Sweat Fitting Union, Application Tubing Systems, Fitting Side A Connection Type Cup, Fitting Side B Connection Type Cup, Fitting Side A Copper Tube Size 3/4 in, Fitting Side B Copper Tube Size 3/4 in, Fitting Material Cast Copper, Fitting Side A Tube Outer Diameter 7/8 in, Fitting Side B Tube Outer Diameter 7/8 in, Maximum Operating Pressure 580 psi @ 100 Degrees F, Maximum Operating Temperature 400 Degrees F, Specific Fitting Shape Straight Union, Flange Outside Diameter Not Applicable. This item has been restricted from sale in the following state (s): []