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The NIBCO PRES90L3 is a 3-inch copper press-fit 90-degree elbow designed for use in pressurized plumbing and hydronic systems. It uses a press-fit connection method, eliminating the need for open-flame soldering on the job site. The elbow is constructed from copper, making it suitable for potable water, heating, and cooling piping applications. Licensed plumbers and pipefitters install this fitting as part of new construction or retrofit work where press technology is specified for speed and safety.
This fitting is suited for residential and commercial plumbing installations where a 90-degree directional change is required in a 3-inch copper line. Press-fit fittings are commonly used in occupied buildings, mechanical rooms, and tight spaces where torch work poses a fire risk or is restricted by code. The PRES90L3 is installed using a compatible press tool and jaw set sized for 3-inch copper press connections.
Designed as an OEM-style press-fit replacement fitting for 3-inch copper press piping systems where a 90-degree elbow connection is required.
Installation requires a calibrated press tool with a jaw set rated for 3-inch copper press fittings. Shut off and depressurize the water or hydronic system before cutting into the line. Verify pipe ends are clean, deburred, and fully inserted to the depth mark before pressing. Follow local plumbing codes and the fitting manufacturer's installation instructions for inspection and pressure testing requirements.
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