Unused 250000 LB/HR Natural Gas fired Packaged Watertube Boiler. Manufactured by Rentech. 550F @300PSI. 7353 HP. Zeeco 315MMbtu/Hr Natural Gas fired Burner. Includes 277778 LB/HR Economizer. Tubes rated 650 PSI @700F. Shell rated 40PSI@700F. 500HP FD Fan. Stack 149'11" x 72"D.