CxC Reducer Coupling, U600R. Engineered with a precision-machined internal stop to ensure perfect tube alignment and a smooth, leak-free transition when connecting pipes of different diameters. Manufactured from high-purity C12200 refined copper, providing the exceptional heat transfer and corrosion resistance required for high-performance HVAC and potable water systems. Fully meets ASME B16.22 standards, ensuring the fitting can withstand extreme pressure and temperature fluctuations without deforming or cracking.