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Kratki MB120 Lift-Up Glass Wood Burning Fireplace Insert – 20kW

Wood Burning
  • Our Code MB120/G/BLACK
Specification
  • Nominal power (kW) 20
  • Thermal Efficiency (%) 80
  • Weight (kg) 396
  • Energy Class
    Energy Class A
  • Certificates KRATKI PRO, Ecodesign, Designed for recuperation, BImSchV 2
Shipping

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

£4,501.00 inc VAT

Description

MAXIMUM ENERGY UTILIZATION

The body and front are made of high-grade steel resistant to very high temperatures.

Efficient combustion and longer heat retention are achieved thanks to lining the combustion chamber with TERMOTEC – a heat-accumulating material that increases the temperature inside the chamber.

A tall flue outlet and horizontally positioned fire tubes increase the heat exchange surface between the insert and the surroundings. Lower flue gas temperature contributes to higher overall efficiency of the unit.

Stable and stress-resistant fireplace doors are made from a closed steel profile. The door gasket is placed in a specially profiled channel, ensuring proper adhesion and preventing it from falling out during operation.

Post-combustion of fuel particles is ensured by a deflector that extends the path of flue gases.

Air is supplied exclusively from outside via a built-in air intake connector with a diameter of Ø125 mm. Air intake is regulated by a single control lever, eliminating errors resulting from improper use.

Triple air supply system for the combustion chamber:

  • Primary air – directed to the base plate where combustion takes place.
  • Secondary air – supplied through openings in the rear wall.
    Additionally, the insert is equipped with a clean glass system (air curtain).

 

TOP-LEVEL SAFETY

Excellent tightness ensured by solid welds made under noble gas shielding.

Steel components are laser-cut using modern equipment and then bent on CNC press brakes.

The front of the insert is fitted with heat-resistant ceramic glass capable of withstanding temperatures up to 660°C.

 

CONVENIENT OPERATION

Grate-free insert – combustion takes place on ash, meaning the fuel burns down to a fine ash with minimal residue. This allows maximum utilization of the wood’s thermal energy. The bottom plate of the insert is significantly lowered in relation to the door.

Reduced soot buildup thanks to the clean glass system (air guide).

Dual door opening system – upward (GUILLOTINE) and side opening. The lift-up door facilitates loading larger amounts of wood, while the side-opening mechanism allows for easier glass cleaning. A child safety lock prevents unauthorized door opening.

 

MODERN DESIGN

Decorative glass panel resistant to temperatures up to 660°C, giving the fireplace a modern and elegant appearance while visually enlarging the front of the insert.

General data
  • Nominal power (kW) 20
  • Heating power range (kW) 10.0 - 27.0
  • Thermal Efficiency (%) 80
  • Flue gas temperature (oC) 240
  • Max billet length (cm) 50
  • Minimum required active area of inlet grilles (cm2) ≥800
  • Minimum required active field of outlet grilles (cm2) ≥1000
  • diameter of the flue gas outlet
  • Air intake diameter (mm)
  • COLOUR Black
  • CLOSING No
  • Materials
Energetic efficiency
  • Energy class A
  • EEI 105.4
  • Seasonal Energy Efficiency (%)
  • Heat output for space heating (kW) 20
  • CO emission (at 13% O2) ≤ given in % 0.1
  • CO emission (mg/m3)
  • Pollen emission (mg/m3) 11
  • NOx emission (mg/m3)
  • OGC emission (mg/m3)
  • Flue gas mass flow (g/s)
Certifications / Compliance
  • Certificates KRATKI PRO, Ecodesign, Designed for recuperation, BImSchV 2
Additional information
  • Equipment Air intake - built in , Combustion chamber lining, Decorative glass
  • FRONT Steel front with painted glass
  • Fuel type Seasoned deciduous wood (humidity ≤20%)
  • Number of pieces in a package. 1
  • EAN 5903751061403
Physical parameters
  • Width (cm) 145.4
  • Height (cm) 136.3
  • Depth (cm) 56
  • Weight (kg) 396

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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