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The VIEGA 22313 is a copper press-style pipe tee designed for joining copper piping in pressurized plumbing and mechanical systems. The fitting measures 3 x 3 x 1-1/4 inches nominal, with press end connections on all three outlets. Press fittings eliminate the need for open flame, flux, or solder, making them faster and safer to install than traditional sweat fittings. This tee is used by licensed plumbers and pipefitters working on commercial and residential hydronic, domestic water, and mechanical piping systems. The press end style requires a compatible press tool and jaws sized for the fitting diameter.
The VIEGA 22313 fits standard copper tube in the 3-inch and 1-1/4-inch nominal sizes, making it suited for main-line branch connections where a reduced branch takeoff is needed. Typical applications include domestic hot and cold water distribution, hydronic heating and cooling piping, and general mechanical piping in commercial buildings. The press connection method is widely specified in commercial construction where flame-free installation is required by code or site safety policy.
Designed as an OEM-style press fitting for use with standard copper tube in 3-inch and 1-1/4-inch nominal sizes in pressurized plumbing and mechanical piping systems.
Installation should be performed by a licensed plumber or pipefitter in accordance with local plumbing codes and ASME B16.18 or applicable standards. Shut off and depressurize the system and ensure pipe ends are clean, deburred, and properly marked before pressing. A compatible press tool with correct jaw sizes for 3-inch and 1-1/4-inch fittings is required — do not attempt to press fittings with an undersized or incompatible tool. Inspect each connection for a complete press indication before restoring system pressure.
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