Piston feeder boiler STALMARK 300 kW

Piston feeder boiler STALMARK 300 kW

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 300 kW
Exhaust gas pipe diameter 366 mm
Weight 3700 kg
Efficiency 89.2 %
Size of heated surface 3000 m²
Water capacity 1300 L
Boiler heating surface 29 m²
Height 2560 mm
Width 2610 mm
Depth 1410 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 400V


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