Zurn Z888-18 - Hi-Cap® Slotted Drainage System
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The Zurn Z888-18 is a high-capacity exterior trench drainage system designed for demanding surface applications such as airports, highways, large parking areas, and industrial yards. Its 12 ½-inch (approx.) wide slot and modular 80-inch long low-density polyethylene (LLDPE) channel make installation efficient while delivering excellent flow performance. The interior is smooth and non-stick, minimizing debris buildup and promoting hydraulic efficiency.
Key Features
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12.5″ channel width with a 1.75″ throat opening for high-volume surface runoff
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Made from LLDPE with a smooth radiused interior and 0% water absorption
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80″ modular sections with mechanical interlock joints and integral rebar clips for rapid installation
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Tie-down/leveling devices at regular intervals to maintain elevation and structural integrity
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Suitable for heavy-duty exterior environments requiring high flow capacity

Note: Zurn trench drain products are subject to a $750 minimum order.
Downloads:
- Specification Sheet - Z888-18-DYN
- Specification Sheet - Z888-18
- Spec-Tran Brochure
- Bedding Bracket Installation Instructions - Z888-18
- Asphalt Installation Instructions - Z888-18
- Installation Instructions - Z888-18
- Paver Installation Instructions - Z888-18
- Special Installation Instructions - Z888-18
- Case Study - Evergreen Shell Warehouse Building
- Case Study - Short Pump Town Center Mall
- Product Definitions and Weight Classification Guide
