(2) Used Hurst 800HP Boilers. Maximum Working Pressure 200PSI. 27600 Steam Lb/hr. Serial #HYB5200-200-1. National Board #13671. Built 2007. Includes reciprocating grate, ash conveyor, Danfoss Pressure operating control and high-limit control, flyash collector, Economizer, Schutte-Buffalo hammermill and Phelps conveyor.