Bullerjan B² Flex BOX Model 2017 – straight


With firewood box

Bullerjan B² flex BOX with door
For the Bullerjan B² flex BOX a fitted steel door is also available on request.

Technical Data:

Nominal heat ouput:
– without catalytic converter: 5,0 kW
– with catalytic converter: 3,9 und 6,0 kW

Depth/Width/Height: 35,5 x 41,8 x 125,5 cm

– Steel: 130 kg
– Keramik: 163,8 kg
– Sandstone: 166,8 kg
– Soapstone: 176,4 kg

The ceramic-covers are available in many different colours. Slight colour differences are possible for all digital photographs of stoves. Remark: Unlike the pictures shown here, we moved our Bullerjan Logo from the stove body under the stove door into the viewing glass of the door.

Depth of combustion chambe4r 25,5 cm
Flue gas nozzle: 15 cm
Height centre flue gas nozzle: ca. 113,5 cm
Height centre air supply nozzle: ca. 51,5 cm

Overview technical data

Product features

Main features and design

  • Balance between convection and radiation heat
  • Nominal heat output of 5 kW without catalytic converter and 3.9 to 6 kW with catalytic converter
  • Highly economical through extremely high efficiency factor of up to 88 percent
  • Choice between straight or rounded front
  • Choice between “Standard” model on steel feet, and “Box” model with firewood box and,if requested with fitted steel door
  • Side-covers in steel, ceramic (ribbed or smooth and in different colours) or natural stone
  • Modest space requirements through compact dimensions
  • Flue connection either at the rear or on the top
  • Four height adjusters for levelling the stove on uneven floorsFunction and quality – Made in Germany
  • Self-closing and -locking door with large viewing window
  • Effective integrated window washing system
  • Intuitive control of the fire using a precisely coordinated inflow of air
  • Extremely solid combustion chamber of 4 mm thick, edged steel
  • Firebox lining made of high-quality vermiculite and special robust fireclay
  • Potential wear parts, in part of heat-resistant premium steel, can be replaced even after years if necessary
  • Warranty extension (total 5 years) to the stove body on registering the product
  • Comprehensive service offering by the Bullerjan specialist dealers or Bullerjan customer serviceTechnical versions
  • Optional complete independence of room air (Raumluftunabhängig RLU) in accordance with DIBtat no extra cost, making it principally suitable for low energy and passive houses. Please alwaysclarify conditions in advance with your chimney sweep.
  • Optional fitting with ChimCat® catalytic converter (can also be easily retrofitted) extends the cleanoutput range from 5 kW to 3.9 to 6 kW. This in combination with significantly reduced emissions levels make this option the right choice for the environment.