Adapter Application Potable Water Fitting Side A Connection Type Press-Fit Fitting Side B Connection Type FNPT Fitting Side A Copper Tube Size 1/2 in Fitting Material Bronze Fitting Side B Pipe Size 3/4 in O-Ring Material EPDM Specific Fitting Shape Straight Adapter Overall Length 1 21/32 in Maximum Operating Pressure 200 psi Maximum Operating Temperature 250 Degrees F Standards ASTM B75 ASTM B88