Used 50HP Industrial Steam Spray-Tray Deaerator. Model 6ST5. Steam Outout 19,014. (1) Wheeler pressure tank, Rated 50 psi @274F. Serial# 11178, National Board# 15235. (2) 50hp Sundyne Sunflo pumps, (1) overflow tank, and a control panel. Serial# 24266A&B, built 2011.