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The MUELLER STREAMLINE ABSDBLY112 is a 1-1/2 inch ABS DWV double wye fitting configured at a 45-degree angle with hub-by-hub-by-hub connections. Molded from ABS plastic, this fitting is designed for drain, waste, and vent (DWV) piping systems where two branch lines must be combined into a single run at a 45-degree offset. The double wye configuration allows for smooth, low-turbulence flow transitions, reducing the risk of blockage at the junction point. Licensed plumbers and pipefitters install this type of fitting during rough-in work on residential and light commercial drain systems.
This fitting is suited for residential and light commercial DWV applications where 1-1/2 inch ABS pipe is specified. Typical uses include bathroom drain rough-ins, laundry drain stacks, and any configuration requiring a dual-branch junction within a gravity-flow waste system. The hub connections accept standard 1-1/2 inch ABS pipe for solvent-weld assembly. It is appropriate for below-slab, in-wall, and above-floor DWV installations where the system is not under pressure.
Designed as an OEM-style replacement and new-installation fitting for 1-1/2 inch ABS DWV piping systems using solvent-weld hub connections.
Installation should be performed by a licensed plumber in accordance with the International Plumbing Code (IPC) or applicable local code. Shut off water supply and ensure the drain system is clear before cutting into an existing line. Use only ABS-rated solvent cement and primer as specified by the cement manufacturer and local code. Do not use this fitting in pressurized water supply lines.
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