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The NIBCO PRES45L34 is a 3/4 inch copper press 45 degree elbow designed for press-fit piping systems in plumbing and hydronic heating applications. It connects two sections of 3/4 inch copper tubing at a 45 degree angle without soldering or open flame, using a press-jaw tool to create a watertight, permanent joint. Licensed plumbers and pipefitters install this fitting in both new construction and retrofit work where flame-free connections are required or preferred.
This fitting is suited for residential and light commercial plumbing, hydronic heating, and potable water distribution systems. Press-fit copper fittings are commonly installed in occupied buildings, tight spaces, and wet environments where torch work presents a fire hazard or code restriction. The 45 degree elbow allows directional changes in the piping layout where a standard 90 degree turn is not needed.
Designed as an OEM-style press-fit replacement fitting for 3/4 inch copper tubing in residential and commercial plumbing and hydronic systems.
Installation requires a calibrated press-jaw tool compatible with copper press fittings. Shut off and drain the water supply before cutting into an existing line. Tubing ends must be cut square, deburred, and cleaned before insertion into the fitting. Follow local plumbing codes, including IPC guidelines, for press-fit copper fitting installation requirements.
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