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The BMI USA 6411 is a lead-free brass threaded tee fitting designed for use in potable water, plumbing distribution, and general-purpose piping systems. At 3 inches, this tee provides a reliable branch connection in main supply lines where flow must be split or redirected. Constructed from solid brass, the fitting delivers corrosion resistance and long service life in both hot and cold water applications. Its threaded end connections allow for straightforward field assembly without special tooling. Licensed plumbers and pipefitters are the primary installers for a fitting of this size and type.
This fitting is suited for residential and light commercial plumbing installations where a 3-inch branch connection is required in a threaded piping system. Common applications include water distribution mains, mechanical room piping, and supply manifold configurations. The lead-free construction meets requirements for use in potable water systems under applicable plumbing codes. Its robust brass body handles the pressures and temperatures typical of building water service applications.
Designed as an OEM-style replacement or new-installation threaded brass tee for 3-inch threaded piping systems in potable water and general plumbing applications.
Installation of a 3-inch threaded brass tee should be performed by a licensed plumber in accordance with the applicable International Plumbing Code (IPC) or local plumbing authority requirements. Shut off and depressurize the water supply completely before disassembling any existing piping. Use appropriate thread sealant or PTFE tape on all threaded connections and tighten to hand-tight plus the number of turns recommended by the sealant manufacturer. Do not over-torque brass fittings, as this can crack or distort the fitting body.
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