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The SHARKBITE UC526LFA is a brass PEX swivel adapter designed to connect PEX tubing to a female pipe thread (FPT) connection using a barb-style fitting configuration. The adapter features a 1/2 inch CrimpFit (CF) barb end and a 1/2 inch FPT swivel end, allowing a secure, leak-resistant joint between flexible PEX tubing and threaded plumbing components. The brass construction provides durability in both pressurized potable water and hydronic heating systems. Licensed plumbers and pipefitters install this fitting as part of PEX distribution rough-in work, remodel connections, or hydronic loop assemblies. It meets NSF/ANSI 61 and NSF 372 standards for safe use in drinking water systems.
This adapter is suited for residential and light commercial plumbing applications involving PEX tubing transitions to threaded pipe fittings. It works in potable water distribution systems and closed-loop hydronic heating systems. The barb end is compatible with both stainless steel clamp ring systems and copper crimp ring systems, with clamps and rings sold separately. It is rated to ASTM F1807 and carries NSF/ANSI 61 and NSF 372 certifications, making it appropriate for installation in drinking water supply lines.
Designed for use with 1/2 inch PEX tubing in stainless steel clamp ring or copper crimp ring installation systems. Suitable for potable water distribution and hydronic heating applications per ASTM F1807.
Installation is performed by a licensed plumber. Shut off the water supply and depressurize the line before making any connections. The barb end requires a calibrated crimp or clamp tool sized for 1/2 inch fittings to achieve a proper seal. Follow local plumbing code requirements, including applicable IPC provisions, for PEX barb fitting installation in potable water systems.
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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