A PVC Y-Tee, also known as a wye fitting, Y-branch, or skew tee, is designed to connect three sections of pipe at an angle—typically 45 degrees—offering smoother fluid flow compared to a standard tee. This makes it a critical fitting in systems where flow efficiency, reduced turbulence, and proper directional flow are essential.

Purpose of a PVC Y-Tee (Wye Fitting)

  1. Efficient Directional Flow
    The angled outlet allows liquids or gases to merge or split with minimal friction, making it ideal for systems where smooth transitions are necessary.
  2. Drainage and Waste Systems
    Wye fittings are standard in DWV (Drain, Waste, and Vent) plumbing systems to connect branch lines into vertical stacks without disrupting the flow.
  3. Irrigation and Pool Plumbing
    Useful in garden irrigation and pool plumbing to direct water to multiple zones or consolidate return lines efficiently.
  4. Chemical and Industrial Applications
    When constructed with thicker Schedule 80 PVC, Y-Tees can withstand higher pressures and are ideal for chemical systems or heavy-duty fluid transport.

Other Common Names for Y-Tee Fittings

  • Wye Fitting
  • Y-Fitting
  • Skew Tee
  • 45-Degree Y
  • Y-Branch
  • Combination Wye (in DWV systems)
  • Sweep Wye

These names may vary slightly by industry, but they typically refer to the same 45-degree three-way fitting.

Recommended Y-Tee Fittings from 247Garden

1. Schedule 40 Skew Y-Tee (1/2" to 2")

Durable and lightweight, ideal for general plumbing and irrigation.

  • Made from high-impact PVC
  • Socket end connections for solvent weld
  • Meets ASTM D2466 standards

2. Schedule 80 Skew Y-Tee (1/2" to 6")

Built for industrial-grade performance under high pressure or chemical exposure.

  • Extra-thick walls for added strength
  • Conforms to ASTM D2467 and ANSI requirements
  • Ideal for industrial, commercial, or high-pressure systems

3. DWV Wye Fitting (1" to 6")

Perfect for low-pressure drain, waste, and vent applications.

  • Designed with a longer sweep for better flow in gravity-based systems
  • Available in multiple sizes with slip connections
  • Manufactured to meet or exceed ASTM D2665 and D3311 standards for DWV fittings
  • Great for residential and light commercial plumbing projects

Sizes Available at 247Garden

Schedule 40 and Schedule 80 Skew Y-Tees:

  • 1/2 inch
  • 3/4 inch
  • 1 inch
  • 1-1/4 inch
  • 1-1/2 inch
  • 2 inch
  • 3 inch
  • 4 inch
  • 6 inch

DWV Wye Fittings:

  • 1-1/2 inch
  • 2 inch
  • 3 inch
  • 4 inch

Whether you're building a high-flow irrigation system, a DWV plumbing layout, or an industrial liquid handling setup, 247Garden offers the right Y-tee fittings in Schedule 40, Schedule 80, and DWV types to meet your project's requirements. High-quality materials, precise manufacturing, and wide size availability make 247Garden a trusted choice for professional-grade PVC fittings.