Boiler for coal and culm TECH ECO DUO 20kW

Boiler for coal and culm TECH ECO DUO 20kW

NN: 12387 / 11549
Available Options



Cost: Individual calculation
(After placing your order we will send you a non-binding offer containing delivery costs.)
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5 years for tightness of the weldings (is required to use of mixing valve),
2 years for other parts,

12 months for screw

Fuel: culm

Substitute fuel: pea coal, pellets



The cast iron grate which is included for free, allows to burn other solid fuels like hard coal, wood etc.

Available options: Side of the fuel container, type of the connection to the chimney on the bottom of this page




Advantages of boiler :


- high efficiency

- automatic functioning

- smoke free and ecological burning
- economical fuel burning

- quick and easy maintenance

- solid build



Product specification

Power output 20 kW
Weight 413 kg
Exhaust gas pipe diameter 192x192 mm
Efficiency 89 %
Size of heated surface 250 m²
Water capacity 62 L
Slow combustion 63 h
Height 1110 mm
Width 1140 mm
Exhaust pipe distance measured from the floor to its axis. 972 mm
Depth 820 mm
Depth with exhaust pipe 1050 mm
Max. water temperature 85 °C
Max working pressure 1.5 bar
Required chimney draught 20 Pa
Minimum chimney section 225 cm²
Outlet and inlet size 40 inch
Power supply 230V / 50Hz
Absorbed power 190 W


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