Boiler Defro Optima Komfort Plus 8 kW

Boiler Defro Optima Komfort Plus 8 kW

Catalog number: KCO-KP-8|
Available Options

Structure of OPTIMA KOMFORT PLUS boilers ensures two-system operation and combustion of all types of fuels - fines in case of firing from top (with operation time up to 20 hours) and the remaining solid fuels (coal, wood, mix of coal and fines) in case of firing from bottom. Electronic control of air blowing for combustion, allowing more precise temperature adjustment and increasing servicing comfort, are used in the boilers. Multi-point air supply system to the fuel charing zone increases stability and efficiency of boiler operation.

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


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

Product specification

Power output 8 kW
Weight 200 kg
Exhaust gas pipe diameter 127 mm
Efficiency 81 %
Min. chimney diameter 160 mm
Size of heated surface 110 m²
Water capacity 36 L
Boiler heating surface 1.2 m²
Inner metal sheet thickness 6 mm
Height 1407 mm
Width 550 mm
Depth 890 mm
Max. water temperature 85 °C
Max working pressure 1.5 bar
Loading compartment dimensions 258x188 mm
Required chimney draught 18 Pa
Min. chimney height 5.5 m
Outlet and inlet size 1 1/2 inch
Min. incoming water temperature 65 °C


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