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The ADVANCED DRAINAGE SYSTEMS 626 AA is a 6-inch single-wall corrugated HDPE snap tee designed for stormwater and drainage applications. This fitting connects branch lines to main drainage runs using a tool-free snap-fit installation method, eliminating the need for adhesives or clamps at the tee junction. Fabricated from high-density polyethylene, the 626 AA resists corrosion, soil chemicals, and UV degradation in typical buried drainage conditions. Licensed plumbers, drainage contractors, and site utilities crews install this fitting in residential and light commercial drain systems.
The 626 AA is sized for 6-inch single-wall corrugated pipe and is suited for subsurface stormwater management, yard drainage, french drain systems, and perimeter foundation drainage. The snap-tee design allows branch connections to be made directly into an existing corrugated pipe run without cutting specialty saddle joints. It is commonly used in residential grading and drainage projects as well as commercial site drainage layouts where single-wall corrugated HDPE is the specified pipe material.
Designed as an OEM-style fitting for 6-inch single-wall corrugated HDPE drainage pipe systems used in residential and light commercial stormwater and subsurface drainage applications.
Installation is typically performed by licensed plumbers or drainage contractors in accordance with local plumbing and site drainage codes. Verify that the existing pipe run is clear of flow and that the trench is dewatered before making the branch connection. Snap the tee fitting firmly onto the corrugated pipe valley to ensure a secure seat. Backfill around fittings per local code requirements to prevent joint displacement under load.
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