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The MUELLER STREAMLINE DWVADCMIP2 is a 2-inch cast DWV adapter fitting designed to transition between a copper sweat (C) connection and a male iron pipe (M) thread in drain, waste, and vent piping systems. This fitting allows plumbers to connect copper DWV tubing to threaded iron pipe fittings in a single transition joint. It is a standard component in residential and light commercial DWV rough-in work where mixed-material connections are required. Licensed plumbers and pipefitters install this type of adapter during new construction and renovation projects.
This adapter is suited for drain, waste, and vent applications in residential and commercial plumbing systems. It is used wherever a copper sweat-end pipe must transition to a male threaded iron pipe fitting, such as at cleanouts, trap arms, or vent terminations. The cast construction provides the dimensional stability and thread integrity needed for reliable threaded joints in DWV service. No pressure rating applies in standard DWV applications, as these systems operate at atmospheric or low-pressure conditions.
Designed as an OEM-style replacement and standard-use fitting for 2-inch copper DWV piping systems requiring a transition to male iron pipe thread connections.
Installation should be performed by a licensed plumber in accordance with the International Plumbing Code or applicable local codes. Shut off water supply and verify the DWV system is depressurized before beginning work. The copper sweat end requires proper flux application and soldering with lead-free solder per code requirements. Thread the male iron pipe end into the mating female fitting using an appropriate pipe thread sealant or PTFE tape rated for DWV service.
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