Central heating solid fuel boiler K-5-8(6)

Volumetric combustion solid fuel boiler
Compact, easy to fit in small rooms
High fuel loading (25 dm³)
Automatically regulated boiler temperature
Throttle valves
Body inner wall steel thickness – 5 mm
Warranty for the boiler body 4 years
Variable boiler power using turbulators:
- boiler power with turbulators – 8 kW
- boiler power without turbulators – 6 kW

Nominal power, kW	6-8
Heated area (Energy efficiency acc STR 2.01.02:2016), m2	B class buildings 51.6 – 168 C class buildings 27.6 – 88
Fuel used	wood logs*
Efficiency (using wood logs), not less than %	76
Chamber volume, dm (l)	25
Fuel burn time, up to, h**	2,2
Wood logs length, up to, cm	30
Water volume in the boiler, l	18
Flue channel diameter, mm	120
Minimal return water temperature, C	60
Overall dimensions, HxBxL, mm	790x410x620
Mass (brutto), (±10%), kg	112

* It is also possible to use coal, wood waste, sawdust and peat briquettes. It is not recommended to burn firewood with a moisture content greater than 25%.
** The burning time of the fuel boiler depends on the type of fuel, humidity, outdoor temperature and other factors.

Central heating solid fuel boiler K-5-8(6)

Kalvis Rīga

Domestic boilers

Industrial boilers