Adapter Application Potable Water Fitting Side A Connection Type CTS Socket Hub Fitting Side B Connection Type NPT Fitting Side A Copper Tube Size 3/4 in Fitting Material CPVC Fitting Side B Pipe Size 3/4 in Fitting Side A Tube Outer Diameter 7/8 in Fitting Side B Tube Outer Diameter 7/8 in Maximum Operating Pressure 400 psi Maximum Operating Temperature 180 Degrees F Specific Fitting Shape Straight Adapter Standards ASTM D1784 ASTM D2846 NSF 14 NSF 61 Color Yellow