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NDS 3 in HDPE Corrugated Adapter Spigot x Hub (351)

Brand: Sprinkler Supply Store
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$18.10
$13.57
SKU NDS351
In Stock (46)

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The NDS 3 in HDPE Corrugated Adapter (351) provides a secure, low-profile transition between 3 in single-wall corrugated pipe and standard 3 in sewer & drain (S&D) pipe or fittings. Built from durable high-density polyethylene, this adapter is made for long-lasting, non-pressurized underground drainage applications.

  • Durable HDPE construction: Resists corrosion, soil chemicals and typical underground stresses for dependable performance.
  • Positive lock: Internal tabs lock single-wall corrugated pipe into place to reduce movement and help maintain a reliable connection.
  • Direct transition: Connects 3 in single-wall corrugated pipe to 3 in S&D pipe or fittings for quick system tie-ins.
  • Standards & compatibility: Meets applicable ASTM requirements for drainage fittings; not compatible with DWV Schedule 40 pipe.
  • Non-pressurized use: Designed for underground stormwater and French drain systems; maximum working pressure 5 psi.

Ideal for landscape drainage, French drains, yard and foundation drains, and other stormwater management projects, the NDS 351 adapter speeds installations and reduces field adjustments. Refer to manufacturer installation instructions and local codes for final connection and compliance requirements.

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Frequently Asked Questions

What material is this adapter made from?
The adapter is molded from high-density polyethylene (HDPE) for corrosion and chemical resistance.
Will this fit Schedule 40 DWV pipe?
No. This corrugated adapter is not compatible with DWV Schedule 40 pipe; use it with 3 in S&D fittings only.
What pipe types and sizes does it connect?
It connects 3 in single-wall corrugated pipe to 3 in sewer & drain (S&D) pipe or fittings.
Is this suitable for pressurized systems?
No. It is intended for non-pressurized underground drainage applications with a maximum working pressure of 5 psi.
How does the adapter secure the corrugated pipe?
Internal tabs lock the corrugated pipe into the spigot, reducing movement and helping ensure a secure connection.