Solder Pressure Adapters Application Potable Water Fitting Side A Connection Type Cup Fitting Side B Connection Type FNPT Fitting Side A Copper Tube Size 3/4 in Fitting Material Copper Fitting Side B Pipe Size 3/4 in Fitting Side A Tube Outer Diameter 7/8 in Specific Fitting Shape Straight Adapter Standards ASME B1.20.1 ASME B16.15 ASME B16.18 ASME B16.22 ASME B16.24 ASME B16.50 NSF 61G Compatible Tube Material Copper Overall Length 1 5/8 in