Used 125000 Lb/hr D-type Watertube boiler. Mfr Rentech Boiler Services. MAWP 600PSI @550F. Heat Surface 7924 Sq ft. 29'5"L x 16'4"H x 12'3"W. Steam drum. Control Panel. Serial #2006-80. 125.5MM/ BTU John Zink Natural Gas burner and windbox. National Board #390. Built 2007.