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The BMI USA 6104 is a 1/2 inch lead-free brass union fitting designed for threaded pipe connections in plumbing and mechanical systems. This union allows technicians to disconnect and reconnect sections of pipe without rotating the pipe itself, making service and replacement work faster and cleaner. Constructed from lead-free brass, it meets modern potable water requirements and holds up well in both hot and cold water applications. Licensed plumbers and pipefitters are the primary installers for this type of fitting in residential and light commercial settings.
This union fitting is suited for 1/2 inch threaded pipe runs in residential and light commercial plumbing systems, including domestic water supply lines, mechanical room piping, and service connections where future disconnection may be required. Its threaded design makes it compatible with standard NPT pipe systems, and the lead-free brass construction makes it appropriate for use on potable water lines where local codes require lead-free materials.
Designed as an OEM-style replacement or new-installation union fitting for 1/2 inch NPT threaded plumbing systems in residential and light commercial applications.
Installation should be performed by a licensed plumber in accordance with applicable local plumbing codes and the IPC. Shut off the water supply and relieve system pressure before beginning work. Use appropriate thread sealant or PTFE tape on all threaded connections. Do not overtighten, as brass fittings can crack under excessive torque.
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