accommodates different deck finishes and waterproofing materials, making it ideal for both new builds and renovations. Plus, the available finish options ensure your drain complements the look of any outdoor environment.
Frequently Asked Questions
Q: Can the flange height be adjusted after concrete is poured?
Yes—the adjustable flange allows for minor alignment changes to accommodate final deck elevations.
Q: Which top finish should I choose?
Select cast iron for industrial settings, or choose bronze or nickel bronze for upscale architectural finishes.
Q: What load does the grate support?
The medium-duty grate handles light vehicle traffic and pedestrian loads commonly found in deck areas.
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