Union, Application Non-Potable Water, Fitting Side A Connection Type Press-Fit, Fitting Side B Connection Type Press-Fit, Fitting Side A Copper Tube Size 1/2 in, Fitting Side B Copper Tube Size 1/2 in, Fitting Material Stainless Steel, Material Grade 304, O-Ring Material FKM, Specific Fitting Shape Straight Union, Maximum Operating Pressure 200 psi, Maximum Operating Temperature 284 Degrees F