The NDS Schedule 35 6 in. Hub Reducing Wye is a purpose-built underground PVC fitting that simplifies multi-branch drainage in sewer systems. With two 6-inch hub inlets feeding into a single 4-inch hub outlet, this three-way reducing wye delivers a clean, reliable junction for compact underground layouts and longer runs alike. Built to endure bury conditions while meeting code standards, it keeps flow moving smoothly where it matters most.
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Brand & type: NDS, Reducing Wye
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Material & schedule: PVC, Schedule 35
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Connection ends: End 1 – 6 in Hub; End 2 – 6 in Hub; End 3 – 4 in Hub
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Application: Underground sewer pipe installations
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Compliance: IAPMO Certified, NSF Listed, Lead-Free
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Durability: Underground rated for buried applications; designed for reliable solvent-weld hub connections
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Specs to know: Maximum Pressure 5; End types are hubs; Packaging: bulk; Number in Package: 1
Why this reducing wye stands out
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Efficient junction for two 6" runs: Seamlessly combine two large-diameter lines into a single 4" outlet, which helps manage drainage paths without sharp turns that can trap debris.
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Code-conscious construction: IAPMO certification and NSF listing provide confidence in safety and compliance for plumbing and drainage projects.
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Underground reliability: Fully rated for buried installations, offering a robust solution beneath slabs, yards, and other subsurface environments.
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Lead-free, safe material: PVC formulation ensures corrosion resistance and suitability for drainage applications without harmful contaminants.
Practical use cases
- Connecting two 6" sewer lines to a 4" main in basements, crawl spaces, or yard drainage corridors where a clean, low-profile fit is essential.
- Creating a simple, reliable branch in underground systems where multiple 6" inlets must converge into a single line toward the main sewer line.
- Replacing older, brittle fittings with a durable Schedule 35 PVC option that resists impact and soil conditions typical of buried installations.
Quick installation guidance (aligned with typical PVC practices)
- Clean all hub surfaces and apply a compatible PVC cement designed for PVC sewer applications.
- Dry-fit to verify alignment, then solvent-weld each hub connection for a secure, leak-free joint.
- Ensure the installed orientation maintains gravity flow toward the 4" outlet to minimize standing water or backups.
Designed for professionals and capable DIY installers working on underground drainage projects, this NDS Schedule 35 6 in. Hub Reducing Wye delivers a precise, dependable connection that respects the layout of larger 6" runs while gracefully merging into a 4" line. Its combination of lead-free PVC, underground rating, and code-affirming certifications makes it a thoughtful, long-lasting choice for sewer pipe systems.
