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The NDS 9P10 is a PVC offset adapter that takes a 4x6-inch rectangular downspout and steps it out to a 6-inch round sewer-and-drain hub. The offset lets the downspout hug the wall while the pipe run continues below grade or out from the foundation. It is solvent-weld on the round end and rated for non-pressurized drainage only, with a 5 PSI maximum working pressure. It fits SDR-35, SDR-26, triple-wall and ASTM D-2729 pipe, but not DWV Schedule 40.
Availability unknown
Lowest price we've seen: $39.55 on Nov 3 at Sprinkler Supply Store. Tracked across 1 store since Nov 3.
The NDS 9P10 is an offset downspout adapter. It connects a 4" x 6" rectangular downspout to a 6" sewer-and-drain (S&D) hub, so the downspout can sit close to a building wall while joining standard round drainage pipe.
It is made of polyvinyl chloride (PVC) formulated for outdoor drainage use and UV resistance. The connection is solvent-welded, which makes a permanent joint. It suits below-grade or wall-exit installations.
The adapter is designed for SDR-35, SDR-26, Triple Wall and ASTM D-2729 pipe. It is intended for non-pressurized drainage systems, with a maximum working pressure of 5 PSI. It is not compatible with DWV Schedule 40 (ASTM D2665) pipe.
