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The ADVANCED DRAINAGE SYSTEMS 612 AA is a 6-inch snap coupling designed for use with single-wall corrugated HDPE drainage pipe. This fitting creates a fast, tool-free mechanical connection between two sections of corrugated pipe, maintaining alignment and flow continuity within the drainage run. The snap-fit design locks onto the corrugated profile of the pipe without requiring adhesives, clamps, or additional hardware. It is typically installed by plumbers, site contractors, and drainage specialists working on stormwater and subsurface drainage systems.
This coupling is suited for residential and light commercial drainage applications where single-wall corrugated HDPE pipe is the specified material. Common install scenarios include yard drainage, foundation drainage, culvert connections, and roadside or parking lot runoff management. The 6-inch diameter fits standard single-wall corrugated pipe of that size, making it a direct field replacement or repair fitting when a coupling is needed mid-run.
Designed as an OEM-style replacement coupling for 6-inch single-wall corrugated HDPE drainage pipe systems.
This fitting is typically installed by licensed plumbers or drainage contractors during stormwater or subsurface drainage work. Ensure both pipe ends are clean and free of debris before snapping the coupling into place over the corrugated profiles. No power tools are required, but confirm full seating of both pipe ends within the coupling before backfilling. Follow local building and drainage codes for burial depth and bedding requirements.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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