wall-mounted and ecologic "class 5" boiler electronic, with sealed chamber with premix gas operation and hydroplus system heating and sanitary modulation total modulation of the burner • Reduced useful efficiency: 95% • 3 STARS certified output rating (92/42/CEE) • CO = 15 p.p.m. – Nox = 15 p.p.m. • OTTIMAX function • HYDROPLUS system • Electric protection IP 20 • Sealed chamber and forced draught • Premix burner of special metal fiber • LPG and natural gas operation • Electronic ignition with flame ionisation control • Total flame modulation (heating and sanitary) • Air/Gas ratio and combustion control • Heating modulation control • Adjustable mounting bracket • Automatic pump unlock • Anti-frost protection • Visualization of the alarming and blocking functions • Visualization of real and preset temperatures • PC serial connection • Gas tap EN 331 and cold water tap • Discharge pipe for safety valve • Anti-Legionnaires disease function (if connected to a hot water storage tank)