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Kratki Lucy 14 Tunnel double sided wood burning stove

Kratki Lucy 14 Tunnel - Double Sided Inset Stove

  • Manufacturer: Kratki
  • Product Code: Lucy 14 Tunnel Double Sided Stove
  • Availability: Pre-Order
  • 2,600.00€

  • Ex Tax: 2,113.82€

The insert with modern panoramic shape and extraordinary view of fire thanks to the glass installed in front and at the back. Advanced solutions ensure energy saving and make using and cleaning of the fireplace very easy.


More efficient combustion and longer maintenance of temperature by lining the combustion chamber with ceramic material TERMOTEC which accumulates heat and raises the temperature in the furnace.

Full combustion on the dust thanks to two deflectors which extend the exhaust path. This process increases the efficiency of burning and guarantees better energy use. It also minimizes the emission of harmful substances to the atmosphere.

Air supply to the inserts comes only from outside thanks to the inbuilt air intake connector fi 125 mm. It is controlled by an adjustable throttle with one controller beneath the door. This solution excludes errors of improper use. The whole mechanism works very quietly and flawlessly.

In this insert there is double air system of combustion chamber. Primary air which enables setting a fire is supplied under the grate.

Additionally, this insert is equipped with Clea Galss System (air curtain), so the air is supplied directly to the glass through a system of channels located on the sides of the fireplace. In this way oxygen is supplied to the upper part of the combustion chamber, were happens post-combustion of gases produced while combustion of wood. At the same time it reduces harmful CO emissions to the atmosphere.

Such air system enables to control burning process very precisely.


Front of the insert is equipped with a heat resistant ceramic withstanding temperatures up to 660°C. We offered by us glass certified quality and safety.

The special perforated design of the handle protects against excessive heating, which has the influence on the high comfort of using the fireplace.

The body and the front of the insert is resistant to high temperatures through the use of high quality steel.

Excellent tightness thanks to the solid welding made in shielded noble gas. Steel elements are laser cut with the help of modern equipment, and then they are bent on CNC benders.


The unit meets the requirements of Eco-design standards 2022 and the restrictions of the BImSchV 2 standard, which determines the maximum CO emission.


Special profiled bottom plate of TERMOTEC is used in this insert. Thank to that the chamber of the fireplace is bigger and larger amount of wood can be put inside.

Movable grate and ash drawer enable to keep the insert clean.

Reduced soot deposition through a system of clean glass system (air curtain). Air curtain separates the glass from the chamber thanks of that the glass doesn’t become dirty and emit more heat to the room.

Insert can be easily elevate thanks to the regulated the legs.

The model is equipped with a movable exhaust outlet and thanks to that there is no need to purchase additional knees for installation. It is possible due to easy adjustment of the angle of connection to the chimney system. 


The insert has two doors – front and back ones (instead of the back wall), thanks to this solution the heat can be emitted in both directions.

This type of insert is usually chosen to install between two adjacent rooms for example living room and dining room or bedroom.

The insert has singular decorative glass thanks to that it looks elegant and modern. Such solution visually enlarges the front of the insert and emphasizes the view of the fire.

The door of the insert has comfortable handle.


Rated output (kW) - 14,0

Range of heating power (kW) 6.0 - 17.0

Efficiency (%) - 81,0

Exhaust outlet diameter (mm) - 200

Complies with Eco-design criteria

Designed for heat recovery unit

Fuel type seasoned hardwood (moisture ≤20%)

CO emission (at 13% O2 ) ≤ given in % 0,10

Flue gas temperature () - 265,0

Max log length (cm) - 40

Emission of dust (mg/Nm 3) - 18,0

Compliance with BImSchV 2 standard

The energy efficiency index EEI - 106,71

The minimum active field of exhaust grilles (cm 2 ) ≥ 900

The minimum active field of inlet grilles (cm2) ≥ 700

Glazing type - flat

Opening of the doors - left-hand,

Material - steel

Width (cm) - 80,40

Height (cm) - 128,00

Depth (cm) - 42,00

External air inlet

The liner of the combustion chamber

Ash pan

Decorative printed glass

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