Fitting Reducer Application Air Gases Potable Water Fitting Side A Connection Type FTG Fitting Side B Connection Type Cup Fitting Side A Copper Tube Size 2 1/2 in Fitting Side B Copper Tube Size 1 1/4 in Fitting Material Wrot Copper Fitting Side A Tube Outer Diameter 2 5/8 in Fitting Side B Tube Outer Diameter 1 3/8 in Maximum Operating Pressure 269 psi @ 200 Degrees F Maximum Operating Temperature 400 Degrees F Specific Fitting Shape Straight Reducing Coupling