DWV Coupling Application Air Potable Water Fitting Side A Connection Type Cup Fitting Side B Connection Type Cup Fitting Side A Copper Tube Size 2 in Fitting Side B Copper Tube Size 2 in Fitting Material Wrot Copper Fitting Side A Tube Outer Diameter 2 1/8 in Fitting Side B Tube Outer Diameter 2 1/8 in Maximum Operating Temperature 250 Degrees F Specific Fitting Shape Straight Coupling Includes Center Stop Rolled Center Stop Precleaned Not Pre-cleaned