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Boiler Defro Optima Komfort 25 kW

Boiler Defro Optima Komfort 25 kW

Catalog number: KCO-OK-25|

OPTIMA KOMFORT boilers are equipped with horizontal-skew flue gas channels and are adapted for upper combustion of solid fuels. Operation process does not require use of electric energy - boilers are operating using natural draught and temperature is mechanically controlled using knob on lifting flap in ash-pan doors or using draught controllers (additional equipment). Boilers are factory adapted for installation of fan and electronic controller what significantly increases comfort. Large furnace chamber and arrangement of cleaning holes are only some of solutions ensuring high comfort.

Fuel:
- coal,
- mix of coal and fine coal,
- wood in pieces,
- edgings and chips.

 

Warranty:
- 4 years for tightness of the boiler's exchanger.
- 2 years for other elements.

Product specification

Power output 25 kW
Weight 347 kg
Exhaust gas pipe diameter 178 mm
Efficiency 80 %
Min. chimney diameter 180 mm
Size of heated surface 290 m²
Water capacity 82 L
Boiler heating surface 2.9 m²
Inner metal sheet thickness 6 mm
Height 1625 mm
Width 650 mm
Depth 1145 mm
Max. water temperature 90 °C
Max working pressure 1.5 bar
Loading compartment dimensions 358x188 mm
Required chimney draught 28 Pa
Min. chimney height 7 m
Outlet and inlet size 1 1/2 inch
Min. incoming water temperature 65 °C

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