Description Overview Single pass immersion type firetube boiler 475 hp Model: 475HP-SH-LN390 Natural gas heated 19,976,000 input btu 15,901,000 output btu Approximately 16,000 lbs steam per hour Specifications 150 psi Includes 25 hp electric burner, 460 V Serial number: 101157 Condition In excellent condition Includes spare burner assembly