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Uponor North America has introduced six new ProPEX® Lead-free (LF) Brass CPVC Adapter Fittings for transitioning from CPVC to PEX in commercial plumbing and hydronic distribution piping systems. The fittings, which are available in 1.25-, 1.5- and 2-in sizes, are offered in a spigot and a socket adapter and all feature Uponor’s ASTM F1960 ProPEX expansion system for connecting to PEX piping. The ProPEX end of the fitting is manufactured with lead-free brass and is tested and listed to NSF 61 and NSF 372 to meet lead-free requirements. The CPVC end of the fitting is designed to transition from copper tube size (CTS) pipe and fittings and is listed to the ASTM D2846 standard for CPVC fittings.