Piston feeder boiler STALMARK Duo Boss 34 kW
NN: 57752 / 63212
Thanks to the side construction DUO BOSS has got two individual furnaces – side piston feeder and permanent steel water grate. Thanks to the side construction, it is possible to set it even in the smallest boiler rooms. The boiler is equipped with the newest ST-609H steering which can operate up to 4 pumps (central heating, domestic hot water, floor and circulation).
Warranty:
48 months for tightness
24 months for electronic elements
12 months for protection of furnace door
Fuel: hard coal, coal dust, pea coal
The calorific value should be 25MJ/kg
Granulation of fuel: 5-40 mm
Product specification
| Power output | 34 kW |
| Exhaust gas pipe diameter | 180 mm |
| Weight | 620 kg |
| Size of heated surface | 340 m² |
| Water capacity | 115 L |
| Boiler heating surface | 3.4 m² |
| Height | 1573 mm |
| Width | 1310 mm |
| Depth | 800 mm |
| Max. water temperature | 90 °C |
| Max working pressure | 1.5 bar |
| Loading compartment dimensions | 400 x 273 mm |
| Silo volume | 280 dm³ |
| Required chimney draught | 20-30 Pa |
| Min. chimney height | 6.5 m |
| Outlet and inlet size | 6/4 inch |
| Min. incoming water temperature | 55 °C |
| Power supply | 230 V |
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