Steam generator with built-in piston pump of capacity of 48 W with an automatic water supply. Steam boiler of capacity of 4L made of stainless steel (inox). Solenoid-controlled amount of steam flow, manometer, safety valve, drain valve. Cover made of stainless steel. Steam pressure to 6 bar allows to work with the steam gun, iron or steam brush. Applied in dry and water cleaners, dental and prosthetic industry.