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The BMI USA 6405 is a 3/4-inch lead-free brass threaded tee fitting designed for use in potable water and general plumbing systems. This three-way fitting splits or combines flow at a 90-degree branch off a main run, making it a standard component in residential and light commercial pipe installations. Constructed from solid brass, it meets lead-free requirements applicable to drinking water systems. Licensed plumbers and pipefitters select this type of fitting for its reliable thread engagement and corrosion resistance in wet service environments.
The 6405 is suited for residential and commercial plumbing installations where a threaded tee connection is required on 3/4-inch pipe runs. Typical applications include water supply distribution, branch line connections, and retrofit work on existing threaded systems. The lead-free construction makes it appropriate for potable water service where applicable codes prohibit fittings with elevated lead content.
Designed as an OEM-style replacement or new-install threaded tee fitting for 3/4-inch NPT plumbing systems in residential and light commercial applications.
Installation should be performed by a licensed plumber in accordance with local plumbing codes and the International Plumbing Code (IPC). Shut off the water supply and relieve system pressure before removing or installing any threaded fitting. Apply an appropriate thread sealant or PTFE tape to all male threads before assembly. Do not overtighten threaded connections, as this can crack the fitting body or damage mating threads.
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