Spears DWV Double Sanitary Tee...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$40.01
Spears DWV Double Sanitary Tee, PVC All-Hub Fitting

Spears DWV Double Sanitary Tee, PVC All-Hub Fitting

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Model: P439-338

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

$40.01
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Spears DWV Double Sanitary Tee, PVC All-Hub Fitting

The Spears DWV Double Sanitary Tee is a PVC drain-waste-vent fitting engineered with a right and left inlet configuration and all-hub solvent-weld connections for reliable, leak-resistant joints. Built in a reducing size configuration of 3X3X3X3X2X2, this double sanitary tee lets installers transition branch lines efficiently within a single DWV fitting, and it ships 4 pieces per carton for job-ready availability on rough-in day. Constructed from PVC for corrosion resistance and long-term durability, it is designed for use in residential and commercial drain-waste-vent piping systems where multiple branch lines need to tie into a common main line without stacking several individual fittings.

Key Features

  • Double Sanitary Tee Configuration: Right and left inlet design allows two branch connections to enter the fitting from opposite sides, simplifying DWV routing in tight spaces.
  • All-Hub Connections: Solvent-weld hub ends on every opening provide secure, leak-resistant joints without requiring additional male or female adapters.
  • Durable PVC Construction: PVC material offers strong corrosion and chemical resistance along with a long service life in drain-waste-vent applications.
  • Reducing Size Configuration: Sized 3X3X3X3X2X2 to transition between larger main-line diameters and smaller branch-line diameters within a single fitting body.
  • DWV Rated: Purpose-built for gravity-flow drain, waste, and vent piping systems rather than pressure-rated water distribution lines.
  • Lightweight, Easy-to-Handle Design: PVC construction keeps the fitting lightweight for easier handling and faster installation compared to metal alternatives.
  • Carton Packaging: Supplied 4 pieces per carton for convenient stocking, job planning, and inventory management.

Technical Specifications

  • Size: 3X3X3X3X2X2
  • Packaging: 4 ea
  • Product Type: PVC Fitting
  • Product Group: PVC & CPVC Fittings
  • Department: Plumbing

Typical Applications

  • Residential and Commercial Drain-Waste-Vent Systems
  • Branch Line Transitions in DWV Piping
  • New Construction Plumbing Rough-In
  • Plumbing Renovation and Repair Projects
  • Multi-Fixture Drain Line Consolidation
  • Vent Stack and Waste Line Assemblies

Why Spears?

Spears is a recognized manufacturer of PVC and CPVC piping products, and this DWV double sanitary tee reflects that focus with all-hub solvent-weld connections and durable PVC construction built for dependable drain-waste-vent performance. Choosing a Spears DWV fitting helps plumbers and contractors maintain consistent fit-up across a job while supporting reliable, code-compliant plumbing installations from rough-in through final inspection.

Product Specs

Product Size:
3X3X3X3X2X2
Product Type:
PVC Fitting
Department:
Plumbing
Product Group:
PVC & CPVC Fittings
Product Material:
PVC
Configuration:
Double Sanitary Tee
Connection Type:
Hub (Solvent-Weld)
Product Subgroup:
Fittings and Valves

Spears P439-338 – Frequently Asked Questions

1) What is a double sanitary tee used for in a DWV system?
A double sanitary tee ties two branch drain lines into a common main from opposite sides, right and left inlet, in one fitting body instead of stacking two separate sanitary tees. The Spears P439-338 is the PVC version of that fitting, with hub (solvent-weld) ends on every opening. It's built for gravity-flow drain, waste and vent piping, back-to-back fixtures on either side of a wall being the usual case, not for pressure water distribution.
2) What pipe sizes does the Spears P439-338 double sanitary tee take?
It's sized 3X3X3X3X2X2: the run and the two main openings take 3 inch pipe, and the two reducing inlets take 2 inch. So a 3 inch stack passes through and you land 2 inch branch lines, a lavatory or a tub waste for example, into the sides without a separate bushing or reducer. All six openings are hubs, so you solvent-weld pipe straight in with no adapters.
3) Can I use a PVC double sanitary tee on a horizontal drain line?
No. A double sanitary tee is a vertical fitting. Use it where the branches enter a vertical stack, or for a vent connection; laid on its back in a horizontal-to-horizontal wet drain run it lets waste from one side cross into the other. For horizontal branch drainage you want a double wye with eighth bends instead. The Spears P439-338 itself is PVC DWV with all hub ends, sized 3X3X3X3X2X2.
4) Is the Spears P439-338 PVC or ABS, and can I glue it to my existing drain pipe?
PVC. It solvent-welds to PVC DWV pipe with PVC cement and primer. It will not chemically weld to ABS, so if the existing drain is black ABS you need a transition, either a listed PVC-to-ABS transition cement joint where your inspector allows it or a mechanical coupling. Match the material before you cut anything in.
5) Can I use this DWV fitting on a pressure or water supply line?
No. The P439-338 is a DWV fitting, made for gravity drain, waste and vent piping only. DWV fittings carry no pressure rating and must not be used on water distribution, irrigation, or any pressurized line. For pressure work you need Schedule 40 or Schedule 80 pressure-rated PVC fittings.
6) Do I need adapters or a bushing to connect 2 inch branch lines to a 3 inch DWV stack?
Not with this fitting. The reducing 3X3X3X3X2X2 body already steps the branch openings down to 2 inch, and every end is a solvent-weld hub, so 2 inch DWV pipe goes directly into the inlets and 3 inch into the main openings. That saves a bushing and a joint on each side of the wall.
7) What is the difference between a double sanitary tee and two single sanitary tees stacked?
Stacking two singles puts the branch inlets at different elevations and adds a joint and several inches of stack height. The double brings both branches in at the same level from opposite sides in one body, which is what you want for back-to-back fixtures and what makes it fit inside a standard wall cavity. The Spears version does that in 3 inch main with 2 inch inlets, 3X3X3X3X2X2, all solvent-weld hubs.
8) What is the manufacturer part number for the Spears 3 x 3 x 2 double sanitary tee?
P439-338 is the Spears part number for the PVC DWV double sanitary tee in the 3X3X3X3X2X2 all-hub configuration. Order by that number when you need the reducing double with 2 inch side inlets, since the same series covers straight 3 inch and other reducing combinations under different suffixes.
9) How many Spears P439-338 double sanitary tees come in a carton?
Four pieces per carton. That's the practical unit for stocking a rough-in truck or planning a multi-unit job where back-to-back bathrooms repeat floor to floor.
How fast can I get the Spears P439-338 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 Spears P439-338 come with a warranty?
Absolutely. The Spears P439-338 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 Spears P439-338?
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
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