Sonka is the largest model in its group, offering the best heat storing capacity with a new modern and sleek design. The model features a large door and smooth horizontal soapstones.

Colour/surface options


  • Stylish, easy to use and well sealed doors and air controls.
  • A hybrid fireplace that can be fitted with the Tulikivi P10 pellet system or the W10-water circulation system.
  • An efficient heat plant for many kinds of needs.
  • A long heat release time and a tightly sealed structure. A great choice for low-energy homes.
  • Its high efficiency saves wood.
  • Very low particulate and carbon monoxide emissions, surpassing even the world’s toughest emissions standards.

Read more about the advantages of soapstone fireplaces.

Dimensions and drawings

Width52.1 in
Depth23.6 in
Height60.2 in
Weight4630 lbs
Firebox width14.2 in
Firebox depth10.6 in

Heating technology

Efficiency87 %
Maximum amount of wood44.1 lbs
Energy intensity74,2 kWh
Area to be heated538-1184ft2
Heat release time,% of maximum power (h)
4,8 h (100%)
20,4 h (50%)
35,2 h (25%)
Flue classT400

Safety distances and flue connections

Safety distances
Back20 in
Side14 in
Flue connection details
Recommended flue size and diameter of round flue
ø 5.9...7.1 in
Top vent

Optional extras

The optional extras will make your fireplace better and more efficient - take a look at such equipment as the water heating system and electrical resistors. Fireplace tools, hearth tiles and cleaning materials all help to keep your fireplace clean and tidy.

Read more about optional extras
Tulikivi Green product information
Pellet system P10
Pellet grate
Pellet load kg
Not available in USA/CAN
Water heat exchanger system W10
Top vent heat exchangerOU00192
Base vent heat exchangerOU00412
More about the W10 water heat exchanger system