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The BMI USA 4230 is a lead-free brass threaded nipple designed for use in plumbing and piping systems where safe, code-compliant water contact is required. Measuring 1/4 inch in diameter and 3 inches in length, this nipple connects threaded pipe sections and fittings in both supply and distribution lines. Constructed from brass with a red finish, it provides reliable performance in residential and light commercial installations. Licensed plumbers and experienced pipefitters install this type of fitting as part of standard threaded assembly work on water supply systems.
This nipple is suited for residential and light commercial plumbing applications where a short, threaded brass connector is needed between two pipe fittings or valves. Its lead-free construction makes it appropriate for potable water systems in jurisdictions that require compliance with lead-free standards. It is well-suited for use in tight spaces where a close or short nipple would otherwise be used but a 3-inch run is specified.
Designed as an OEM-style replacement or direct-install brass nipple for standard 1/4-inch threaded plumbing systems in residential and light commercial applications.
This fitting is installed by a licensed plumber using pipe wrenches or strap wrenches rated for brass fittings. Shut off the water supply and relieve system pressure before removing or installing any threaded fitting. Apply thread sealant tape or pipe dope to the male threads before assembly, and tighten to a snug fit without over-torquing, which can crack brass fittings. Local plumbing codes, including IPC guidelines, govern fitting material and lead-free requirements for potable water lines.
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