Boiler Metal-Fach Classic SD Duo Plus 20 kW
The SOKOL Classic SD DUO Plus central heating boilers have received the eco-safety seal. As a standard, the Classic SD DUO Plus 15, 20, 25 boiler is fitted with an igniter. These double-furnace boilers are equipped with ecoenergy burner that burns fuel such as eco-peas, fine coal, and pellets and has water trough that allows for traditional buring of coal and wood. Full feeding of the fuel tank enables service- free operation of the boiler for the period of many days.
The SOKOL Classic SD DUO Plus central heating boilers are equipped with ecoenergy burner that burns fuel such as eco-peas, fine coal, and pellets and have steel removable grate that allows for traditional buring of coal and wood. Full feeding of the fuel tank enables service- free operation of the boiler for the period of many days. The steel, cuboid water boiler body is made of P265GH boiler steel, 6 mm thick (for components coming into contact with combustion gas) and 4 mm thick (for other components). The modern design of the central heating boiler's heat exchanger enables achieving high efficiency.
Boilers are destined for water central heating systems in single-family households, public use buildings (warehouses, halls, office buildings etc.)
Product specification
Power output | 20 kW |
Weight | 505 kg |
Exhaust gas pipe diameter | 180 mm |
Efficiency | 90 % |
Boiler class (303-5:2012) | 3 |
Size of heated surface | 200 m² |
Water capacity | 84 L |
Boiler heating surface | 2.62 m² |
Height | 1665 mm |
Width | 1235 mm |
Width without hopper | 541 mm |
Exhaust pipe distance measured from the floor to its axis. | 1400 mm |
Depth | 703 mm |
Depth with exhaust pipe | 880 mm |
Max. water temperature | 95 °C |
Max working pressure | 1.5 bar |
Silo volume | 300 dm³ |
Required chimney draught | 23 Pa |
Outlet and inlet size | 6/4” inch |
Power supply | 230V / 50Hz |
Warranty | 5 lat |
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