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The NIBCO PRES45L12 is a 1/2 inch copper press-fit 45 degree elbow designed for use in pressurized plumbing systems. It connects two press-fit pipe ends at a 45 degree angle, allowing directional changes in copper pipe runs without soldering or open flame. The press-fit connection system uses a pre-installed EPDM seal that is compressed with a standard press tool, creating a reliable, leak-tight joint. This fitting is suited for potable water, hydronic heating, and similar closed-loop systems. Licensed plumbers and pipefitters are the primary installers for this type of fitting.
The PRES45L12 is used in residential and light commercial plumbing and mechanical systems where 1/2 inch copper pipe is run and a 45 degree change of direction is required. Press-fit fittings are commonly chosen in retrofit and new construction applications where torch-free installation is preferred, such as in occupied buildings, tight spaces, or areas where open flame is restricted. This fitting accepts standard 1/2 inch copper tubing on both ends.
Designed as an OEM-style press-fit replacement fitting for 1/2 inch copper pipe systems using press-style connections.
Installation should be performed by a licensed plumber in accordance with applicable local plumbing codes and the IPC. Shut off water supply and depressurize the line before fitting installation. A calibrated press tool with the correct jaw size for 1/2 inch press fittings is required to form the connection. Do not attempt to press a fitting that already has flow passing through it, as an incomplete press will result in a failed joint.
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