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The NDL INDUSTRIES w2723 is a long-radius 90-degree copper sweat elbow designed for supply and pressurized plumbing systems. It connects 5/8-inch and 1/2-inch copper tubing using solder-joint (sweat) connections on both ends. Rated to 1000 psi maximum working pressure, this fitting is built from copper and manufactured domestically in the United States. The long-radius bend reduces flow turbulence compared to standard-radius elbows, making it a practical choice for lines where pressure drop and flow efficiency matter. Licensed plumbers and pipefitters install this fitting as part of rough-in and service work in residential and light commercial applications.
This elbow is suited for supply and pressurized copper piping systems in residential and commercial construction and service work. The sweat end connections on both ends require standard solder and flux for installation. It is used wherever a directional change from 5/8-inch to 1/2-inch copper tubing is needed, including domestic water supply lines and similar pressurized systems.
Designed as an OEM-style replacement and standard fitting for copper sweat-joint pressurized plumbing systems requiring a long-radius 90-degree elbow at a 5/8-inch to 1/2-inch transition.
Installation is performed by a licensed plumber or pipefitter using standard soldering tools including a torch, solder, and flux rated for potable water systems where applicable. Shut off and depressurize the supply line and allow all water to drain from the pipe before cutting and fitting. Clean all mating surfaces with emery cloth and apply flux evenly before soldering. Follow local plumbing codes, including IPC requirements, for fitting selection and joint preparation in pressurized systems.
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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