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The NIBCO INC W01440D is a 3/8-inch copper 90-degree elbow fitting designed to change pipeline direction in copper tubing systems. Conforming to the C607 standard, this fitting features solder cups and a close rough radius, making it suitable for sweat-soldering connections in tight or confined spaces. It is lead-free, meeting current plumbing code requirements for potable water applications. Licensed plumbers and pipefitters install this type of fitting in residential and light commercial supply lines, drain configurations, and hydronic systems where a precise 90-degree directional change is required.
This elbow is used in copper-to-copper (CxC) sweat joint installations across residential and commercial plumbing projects. Typical applications include domestic hot and cold water supply runs, in-wall rough-in work, and any system using 3/8-inch copper tubing where a 90-degree turn is needed. Its compact close rough radius profile makes it a practical choice when working in framed walls or alongside other fittings in congested areas.
Designed as an OEM-style replacement and standard fitting for 3/8-inch CxC copper sweat-solder plumbing systems in residential and light commercial applications.
Installation is performed by a licensed plumber using standard copper sweat-soldering tools including a torch, flux, and lead-free solder. Shut off and drain the water supply before cutting into any existing line. Clean and deburr tubing ends, apply flux to both the tube and solder cups, and follow local plumbing codes such as IPC guidelines for joint preparation and material requirements. Allow joints to cool fully before restoring system pressure.
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