Piston feeder boiler STALMARK 220 kW

Piston feeder boiler STALMARK 220 kW

NN: 56719
Available Options
- 48 months for tightness
- 24 months for electronic parts

Coal of a granulation from 5 to 40mm

Thanks to its construction Duo Boss is one of the most adjustable boilers with piston feeder. It can be used in both big and small boiler rooms.

Its combustion chamber has side piston feeder and water grate. The boiler is equipped with modern ST-609H controller used for central heating pomp, hot utility water, floor heating and circulating pomp.


Product specification

Power output 220 kW
Exhaust gas pipe diameter 296 mm
Weight 2900 kg
Efficiency 89.2 %
Size of heated surface 2200 m²
Water capacity 960 L
Boiler heating surface 21 m²
Height 2260 mm
Width 2610 mm
Depth 1310 mm
Max. water temperature 90 °C
Max working pressure 1.5 bar
Required chimney draught 30 Pa
Min. chimney height 10 m
Min. incoming water temperature 55 °C
Power supply 230V


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