Gas boiler ALKON 70 C

for heating onlywall-mountedresidential

Wall hung, condensing gas boiler, for heating and instantaneous DHW production, Low NOx class 5, also for installation in battery Maximum working pressure: 6 bar Modulation ratio 1:7 Total premix burner with constant CO2 Primary heat exchanger in Al / Si / Mg alloy, entirely irrigated, ultrathin (< 12 cm) Electronic ignition Safety limit thermostat Flow and return temperature sensors Automatic air-vent Siphon on the condensates drain Panel board with electric protection IP X4D e-BUS connection Heating temperature adjustment between 30 and 85°C Water content 3,9 liters Flame modulation according to the absorbed power Over-run function Additional functions: diagnosis of operational parameters and errors, antifreeze, technical services and digital errors indication Minimum water pressure switch with setting at 0,5 bar Constant combustion ratio Self-adapting output according to the flue length High efficiency modulating pump (standard supplied only for ALKON 70 C) Suitable for installation in battery (max. 2 series of 4 units) - Kit manifold for additional safety devices - Kit of additional safety devices - Kromschröder controller E8 / expansion modules and modulating thermostats (wall mounted boxes) - Kit of high efficiency modulating pump (optional for ALKON 50 C) - Kit hydraulic separator (mixing header) - Single flue ducts or for battery installations