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The BMI USA 4240 is a lead-free brass threaded nipple designed for use in potable water and general plumbing supply lines. Machined from brass stock, it features male pipe threads on both ends and measures 1/4 inch in diameter by 4 inches in length. At 0.14 pounds, it is a compact fitting intended for connecting valves, faucets, and other threaded components within residential and light commercial plumbing systems. Licensed plumbers and journeyman installers rely on fittings like this for short-run extensions and transitions between threaded components.
This nipple is suited for residential and commercial plumbing installations where a short threaded extension is required between two female-threaded fittings or valves. Its lead-free brass construction meets safe drinking water requirements, making it appropriate for use in potable water supply systems. Typical applications include water distribution lines, fixture supply connections, and utility plumbing assemblies.
Designed as an OEM-style replacement and standard-use fitting compatible with 1/4 inch female NPT threaded ports on valves, faucets, and plumbing assemblies in residential and light commercial systems.
Installation should be performed by a licensed plumber in accordance with applicable local plumbing codes and IPC guidelines. Shut off the water supply and relieve system pressure before removing or installing any threaded fitting. Apply an approved thread sealant or PTFE tape to the male threads before tightening to prevent leaks. Do not over-tighten, as brass fittings can crack under excessive torque.
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