Reducer Application Air Fuel Natural Gas Fitting Side A Connection Type FTG Fitting Side B Connection Type Press-Fit Fitting Side A Copper Tube Size 1 in Fitting Material Carbon Steel Fitting Side B Pipe Size 1/2 in O-Ring Material HNBR Specific Fitting Shape Straight Adapter Finish/Coating Zinc Nickel-Plated Overall Length 3 7/32 in Maximum Operating Pressure 125 psi Maximum Operating Temperature 180 Degrees F