Automatic 3Ton Natural Gas LPG Diesel Oil Fired Industrial Gas Steam Boiler Price Steam Boiler Configuration: One full set boiler include: Steam Boiler Body x 1, Burner x 1, Electric Control Cabinet x 1, Water Pump x 2 , Economizer x 1, Instrument Valve x 1 set, Steam Cylinder x 1, Chimney x 8 m. Water Treatment Device is Optional, if need, will charge additional. steam boiler body packing: nude packing full set 3 ton model industrial gas steam boiler should load in one 40HQ container and one 40FR.