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The SUNBELT MARKETING press-pf03505 is a 3/4-inch ProPress-style copper-to-PEX adapter designed for use in press-fit plumbing systems. This fitting connects copper pipe to PEX tubing without soldering, making it a practical choice for retrofit and new-construction plumbing work. Plumbers and pipefitters use this adapter where a transition between copper and PEX is required, such as at fixture supply lines, manifold connections, or branch takeoffs. The press-fit design reduces torch work and speeds up installation in occupied spaces or tight areas.
This adapter is suited for residential and light commercial plumbing applications where copper and PEX systems intersect. It is commonly installed at water heater connections, under-sink supply runs, and in-wall rough-in work where transitioning between pipe materials is necessary. The 3/4-inch size fits standard 3/4-inch copper and PEX tubing used throughout residential water distribution systems.
Designed as an OEM-style replacement and new-installation fitting for 3/4-inch copper-to-PEX press-fit plumbing assemblies in residential water supply systems.
Installation should be performed by a licensed plumber in accordance with local plumbing codes and IPC guidelines. Shut off the water supply and depressurize the line before installing any press-fit fitting. A manufacturer-compatible press tool with the correct jaw size is required to achieve a proper crimp; do not attempt to use the fitting without the appropriate press tool. Inspect the pipe ends for burrs or deformation before pressing to ensure a leak-free connection.
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