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FREE SHIPPING ON ALL ORDERS
FREE SHIPPING ON ALL ORDERS

Zurn Z730 - 9" Medium-Duty Top Drain

$3,292.68


FREE SHIPPING
SKU Z730-3SP

The Zurn Z730 is an integral-trap floor drain designed to combine efficient wastewater removal with odor protection in a single compact unit. Ideal for tight floor applications, restrooms, utility areas, or smaller wet environments, it provides dependable performance without requiring a separate trap unit.

Key Features

  • Built-In Trap Seal
    The integral trap maintains a water barrier to prevent sewer gas intrusion while keeping the footprint minimal.

  • Durable, Wet-Rated Construction
    Engineered for long-term use in wet areas, it is built with materials suited to resist moisture, corrosion, and frequent service.

  • High-Flow Grate & Serviceability
    Designed with a grate or strainer that ensures strong flow, easy debris clearance, and access for cleaning and maintenance.

Downloads:

Product Codes: Z730-3SP, Z730-4SP, ZN730-3SP, ZN730-4SP, Z730-3SP-DG, Z730-4SP-DG, Z730-3SP-G, Z730-4SP-G, Z730-3SP-J, Z730-4SP-J, Z730-3SP-K, Z730-4SP-K, Z730-3SP-P, Z730-4SP-P, Z730-3SP-V, Z730-4SP-V, Z730-3SP-VP, Z730-4SP-VP, Z730-3SP-Y, Z730-4SP-Y

Frequently Asked Questions

Shipping

  • All items ship for free (standard ground, see map)
  • Call: (800) 604-5537 for pricing and shipping questions. Shipping estimates shown on the map pertain to this specific product only.
  • Orders typically ship in 1-3 business days. Transit times displayed in the map are listed in business days, and are approximate. The day that the order is shipped is not counted as a transit day.
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Zurn Z730 – 9" Medium-Duty Top Drain: An Overview

The Zurn Z730 Medium-Duty Top Drain is engineered for commercial and institutional applications where reliable drainage and long-lasting performance are required.

Designed with an integral trap and a 9-inch nickel-bronze top, the Zurn Z730 is ideal for medium-duty floor drainage needs. Its cast iron body with a Dura-Coat finish ensures durability, while the nickel-bronze strainer offers corrosion resistance and sanitation. This drain is well-suited for mechanical rooms, institutional kitchens, utility spaces, and commercial areas with moderate traffic.

Zurn Z730 installation schematic
Zurn Z730 – Typical Installation Schematic

Key Features

  • 9" nickel-bronze top for strength, sanitation, and corrosion resistance.
  • Integral trap design reduces installation complexity and prevents sewer gas backflow.
  • Cast iron body with Dura-Coat finish for durability in demanding conditions.
  • Medium-duty rating suitable for commercial and institutional facilities.
  • Outlet sizes available in 2", 3", and 4" options.

Applications

The Zurn Z730 is a trusted choice for schools, commercial kitchens, institutional facilities, and utility spaces. Its medium-duty construction ensures reliable drainage in environments where durability and sanitary performance are critical. The integral trap helps maintain clean air by blocking sewer gases while handling routine drainage demands.

Where It Excels

  • Institutional kitchens and cafeterias
  • Mechanical and equipment rooms
  • School and hospital utility spaces
  • Light to medium commercial floors
Zurn company logo
Trusted Zurn Quality for Commercial Drainage
Zurn Z730 schematic diagram
Zurn Z730 – Dimensional Schematic

Specifications at a Glance

  • Body: Cast iron with Dura-Coat finish
  • Top: 9" nickel-bronze
  • Outlet sizes: 2", 3", 4"
  • Design: Integral trap drain
  • Load Rating: Medium-duty

Case Study: School Kitchen Renovation

A public school undergoing kitchen renovations needed reliable drainage for light-to-moderate traffic areas. They chose the Zurn Z730 for its integral trap design, nickel-bronze top, and medium-duty strength. The result was a more sanitary and efficient kitchen workspace, with reduced maintenance and improved odor control. The Z730’s durability has since made it the preferred choice across other school facilities in the district.

Frequently Asked Questions

What makes the Z730 different from the Z742?
The Z730 has a larger 9" nickel-bronze top and is rated for medium-duty use, while the Z742 is designed for lighter-duty applications.
Is the trap integral or separate?
The Z730 includes an integral trap built into the drain body, reducing installation complexity and improving reliability.
What outlet sizes are available?
Outlet options include 2", 3", and 4" to match different piping requirements.