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Zurn Z509 - 12" Heavy-Duty Drain

Zurn Z509 - 12" Heavy-Duty Drain

Zurn Z509 - 12" Heavy-Duty Drain

$2,493.65


FREE SHIPPING
SKU Z509-3NH-P-S-Y

The Zurn Z509 is a 12-inch heavy-duty area drain engineered for demanding environments where performance, durability, and versatility matter. Whether in plazas, industrial floors, paved areas, or high-traffic exterior zones, this drain offers robust construction and smart design features that support long service life and efficient water removal.

Key Features

  • Dura-coated Cast Iron Body & Bottom Outlet — Strong, corrosion-resistant housing built for longevity under heavy loads and wet conditions.

  • Seepage Pan & Combination Membrane Flashing Clamp / Frame — Helps capture edge flow and secures the drain to the surrounding membrane, reducing leak risks around the drain interface.

  • Heavy-Duty Tractor / Deep-Flange Grate — Designed to support traffic while allowing high flow; includes options for cast iron, polished bronze, or polished nickel bronze tops.

Downloads:

Product Codes: Z509-3IC, Z509-4IC, Z509-6IC, Z509-3IG, Z509-4IG, Z509-6IG, Z509-3IP, Z509-4IP, Z509-6IP, Z509-3NH, Z509-4NH, Z509-6NH, Z509-3NL, Z509-4NL, Z509-6NL, ZB509-3IC, ZB509-4IC, ZB509-6IC, ZB509-3IG, ZB509-4IG, ZB509-6IG, ZB509-3IP, ZB509-4IP, ZB509-6IP, ZB509-3NH, ZB509-4NH, ZB509-6NH, ZB509-3NL, ZB509-4NL, ZB509-6NL, ZN509-3IC, ZN509-4IC, ZN509-6IC, ZN509-3IG, ZN509-4IG, ZN509-6IG, ZN509-3IP, ZN509-4IP, ZN509-6IP, ZN509-3NH, ZN509-4NH, ZN509-6NH, ZN509-3NL, ZN509-4NL, ZN509-6NL,

Frequently Asked Questions

View Our Full Selection of Zurn Drains →

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 Z509 – 12" Heavy-Duty Drain

A 12" heavy-duty area drain featuring a Dura-Coated cast-iron body with bottom outlet, seepage pan, and a combination membrane flashing clamp & frame—topped by a heavy-duty tractor grate for traffic-rated performance on plazas, decks, ramps, and industrial slabs.

In technical terms, the Zurn Z509 integrates cleanly with waterproofing and resists frequent wheel impacts. In plain English: it’s a rugged, serviceable point drain that moves water fast and keeps maintenance straightforward in high-traffic hardscapes.

Zurn Z509 12-inch heavy-duty drain schematic with clamp/frame, seepage pan, and tractor grate
Zurn Z509 – Dimensional & Component Schematic

Key Features

  • 12" round top with a heavy-duty tractor grate for dependable inflow under traffic.
  • Dura-Coated cast-iron body with bottom outlet for long service life.
  • Seepage pan + combination flashing clamp & frame for a clean waterproofing tie-in.
  • Open area (grate): approximately 30 in² for efficient intake.
  • Outlet families: NH No-Hub, NL Neo-Loc, IP Threaded, plus IC/IG variants; typical sizes 2", 3", 4", 6" (confirm per submittal).
  • Top finishes (prefix): Z (cast iron), ZB (polished bronze), ZN (polished nickel-bronze).

Where Z509 Excels

Specify Z509 for parking decks, entry ramps, courtyards, loading zones, and light-industrial floors where durability and reliable inflow are critical. The tractor grate resists rocking and impact, while the clamp/frame assembly helps prevent leaks at the membrane.

Popular Options & Accessories

  • -TS top secured; -VP vandal-proof hardware for public zones.
  • -Y sediment bucket for debris capture; -P trap-primer connection.
  • -DG Duresist ductile-iron grate; -AR acid-resist epoxy; -G galvanized coating.
Zurn brand logo
Zurn – Engineered Drainage for Demanding Sites

Specifications at a Glance

Top: 12" round, heavy-duty tractor grate

Body: Dura-Coated cast iron; bottom outlet

Waterproofing: Seepage pan + combination flashing clamp & frame

Open area: ≈30 in² (verify per submittal)

Outlets: NH / NL / IP / IC / IG (2"–6" by family)

Finishes: Z (CI), ZB (PB), ZN (PNB)

Always confirm final dimensions, load rating, open area, outlet sizes, and furnish on the project submittal.

Installation Highlights

1) Set & Anchor

Seat the drain body at rough elevation; anchor per detail; verify positive slope toward the drain across slab or paver bed.

2) Waterproofing Tie-In

Integrate the seepage pan and clamp/frame with the membrane; protect the assembly during pours/overlays.

3) Commission & Maintain

Install/secure the grate; add a -Y bucket where leaf/grit load is high; schedule seasonal clean-outs ahead of heavy storms.

Case Study: Parking Deck Ponding Fix

A municipal parking structure experienced ponding at ramp transitions after resurfacing. The retrofit standardized on Zurn Z509 drains with 4" No-Hub outlets, -TS secured tops, and -Y buckets near planters. Result: faster draw-down during storms, fewer slip-hazard calls, and reduced downstream jetting thanks to improved debris capture.

Frequently Asked Questions

What’s a “tractor” grate and when should I use it?
A tractor grate is a heavy-duty pattern designed for wheel loads (carts, light vehicles). Use it on ramps, decks, and loading areas where impact resistance matters.
Which outlet connection should I specify?
Match your system: NH No-Hub for cast-iron, NL Neo-Loc for compression fit, IP Threaded for steel, or IC/IG as detailing requires. Sizes typically range from 2" to 6" (confirm on the submittal).
Can I get architectural tops?
Yes—prefix ZB (polished bronze) or ZN (polished nickel-bronze) for finished spaces; base prefix Z is cast iron.