Zurn Z325 Indirect Waste Funnel with Integral Backwater Valve.

Product Overview

The Zurn Z325 Indirect Waste Funnel is designed for commercial and industrial drainage systems requiring reliable backflow protection. Featuring a Dura-Coated cast iron body, bronze backwater valve bushing, and a plastic ball float, this unit provides dependable performance for indirect waste applications. Available in 7-inch and 9-inch diameters with multiple outlet sizes, it is commonly recessed into concrete but can also be installed securely in other flooring materials.

Features & Benefits

• Automatic plastic ball float prevents backflow during surcharging conditions
• Dura-Coated cast iron body ensures durability and corrosion resistance
• Bearing-grade bronze bushing provides smooth long-term valve sealing
• Replaceable neoprene seat extends system lifespan
• Available in four outlet sizes for various applications

Specifications

• Model: Z325
• Diameters: 7" (178 mm) or 9" (229 mm)
• Body Material: Dura-Coated cast iron
• Valve Components: Plastic ball float, bronze bushing, neoprene seat
• Outlet Sizes: Four available (specify)
• Installation: Floor-recessed or surface-mounted depending on flooring

Installation Tips

• Install with funnel top above floor and valve recessed below
• Encapsulate body securely in concrete or approved flooring
• Select correct outlet size before installation
• Ensure access for maintenance through the funnel top
• Inspect the ball float and seat during regular service intervals

FAQs

• What prevents backflow? The internal plastic ball float seals automatically during reversal.
• Can it be installed in non-concrete floors? Yes, if the drain is secured properly.
• Is the seat replaceable? Yes, the neoprene seat can be replaced.
• Where is it used? Indirect waste lines for refrigeration, food equipment, etc.
• What outlet sizes are available? Four options—verify before ordering.