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The ADVANCED DRAINAGE SYSTEMS 0390AA is a 3-inch 90 degree drainage elbow used to redirect flow in drain, waste, and vent piping systems. This fitting changes pipe direction by 90 degrees and is sized for 3-inch pipe connections. It is a standard component in residential and light commercial drainage installations. Plumbers and pipefitters use this elbow during rough-in work to route drain lines around framing, footings, or other obstructions. The fitting ships individually and is also available in case quantities of 12 units per package.
This elbow is suited for below-grade and above-grade drainage applications where a full 90-degree change of direction is required. Common installation scenarios include connecting vertical stack lines to horizontal drain runs, routing drain lines through floor or wall assemblies, and completing underground drainage rough-ins. It is appropriate for residential plumbing systems as well as light commercial drainage configurations handled by licensed plumbing contractors.
Designed as an OEM-style replacement or new-installation fitting for 3-inch drain, waste, and vent piping systems.
Installation should be performed by a licensed plumber in accordance with applicable local plumbing codes and the International Plumbing Code (IPC). Shut off water supply and verify the drain line is clear before beginning any fitting work. Solvent-weld or mechanical joining methods should match the pipe material and system specifications on the job. Inspect the fitting for cracks or deformation before installation.
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