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When a plumbing or drainage run needs to split into two directions without losing flow efficiency, a poorly fitted junction can cause leaks, pressure drops, or costly rework. DIY builders, plumbers, and irrigation installers who work with rigid PVC pipe systems need a branch fitting that bonds permanently and holds up under continuous use. This PVC Y-Shape Wye Connector Adapter is designed for exactly that job.
Each fitting is manufactured from rigid grey PVC (polyvinyl chloride) and joins pipes using a solvent weld (solvent cement) bond for a leak-free, permanent connection. The inner diameter (ID) ranges from 20mm (~¾ in) to 63mm (~2½ in), covering the most common pipe sizes used in residential and light commercial applications. The Y-shape body creates a smooth 45° branch angle that reduces turbulence and maintains flow rate through the junction.
Typical use cases include residential drainage branch lines where a single run must feed two outlets, garden and agricultural drip irrigation manifolds requiring a wye split, and grey-water or rainwater harvesting systems needing a compact solvent-weld branch point. The grey colour blends with standard PVC pipe stock and is suitable for concealed or exposed installations.
Available in 20mm, 25mm, 32mm, 40mm, 50mm, and 63mm inner diameters to match the most common rigid PVC pipe sizes used in plumbing, drainage, and irrigation projects.
Accepts standard PVC solvent cement for a chemically fused, permanent joint. Once cured, the bond is as strong as the pipe itself — no clamps, threads, or O-rings required.
The wye geometry directs flow at a gradual 45° angle, reducing turbulence and pressure loss at the junction compared to sharp tee fittings — ideal for drainage and gravity-fed systems.
Made from rigid PVC that resists corrosion, scale build-up, and common household chemicals. Suitable for cold-water drainage, irrigation, and non-pressure grey-water applications.
Order 1, 2, 5, or 10 pieces per size to match your project scope — whether you need a single branch point or a full manifold run, you can buy exactly what you need.
The uniform grey colour matches standard rigid PVC pipe stock, keeping installations visually consistent whether the pipework is concealed in walls or left exposed in utility areas.
| Material | Rigid PVC (Polyvinyl Chloride) |
|---|---|
| Colour | Grey |
| Connection Type | Solvent Weld (Solvent Cement) |
| Fitting Shape | Y-Shape (Wye) — 45° branch angle |
| Inner Diameter (ID) | 20mm / 25mm / 32mm / 40mm / 50mm / 63mm |
| Approximate Inch Equivalents | ¾" / 1" / 1¼" / 1½" / 2" / 2½" |
| Wall Thickness | See variant options |
| Outer Diameter (OD) | See variant options |
| Working Pressure | See variant options |
| Temperature Range | Up to approximately 60°C (140°F) — cold water / drainage use |
| Pack Quantities Available | 1 pcs / 2 pcs / 5 pcs / 10 pcs |
| Application | Drainage, irrigation, grey-water, rainwater harvesting |
Match the fitting's inner diameter (ID) to the outer diameter (OD) of your pipe. For example, a 20mm ID fitting is designed to accept a pipe with a 20mm OD. If you are unsure, measure your existing pipe's outside diameter with calipers and select the corresponding fitting size from the variant options above.
These fittings are primarily designed for drainage, irrigation, and gravity-fed grey-water systems. For pressurised cold-water supply applications, confirm the working pressure rating of the specific size variant with us before use, as pressure ratings vary by pipe diameter and wall thickness.
Use a standard PVC solvent cement (also called PVC glue or solvent weld adhesive) rated for rigid PVC pipe. Apply a thin, even coat to both the pipe end and the fitting socket, push firmly together with a slight twist, and hold for 30 seconds. Allow the joint to cure fully before pressurising or running fluid through the line — typically 15–30 minutes for handling strength and 24 hours for full cure.
Rigid grey PVC is resistant to soil chemicals and moisture, making it suitable for underground drainage and irrigation runs. For above-ground outdoor use in direct sunlight, note that unprotected PVC can become brittle over time with prolonged UV exposure. Painting or wrapping exposed sections with UV-resistant tape is recommended for long-term outdoor installations.
A tee fitting creates a 90° branch off the main run, which can cause turbulence and flow restriction — particularly in drainage systems. A wye (Y) fitting branches at a 45° angle, allowing smoother flow transition and reducing the risk of blockages in gravity drainage lines. Wye fittings are generally preferred for drainage and waste systems where flow direction matters.
No — solvent weld creates a permanent chemical bond that cannot be undone once cured. If a joint is incorrectly assembled, the pipe section must be cut out and replaced with a new fitting and a short pipe coupler. Always dry-fit all components before applying solvent cement to confirm alignment and fit.
These fittings are designed for rigid PVC pipe and PVC solvent cement. They are not directly compatible with ABS pipe (which requires ABS cement or a transition cement) or CPVC pipe (which requires CPVC-rated cement and fittings). Always match fitting material to pipe material for a reliable bond.
