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The MUELLER STREAMLINE 2927 is an ABS DWV adapter designed to transition between hub and male NPT (MNPT) pipe connections in drain, waste, and vent systems. Sized at 3 inches nominal, this fitting allows plumbers to connect ABS hub-end pipe to threaded male fittings without additional adapters. It is domestically manufactured and built to meet the demands of residential and light commercial drain, waste, and vent installations. The hub x MNPT end style simplifies transitions between piping segments, making it a practical choice for rough-in plumbing work.
This adapter is used in residential and light commercial DWV systems where ABS pipe meets a threaded male connection point. Typical applications include drain line transitions, fixture rough-ins, and vent stack connections. It is installed by licensed plumbers working on new construction or remodel projects where the piping system requires a hub-to-threaded transition at the 3-inch nominal pipe size.
Designed as an OEM-style replacement and standard-fit fitting for 3 inch nominal ABS DWV piping systems using hub and male NPT connections.
Installation should be performed by a licensed plumber in accordance with applicable plumbing codes, including the IPC or local adopted code. Shut off water supply and ensure the drain system is depressurized before beginning work. ABS hub connections are typically solvent-welded using ABS cement following the manufacturer and code instructions. Threaded MNPT connections should be sealed with an appropriate thread sealant rated for drain applications.
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