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The MUELLER STREAMLINE COADCMIP4 is a 4-inch copper male adapter configured with a sweat (C) connection on one end and a male iron pipe (MIP) threaded connection on the other. This fitting transitions a copper sweat line to a male NPT threaded joint, allowing a plumber to connect copper tubing directly to threaded pipe fittings, valves, or equipment ports. It is constructed from copper, making it suitable for potable water, hydronic heating, and general plumbing distribution systems found in both residential and light commercial construction.
This adapter is used wherever a copper sweat run must terminate at or join to a threaded male connection. Typical applications include connecting copper supply lines to threaded brass valves, water heaters, boiler connections, and threaded manifolds. The C x MIP configuration is a standard transition fitting commonly installed by licensed plumbers during rough-in and finish plumbing work on water supply systems.
Designed as an OEM-style transition fitting for 4-inch copper sweat plumbing systems requiring a male NPT threaded outlet connection.
Installation is performed by a licensed plumber. Shut off the water supply and depressurize the line before beginning work. The sweat end requires proper cleaning, flux application, and soldering per ASTM and applicable plumbing code standards. The MIP threads should be wrapped with PTFE tape or pipe thread sealant before assembly to ensure a leak-free threaded joint.
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