Used 1585 Sq Ft 304L SS Fin Fan Heat Exchanger. Mfg Chart. Model H108. 1585 Sq Ft (Bare), 34015 Sq ft (extended). (208) 1" OD Tubes - 2-pass. Rated 478PSI @456F. (2) 20HP Force D fans drawing 29500 lbs. National board. Built 2015. Includes 200 Sq Ft CS Heat Exchanger tube bundle. (26) 1" tubes rated 488PSI@455F. National Board. Built 2015. Used as LFTL Condenser and BFW Cooler.