Caldera Calterm S CT 35 S, 35kW
Choosing a central heating boiler with the necessary heat output is done according to the size of the heated area and the individual heating needs. As a base example, a residence with an area of 80 m² and a volume of 200 m³ needs about 6 kW of thermal power. In order to make a precise calculation, some extra details are relevant, such as the number of external walls, insulation, type and material of the windows, etc. The range of solid fuel boilers Caldera covers most of the possible applications. Product characteristics - Manual loading; - Three pass flue circulation; - Compact and high efficiency solutions for manually loaded boilers; - Suitable for firing wood logs, brown coal, and lignite; - High heating surface and high fuel loading volume result in high efficiency and longer combustion periods; - Natural draught combustion controlled by primary air regulation via thermostatic controller; - Manual adjustment on secondary air for better combustion and reduced flue emissions; - Easy loading and boiler cleaning due to properly sized front doors; - Cast iron bottom grade for long operation life; - Scaled thermometer to monitor boiler outlet temperature; - Reliable materials, approved production quality and good finishing; - CE approval on Pressure Equipment Directive (97/23/EC). Chimney A chimney with the necessary draft is a main prerequisite for the optimum function of the central heating boiler. Thermal output and economy are dependent on that. This is why the chimney draft needs to be at least the necessary pressure, provided by the manufacturer.
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