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 pipe and fittings and is listed to the ASTM D2846 standard for CPVC fittings.
Uponor PEX to CPVC adapter fittings
Uponor’sProPEX lead-free brass CPVC adapter fittings allow for transitioning from CPVC to PEX in hydronic distribution piping systems. The fittings, which are available in 1 1/4”, 1 1/2” and 2” sizes, are offered in a spigot and a socket adapter and feature a durable ASTM F1960 ProPEX expansion system.