The Zurn Z889-18 is a high-capacity, slotted trench drain clean-out port designed for exterior surface drainage applications. The unit features a 12″ (305 mm) wide channel, fabricated from linear low-density polyethylene (LLDPE) for corrosion resistance, with tongue-and-groove interlocking ends and integral rebar clips for installation accuracy. Each module is 24″ (610 mm) long and includes a ductile-iron frame and grate for heavy-duty use.

Key Features

• 12″ wide clean-out port, 21″ deep, 24″ long modular channel

• LLDPE body with smooth radiused interior to promote self-cleaning flow

• Mechanically interlocking module ends for strong, continuous run alignment

• Integral rebar clips for precise setting during concrete install

• Standard ductile-iron frame and grate; optional heel-proof grate available

Note: Zurn trench drain products are subject to a $750 minimum order.

Downloads:

• Specification Sheet
• Features
• Product Definitions and Weight Classification Guide