Minor monobloc steam boiler, highly versatile, designed for an immediate response in the establishment of operating conditions. With access to the combustion zone, easily and quickly, thus allowing inspections and periodic checks of control. Compact and robust construction, low maintenance cost and easy operation due to its total automatism, designed for maximum economy of use. Design pressure: 8'8 kgs / cm2. Maximum service pressure: 8 kgs / cm2. Total volume: 1.33 m3. Vaporization: 1,000 kg steam / h. Design temperature: 250 ºC. Average volume of water: 0.91 m3. Heating surface: 18.57 m2. Hydrostatic test: 13.2 kg / cm2.