Boiling is done by a steam boiler. A steam boiler was added for laundry purposes. The two pistons shared a common four-way rotary valve connected directly to a steam boiler. One of the more well known critical processes is the operation of a steam boiler. The Hartford Steam Boiler Inspection and Insurance Company was founded on June 30, 1866. The barge had generators, a distilling plant, an air compressor and steam boiler. The front wheel supported a steam boiler and driving mechanism. Hartford Steam Boiler Group is rated A++ (Superior) by A.M. Best Company. The hybrid CSP plant has a small steam boiler for assistance. The steam boiler was checked under notice of current safety regulations. The recently founded Dampfkessel-Revisionsverein (Steam Boiler Inspection Association) regularly inspected both boilers. Even the steam boiler, intended to clean the pipes, was non-operational for unknown reasons.