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The BMI USA 4002 is a lead-free brass nipple designed for use in threaded piping assemblies across residential and commercial plumbing systems. Measuring 2.5 inches in diameter and 3 inches in length, this nipple connects male-threaded pipe sections and fittings in water supply, distribution, and general plumbing applications. Constructed from solid brass with a red finish, it provides reliable performance where lead-free compliance is required by code. Licensed plumbers and pipefitters are the primary installers of this type of fitting.
This nipple is suited for water supply lines and threaded piping systems where lead-free brass fittings are specified. The 2.5 x 3 inch configuration fills short-run connection needs between valves, couplings, and other threaded components. It is commonly used in new construction and retrofit plumbing work where code compliance and material durability are both priorities.
Designed as a standard-thread replacement or new-installation nipple for residential and commercial threaded brass plumbing assemblies. Also listed under BMI Canada part number 04002.
Installation should be performed by a licensed plumber in accordance with applicable local plumbing codes and the IPC. Shut off the water supply and depressurize the line before threading or removing any fittings. Apply thread sealant tape or pipe compound to male threads before assembly. Do not overtighten, as brass threads can be damaged by excessive torque.
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