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The MUELLER STREAMLINE ABSSANT2112 is an ABS DWV sanitary tee fitting designed for drain, waste, and vent piping systems in residential and light commercial construction. It features a hub x hub x hub connection on all three ports and a flowing sweep interior that guides waste and used fluids smoothly toward the drain line, reducing buildup and blockage risk. Rated for service temperatures from -40 degrees F to 180 degrees F, this fitting is manufactured from acrylonitrile butadiene styrene (ABS) plastic. It meets ASTM D2665, ASTM D3965, ASTM D2661, and ASTM D3311 standards, carries UL Listed 94V-0 recognition, and is NSF/ANSI Standard 14 and NSF U.P. Certified. Licensed plumbers install this fitting during rough-in of DWV systems.
This fitting is suited for 2-inch by 2-inch by 1-1/2-inch ABS DWV applications where a branch takeoff is needed in a horizontal or vertical drain run. Typical installations include bathroom drain assemblies, laundry drain stacks, and kitchen drain rough-ins where a reduced-size branch inlet is required. The hub connection style accepts standard ABS pipe solvent-welded in place. This is a domestic-made product in the 5811-R series.
Designed as an OEM-style DWV replacement or new-installation fitting for 2-inch x 2-inch x 1-1/2-inch ABS drain, waste, and vent piping systems using hub-connection ABS pipe.
Installation should be performed by a licensed plumber in accordance with applicable local plumbing codes and the International Plumbing Code (IPC). Solvent-cement both pipe ends and fitting hubs using ABS-rated cement; follow cement manufacturer's cure time before flowing water. Do not test or use this fitting with compressed air or other gases. Ensure proper slope and support of horizontal drain runs per code requirements.
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