Bullerjan B² flex BOX steel
True to our basic principles, we have also consistently optimized our most compact model for environmental compatibility, functionality and ease of operation. This makes the B² flex uncomplicated, reliable and extremely efficient with an efficiency of up to 88 percent.
Our B² flex BOX special offer model impresses with its timeless functional design, outstanding space heating performance, and extremely efficient and thus resource-saving combustion.
The B² flex BOX is optionally available with side panels made of steel or handmade ceramic. Due to its small size, the B² flex BOX finds enough space even in small rooms.
Main properties and design
- Balance between convection and radiation heat
- Nominal heat output of 5 kW without catalytic converter and 9 to 6 kW with catalytic converter
- Highly economical through extremely high efficiency factors of up to 88 percent
- Choice between “Standard” model on steel feet, and “Box” model with firewood box and, if requested with fitted steel door
- 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 floors
Function 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 service
Approved for operation with 5 kW
General
| Heat output | |
|---|---|
| Energy class | A+ |
| Energy efficiency | 118 |
| fuels | wood logs, 25 cm |
Dimensions
| W / H / D | 41.8 cm / 125.5 cm / 35.7 cm |
|---|---|
| Weight | with cladding Steel: 130 kg / with cladding Ceramic: 163,6 kg |
| Flue gas connection ø | 15 cm |
| Supply air connection ø | 10 cm |
| Height centre exhaust gas nozzle | |
| Height centre supply air connection | approx. 51.5 cm |
| Distance to combustible materials (sides / back / front) | 20 cm / 20 cm / 100 cm |
Emissions
| Exhaust gas mass flow rate | 4,11 g/s |
|---|---|
| Average flue gas temperature | 223 °C |
| delivery pressure | 12 Pa |
| Efficiency | 88 % |
| Dust (13% O2) | 36,9 mg/m3 |
| Co content (13% O2 ) | 1172,9 mg/m3 |
| NOx (13% O2 ) | 79,3 mg/m3 |
Catalogue B² flex BOX
Download as PDFOperating instructions
Download as PDFInstructions for cleaning and replacing the catalytic converter
Download as PDFAssembly instructions for the locking door for the wooden box
Download as PDFProduct data sheet for 3.9 kW
Download as PDFProduct data sheet for 5 kW
Download as PDFProduct data sheet for 6 kW
Download as PDFDeclaration of performance
Download as PDFTechnical documentation Ecolabel form without catalytic converter
Download as PDFTechnical documentation Ecolabel form for 3.9 kW
Download as PDFTechnical documentation Ecolabel form for 6 kW
Download as PDFDeclaration of conformity EG
Download as PDFDeclaration of conformity CE
Download as PDF
