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The UPONOR Q2247557 is a 3/4-inch flow-through tee designed for use with ProPEX expansion connections in potable water systems. Constructed from polysulfone, this fitting is rated for domestic (drinking water) applications and provides a straight-run outlet configuration that keeps water moving efficiently through the main line while allowing a branch takeoff. Licensed plumbers install this fitting as part of Uponor's PEX-a piping system, where the ProPEX method uses an expansion tool and PEX ring to create a reliable, leak-resistant joint.
This tee is suited for residential and light commercial plumbing installations where PEX-a tubing is the distribution pipe of choice. It is used in hot and cold domestic water distribution systems, including manifold-based home run layouts and trunk-and-branch configurations. The flow-through design minimizes pressure drop across the fitting, making it appropriate for high-demand supply lines. Install crews working with Uponor PEX-a systems will recognize this as a standard branch fitting in potable water roughed-in work.
Designed for use with Uponor ProPEX PEX-a tubing systems in 3/4-inch domestic water applications.
Installation requires a calibrated ProPEX expansion tool and correctly sized PEX rings; consult the Uponor installation guide for proper expansion and insertion procedures. Shut off the water supply and depressurize the line before cutting into any existing piping. This fitting is intended for plumbers familiar with PEX-a expansion technique, as improper expansion can result in incomplete sealing. All potable water installations must comply with applicable local plumbing codes and IPC requirements.
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