Piston feeder boiler STALMARK 40 kW
NN: 20921 / 27462
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.
- 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 | 40 kW |
| Exhaust gas pipe diameter | 180 mm |
| Weight | 566 kg |
| Efficiency | 89.2 % |
| Size of heated surface | 400 m² |
| Water capacity | 140 L |
| Boiler heating surface | 3.5 m² |
| thickness of steel | 6 - 10 mm |
| Height | 1402 mm |
| Width | 622 mm |
| Depth | 1394 mm |
| Max. water temperature | 90 °C |
| Max working pressure | 1.5 bar |
| Loading compartment dimensions | 400 x 273 mm |
| Size of the combustion chamber (width/depth/height) | 400 x 150 x 290 mm |
| Silo volume | 190 dm³ |
| Required chimney draught | 20 Pa |
| Min. chimney height | 6 m |
| Outlet and inlet size | 6/4 inch |
| Min. incoming water temperature | 55 °C |
| Power supply | 230V |
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