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The SharkBite U3016FLEX18LF is a lead-free flexible coupling hose designed for residential and commercial plumbing installations. Measuring 3/4 inch by 3/4 inch with an 18-inch length, this hose connects pipe runs in virtually any combination without requiring additional transition fittings. The connectors are constructed from EPDM knitted with braided stainless steel, delivering corrosion resistance and long-term durability under normal service conditions. Licensed plumbers and pipefitters install this hose where rigid connections are impractical or where vibration isolation is needed between pipe segments.
This flexible coupling hose is suited for both residential and light commercial plumbing systems. Its push-to-connect SharkBite-style ends allow direct connection to copper, PEX, and CPVC tubing, eliminating the need for a separate transition fitting at each end. This makes it a practical choice for water heater connections, appliance hookups, and tight-access pipe runs where a straight rigid fitting cannot be used. The lead-free construction meets drinking-water safety requirements for potable water applications.
Designed for use with 3/4 inch copper, PEX, and CPVC tubing in residential and commercial plumbing systems. No additional transition fitting is required when connecting between these pipe materials.
Installation should be performed by a licensed plumber in accordance with applicable local plumbing codes and the International Plumbing Code (IPC). Shut off the water supply and relieve system pressure before making or breaking any connections. Ensure tubing ends are cut square, deburred, and fully inserted to the depth mark before engaging the fitting. Do not exceed the rated working pressure or bend radius of the hose during installation.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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