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The MERIT BRASS 2104-150 is a red brass pipe nipple designed for threaded pipe assemblies in plumbing, HVAC, and industrial fluid-handling systems. Threaded on both ends with 1/4 inch NPT threads and a 1-1/2 inch overall length, this close-pattern nipple connects two female-threaded fittings or serves as a short extension between threaded components. Red brass construction provides reliable corrosion resistance in water, steam, and fuel-gas service. The 1/4 inch outside diameter profile suits tight-clearance installations where full-size fittings will not fit. Licensed plumbers and pipefitters are the primary installers in both residential and light commercial applications.
This nipple is suited for water supply lines, compressed air distribution, fuel-gas branch connections, and other fluid-handling assemblies that require a short, fully threaded male-to-male connector. Its compact 1-1/2 inch overall length makes it a practical choice for close-coupled manifold work, equipment stub-outs, and service valves in confined spaces. The NPT thread form is the standard for North American pipe systems, ensuring broad compatibility with standard brass, bronze, and iron fittings.
Designed for use with standard 1/4 inch NPT female-threaded fittings, valves, and equipment ports in residential and commercial plumbing, HVAC, and fluid-handling systems.
Installation should be performed by a licensed plumber or pipefitter in accordance with applicable local codes and the International Plumbing Code. Shut off and depressurize the supply line before removing or installing any threaded pipe component. Apply an appropriate thread sealant or PTFE tape to the NPT threads before assembly. Do not over-torque; red brass threads can be damaged by excessive wrench force.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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