Sioux Chief 860-3PI FAT MAX PV...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$151.48
Sioux Chief 860-3PI FAT MAX PVC Floor Drain with Round Grate

Sioux Chief 860-3PI FAT MAX PVC Floor Drain with Round Grate

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Model: 860-3PI

In Stock (leaves warehouse same day if ordered before 3pm ET)

$151.48
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Sioux Chief 860-3PI FAT MAX PVC Floor Drain with Round Grate

The Sioux Chief 860-3PI FAT MAX is a low-profile PVC floor drain built for rough-in installations that demand a solid, long-lasting connection to the building's drain-waste-vent system. Designed with a solvent weld connection that accepts either ABS or PVC piping, this drain features a low profile body paired with an integral anchor flange, giving installers a secure mounting point and a stable, reliable set before the floor is poured or finished. The round grate (R&G) configuration makes it well suited for commercial and light-industrial floor drain applications where a wide, dependable inlet is required.

Key Features

  • Solvent Weld Connection: Accepts ABS or PVC pipe for a permanent, leak-resistant joint during rough-in.
  • Low Profile Design: Compact body profile simplifies installation in tight slab or sub-floor conditions.
  • Anchor Flange: Integral anchor flange provides a solid, stable installation point that resists movement during pour-in or finish work.
  • Round Grate (R&G) Configuration: Wide, round grate inlet suited for standard floor drain applications.
  • PVC Construction: Durable PVC body material resists corrosion common in wet, below-grade drainage environments.

Technical Specifications

  • Country of Origin: United States
  • Cubic Volume: 1.67456
  • Packaging: 2 EA

Typical Applications

  • Commercial and Light-Industrial Floor Drain Rough-In
  • New Construction Drain-Waste-Vent Installations
  • Renovation Projects Requiring ABS or PVC Floor Drain Connections
  • Slab-on-Grade and Sub-Floor Drainage Systems

Why Sioux Chief?

Sioux Chief builds rough-in plumbing products engineered for the realities of the jobsite, and the 860-3PI FAT MAX floor drain is no exception. Its low profile anchor flange design and flexible ABS or PVC solvent weld connection give plumbers and contractors a dependable floor drain that installs securely and stands up to daily commercial drainage demands. Manufactured in the United States, this drain reflects Sioux Chief's focus on practical, install-ready plumbing solutions for professionals.

Manufacturer Resources

Spec Sheet

Product Specs

Product Type:
Floor Drain
Connection Type:
Solvent Weld
Configuration:
Round Grate
Country of Origin:
United States
Department:
Plumbing
Product Group:
Rough-In and Supports
Product Subgroup:
Drains and Cleanouts
Product Material:
PVC

Sioux Chief 860-3PI – Frequently Asked Questions

1) Can the Sioux Chief 860-3PI floor drain connect to ABS pipe, or is it PVC only?
The 860-3PI FAT MAX drain uses a solvent weld connection that accepts either ABS or PVC pipe, so you can tie it into either material without an adapter or transition coupling. The drain body itself is PVC. Solvent weld means a permanent joint, so dry fit and set your elevation before cementing.
2) What does the anchor flange on the 860-3PI do, and do I need it for a poured slab?
The anchor flange is integral to the 860-3PI body and gives you a mounting point that holds the drain in position so it doesn't shift or float during the pour or finish work. On slab-on-grade and sub-floor drainage installs that is exactly what keeps the grate at finished floor height after the concrete sets.
3) Is the 860-3PI a round grate or square grate floor drain?
Round grate. The 860-3PI is the R&G (round grate) configuration, which gives a wide round inlet suited to general commercial and light-industrial floor drain duty. If your floor finish or tile layout calls for a square strainer, this is not the configuration you want.
4) Do PVC floor drains hold up in wet below-grade drainage, or should I specify cast iron?
The 860-3PI is PVC, which resists the corrosion that shows up in wet, below-grade drainage environments, and it solvent welds straight into a plastic DWV system. Cast iron is the call when a project spec demands a metal body or the drain sees heavy traffic loading or high-temperature discharge. For standard commercial and light-industrial floor drain rough-in on a PVC or ABS system, the plastic body is the direct match.
5) Is the Sioux Chief 860-3PI made in the USA?
Yes, the 860-3PI FAT MAX floor drain is manufactured in the United States, which matters if you're buying against a domestic-preference or Buy American procurement requirement on a government or institutional job.
6) How many Sioux Chief 860-3PI drains come in a package?
The 860-3PI is packaged 2 each, so a single pack covers two openings. Worth knowing if you're ordering per-drain counts for a multi-unit or multi-bay job.
7) What part number do I order for the Sioux Chief FAT MAX low profile round grate floor drain?
Order Sioux Chief part number 860-3PI. That is the FAT MAX low profile PVC floor drain with the round grate, anchor flange, and ABS/PVC solvent weld connection.
How fast can I get the Sioux Chief 860-3PI delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Sioux Chief 860-3PI come with a warranty?
Absolutely. The Sioux Chief 860-3PI is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Sioux Chief 860-3PI?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Sioux Chief 860-3PI from ZenSupply?
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