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The MERIT BRASS 2106-200 is a red brass pipe nipple threaded on both ends, designed for use in low-pressure fluid and gas piping systems. At 2 inches overall length with 3/8-inch NPT threads, this close-pattern nipple provides a compact, leak-resistant connection between fittings, valves, or equipment ports. The red brass construction resists corrosion in potable water, steam, and fuel gas service. It meets OSHA standards and is a standard workhorse fitting installed by licensed plumbers and pipefitters in commercial and residential applications alike.
This nipple is suited for residential plumbing, light commercial piping, HVAC hydronic systems, compressed air, and fuel gas distribution where 3/8-inch NPT connections are required. Its short 2-inch length makes it appropriate for tight-clearance installations where a longer nipple would not fit. The threading runs the full length on both ends, allowing maximum engagement with female-threaded fittings and valves.
Designed as an OEM-style replacement or new-installation component for any piping system using 3/8-inch NPT female-threaded fittings, valves, or equipment ports.
Installation is performed by a licensed plumber or pipefitter following applicable IPC and IFGC requirements for the service type. Shut off and depressurize the system before removing or installing any threaded fitting. Apply an appropriate thread sealant or PTFE tape to the male threads before assembly and tighten to snug with a pipe wrench — do not overtighten brass threads, as the material is softer than iron and prone to galling or cracking under excessive torque. Pressure-test the system after installation and confirm there are no leaks before returning it to service.
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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