Beretta BLS 25 C 19.3 kW Condensing Boiler - MethaneBeretta BLS 25 C 19. 3 kW Condensing Boiler Methane 19. 3 kW Ideal for heating rooms up to 120 m with an average height of 2. 7 m 25 kW Nominal DHW heat input (max) The Beretta BLS is a wall mounted condensing boiler designed to guarantee energy savings, reliability over time and maximum comfort. both in heating and in the production of domestic hot water. HIGH PERFORMANCE AND INTELLIGENT CONSUMPTION Thanks to condensing technology with a stainless