Di-electric Union Application Potable Water Fitting Side A Connection Type Press-Fit Fitting Side B Connection Type FNPT Fitting Side A Copper Tube Size 1 in Fitting Material Bronze Fitting Side B Pipe Size 1 in O-Ring Material EPDM Specific Fitting Shape Di-Electric Union Overall Length 2 9/16 in Maximum Operating Pressure 200 psi Maximum Operating Temperature 250 Degrees F