Piston feeder boiler STALMARK 440 kW

Piston feeder boiler STALMARK 440 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 440 kW
Exhaust gas pipe diameter 400 mm
Weight 5350 kg
Efficiency 89.2 %
Size of heated surface 4400 m²
Water capacity 1900 L
Boiler heating surface 44 m²
Height 3000 mm
Width 2650 mm
Length 1800 mm
Max. water temperature 90 °C
Max working pressure 1.5 bar
Required chimney draught 40 Pa
Min. chimney height 12 m
Min. incoming water temperature 55 °C
Power supply 400V


If you have experience with this product add your opinion !
Your mark
On this website we are using cookies files. If you want, you can turn off cookies in your browser settings. OK, close ad or find out more.