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Piston feeder boiler STALMARK 70 kW

Piston feeder boiler STALMARK 70 kW

Available Options
Warranty:
- 48 months for tightness
- 24 months for electronic parts

Fuel:
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 70 kW
Exhaust gas pipe diameter 246 mm
Weight 1300 kg
Efficiency 89.2 %
Size of heated surface 700 m²
Water capacity 240 L
Boiler heating surface 7 m²
Height 1720 mm
Width 1970 mm
Depth 810 mm
Max. water temperature 95 °C
Max working pressure 1.5 bar
Required chimney draught 30 Pa
Min. chimney height 7.5 m
Min. incoming water temperature 55 °C
Power supply 230V

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