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Kratki Koza K12 Wood Burning Stove – 6kW

Wood Burning
  • Our Code KOZA/K12
Specification
  • Nominal power (kW) 6
  • Thermal Efficiency (%) 82.5
  • Weight (kg) 102.17
  • Energy Class
    Energy Class A+
  • Certificates Ecodesign, Designed for recuperation, BImSchV 2
Shipping

Estimated Delivery:
Wednesday 11th March – Tuesday 17th March

£729.00 inc VAT

Description

KOZA K12 – MODERN MINIMALISM AND THE STRENGTH OF CAST IRON

Koza K12 is a freestanding cast iron stove distinguished by its solid construction, high efficiency, and aesthetic, minimalist design. Its austere yet elegant form makes it an excellent alternative for those seeking a modern design with all the advantages of our cast iron stoves.

Thanks to its simple design, the stove blends perfectly with both traditional and modern interiors, becoming not only a heat source but also a decorative element.

EFFICIENT HEATING AND LONG-LASTING WARMTH

The stove’s high-quality cast iron construction allows for extremely efficient and – crucially – long-lasting heat release, even after the fire has been completely extinguished. The K12 guarantees thermal comfort and economical fuel use. The technical solutions used, including the exhaust gas post-combustion system, increase the device’s efficiency and make heating more environmentally friendly.

 

SOLID CONSTRUCTION AND PRECISE CONTROL

The K12 model was designed with a focus on durability and functionality. Massive cast iron walls guarantee stability and resistance to high temperatures for many years. The stove also offers convenient and practical control over the combustion process thanks to a system of two independent regulators.

 

ECOLOGY FOR THE ENVIRONMENT

The K12 stove has been designed to meet Ecodesign standards and other strict environmental requirements of regional regulations regarding emission standards for fireplaces and other solid fuel heating appliances, including: BImSchV 2. It has also been tested to the new, more stringent EN 16510 standard.

This guarantees clean combustion and high energy efficiency for the environment. It can operate in homes with heat recovery, making it an excellent solution for modern buildings. It is a reliable heat source that combines safety, durability, and environmental friendliness.

 

WHY CHOOSE THE KOZA K12:

  • High-quality cast iron – ensures maximum heat utilization and long heat release after extinguishing,
  • Top exhaust outlet – a design solution for optimal exhaust gas removal,
  • Outside air intake – 100 mm diameter connector with convenient connection from the bottom or back of the stove,
  • Standard leveling feet – allow for stable positioning of the stove even on uneven floors,
  • precise combustion adjustment – two independent regulators: the left one controls the grate (primary air) and the right one is responsible for post-combustion (secondary air),
  • perforated handle – an ergonomic handle with a modern texture, ensuring comfortable opening and slower heating,
  • minimalist aesthetics – classic ceramics without decoration emphasize the raw, minimalist character of the stove,
  • Heat-resistant glass – temperature resistance up to 660°C guarantees safe operation.
  • Deflector system – extending the exhaust gas path for optimal energy utilization,
  • Triple air supply system – primary air, secondary air, and an air curtain to optimize the combustion process.

 

KOZA K12 – MODERN MINIMALISM AND THE STRENGTH OF CAST IRON

Koza K12 is a freestanding cast iron stove distinguished by its solid construction, high efficiency, and aesthetic, minimalist design. Its austere yet elegant form makes it an excellent alternative for those seeking a modern design with all the advantages of our cast iron stoves.

Thanks to its simple design, the stove blends perfectly with both traditional and modern interiors, becoming not only a heat source but also a decorative element.

 

EFFICIENT HEATING AND LONG-LASTING WARMTH

The stove’s high-quality cast iron construction allows for extremely efficient and – crucially – long-lasting heat release, even after the fire has been completely extinguished. The K12 guarantees thermal comfort and economical fuel use. The technical solutions used, including the exhaust gas post-combustion system, increase the device’s efficiency and make heating more environmentally friendly.

 

SOLID CONSTRUCTION AND PRECISE CONTROL

The K12 model was designed with a focus on durability and functionality. Massive cast iron walls guarantee stability and resistance to high temperatures for many years. The stove also offers convenient and practical control over the combustion process thanks to a system of two independent regulators.

 

ECOLOGY FOR THE ENVIRONMENT

The K12 stove has been designed to meet Ecodesign standards and other strict environmental requirements of regional regulations regarding emission standards for fireplaces and other solid fuel heating appliances, including: BImSchV 2. It has also been tested to the new, more stringent EN 16510 standard.

This guarantees clean combustion and high energy efficiency for the environment. It can operate in homes with heat recovery, making it an excellent solution for modern buildings. It is a reliable heat source that combines safety, durability, and environmental friendliness.

 

WHY CHOOSE THE KOZA K12:

    • High-quality cast iron – ensures maximum heat utilization and long heat release after extinguishing,
    • Top exhaust outlet – a design solution for optimal exhaust gas removal,
    • Outside air intake – 100 mm diameter connector with convenient connection from the bottom or back of the stove,
    • Standard leveling feet – allow for stable positioning of the stove even on uneven floors,
    • precise combustion adjustment – two independent regulators: the left one controls the grate (primary air) and the right one is responsible for post-combustion (secondary air),
    • perforated handle – an ergonomic handle with a modern texture, ensuring comfortable opening and slower heating,
    • minimalist aesthetics – classic ceramics without decoration emphasize the raw, minimalist character of the stove,
    • Heat-resistant glass – temperature resistance up to 660°C guarantees safe operation.
    • Deflector system – extending the exhaust gas path for optimal energy utilization,
    • Triple air supply system – primary air, secondary air, and an air curtain to optimize the combustion process.
General data
  • Nominal power (kW) 6
  • Heating power range (kW)
  • Thermal Efficiency (%) 82.5
  • Flue gas temperature (oC) 233
  • Max billet length (cm) 30
  • Minimum required active area of inlet grilles (cm2)
  • Minimum required active field of outlet grilles (cm2)
  • diameter of the flue gas outlet 100
  • Air intake diameter (mm) 100
  • COLOUR
  • CLOSING
  • Materials Cast iron
Energetic efficiency
  • Energy class A+
  • EEI 110
  • Seasonal Energy Efficiency (%) 73
  • Heat output for space heating (kW) 6
  • CO emission (at 13% O2) ≤ given in % 0.08
  • CO emission (mg/m3) 1005
  • Pollen emission (mg/m3) 19
  • NOx emission (mg/m3) 94
  • OGC emission (mg/m3) 96
  • Flue gas mass flow (g/s) 5.2
Certifications / Compliance
  • Certificates Ecodesign, Designed for recuperation, BImSchV 2
Additional information
  • Equipment
  • FRONT
  • Fuel type Seasoned deciduous wood (humidity ≤20%)
  • Number of pieces in a package.
  • EAN 5903751399971
Physical parameters
  • Width (cm) 38.8
  • Height (cm) 86.6
  • Depth (cm) 40.31
  • Weight (kg) 102.17

Warranty

All products sold on www.halcyonfireplaces.co.uk
are brand new and supplied by Halcyon Fireplaces as an authorised retail partner of Kratki.

All manufacturer warranties are provided directly by Kratki in accordance with their official warranty terms.

Kratki provides:

A 5-year manufacturer’s warranty covering the proper functioning of the fireplace stove from the date of purchase.

A 1-year warranty covering fireplace grates and seals.

The warranty does not cover:

Heat-resistant ceramics, including fireplace glass.

To maintain warranty validity, the fireplace must be installed and operated strictly in accordance with the manufacturer’s installation and operating instructions, and in compliance with all relevant UK building and chimney regulations.

Any warranty claims will be handled in line with Kratki’s official warranty policy. Halcyon Fireplaces will assist customers in liaising with the manufacturer where required.

Returns & Refund Policy

At Halcyon Fireplaces, we want you to be completely satisfied with your purchase. Due to the size, weight, and specialist nature of our fireplaces, returns must follow these guidelines:

Fireplaces cannot be returned if they have been installed or used.

Items must be unused, clean, dry, undamaged, and in the original packaging, including pallets and all protective materials.

Returns must be requested within 30 days of delivery.

A 20% restocking fee applies to all fireplace returns to cover handling, pallet collection, and processing costs.

Halcyon Fireplaces will arrange collection of the fireplace from your property at a pre-agreed date and time. Please ensure someone is available to assist if required.

Refunds

Refunds are processed only once the returned fireplace has been collected and inspected.

Refunds will be credited to the original payment method used for your order.

Refunds are typically processed within 3–5 working days after inspection, although your bank or card provider may take additional time to reflect the funds.

Important Notes

Fireplaces are heavy and delivered on pallets. Collection will always be arranged by Halcyon Fireplaces to ensure safety and convenience.

The 20% restocking fee covers the costs of handling, transport, and processing the return.

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