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The MUELLER INDUSTRIES 2877 is a 2-inch ABS DWV 90-degree elbow fitting designed for solvent-weld installation in residential and commercial drain, waste, and vent piping systems. Molded from acrylonitrile butadiene styrene (ABS), this hub-by-hub elbow creates a right-angle directional change in 2-inch nominal DWV pipe runs. The fitting measures 4.5 inches in length, 4.5 inches in height, and 2.75 inches in width, and weighs 0.24 pounds. ABS construction delivers strong impact resistance and chemical compatibility appropriate for gravity-flow, non-pressurized DWV applications. Plumbers and pipefitters install this fitting during rough-in work on drain stacks and horizontal branch lines.
This elbow is suited for 2-inch nominal DWV piping in residential drain systems, commercial restroom rough-ins, and multi-story waste stacks. It handles directional changes in both horizontal runs and vertical-to-horizontal transitions, making it a standard component in sanitary drain and vent installations. The hub-by-hub end configuration accepts standard 2-inch ABS pipe on both sides and bonds securely with ABS solvent cement, eliminating the need for threaded connections or mechanical couplings in compatible piping layouts.
Designed as an OEM-style replacement and standard fitting for 2-inch nominal ABS DWV piping systems in residential and light commercial drain, waste, and vent applications.
Installation is performed by a licensed plumber in accordance with applicable plumbing codes such as the IPC or local adopted code. Shut off all water supply and verify the drain line is clear before beginning any fitting work. Clean and dry both the pipe end and hub socket before applying ABS solvent cement; follow cement manufacturer cure times before restoring flow. Do not use this fitting on pressurized supply lines or in applications outside gravity-flow DWV service.
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