Bullerjan B4
Standard equipped with 6mm thick steel side panel and 8mm thick steel top plate.
Front panel in steel - optionally with ceramic tea shelf or ceramic front panel.
Choice between beige or black cladding for the combustion chamber
PRODUCT FEATURES AND TECHNICAL DETAILS
6kW
8kW
10kW
Approved for the operation with 6 kW, 8 kW and 10 kW
Depth/Width/Height: 45 cm / 55 cm / 125 cm
Weight steel: 242 kg
Weight with ceramic cover: 276 kg
Weight with ceramic+ cover: 283 kg
Weight with ceramic+ including storage filling: 326 kg
Combustion chamber: height/width/depth: 41 cm / 35 cm / 34,5 cm
Exhaust gas nozzle ø: 15 cm
Air supply nozzle ø: 10 cm
Height centre exhaust gas nozzle ca.: 113 cm
Zugbegrenzer Draftbox: Höhere Effizienz und nochmalige Emissionsverminderung durch die Draftbox.
All technical information
Optional complete independence of room air (Raumluftunabhängig RLU) in accordance with DIBt at no extra costs making it suitable for low energy and passive houses with controlled ventilation system.
| Modell | B⁴ steel | B⁴ Keramik | B⁴ Keramik + | B⁴ Keramik + with fireclay filling |
|---|---|---|---|---|
| Depth | 45,0 cm | 45,0 cm | 45,0 cm | 45,0 cm |
| Width | 55,0 cm | 60,0 cm | 67,0 cm | 67,0 cm |
| Height | 125,0 cm | 125,0 cm | 125,0 cm | 125,0 cm |
| Total weight | 242 kg | 276 kg | 283 kg | 326 kg |
| Depth of combustion chamber | 34,5/35,0/41,0 cm | 34,5/35,0/41,0 cm | 34,5/35,0/41,0 cm | 34,5/35,0/41,0 cm |
| Exhaust gas nozzle | Ø 15 cm | Ø 15 cm | Ø 15 cm | Ø 15 cm |
| Air supply nozzle | Ø 10 cm | Ø 10 cm | Ø 10 cm | Ø 10 cm |
| Height centre exhaust gas nozzle rear ca. | 113,0 cm | 113,0 cm | 113,0 cm | 113,0 cm |
| Height centre air supply nozzle ca. | 14,3 cm | 14,3 cm | 14,3 cm | 14,3 cm |
| Distance rear wall / centre (top) exhaust gas nozzle | 14 cm | 14 cm | 14 cm | 14 cm |
| Distance to combustible materials to the rear | 30 cm | 30 cm | 30 cm | 30 cm |
| Sides beside the stove | 20 cm | 20 cm | 20 cm | 20 cm |
| Sides up to 40 cm in front of the stove | 50 cm | 50 cm | 50 cm | 50 cm |
| Front from viewing window | 120 cm | 120 cm | 120 cm | 120 cm |
| Bullerjan B4 Wertetripel bei 6 kW | Bullerjan B4 Wertetripel bei 8 kW | Bullerjan B4 Wertetripel bei 10 kW | ||
| Nominal heat capacity | 6 kW | 8 kW | 10 kW | |
| Exhaust gas mass flow rate at NHO | 6,5 g/s | 7,1 g/s | 8,0 g/s | |
| Mean exhaust gas temperature | 264 °C | 300 °C | 308 °C | |
| Delivery pressure | 12 Pa | 12 Pa | 12 Pa | |
| CO content (bez. 13 % O2) | 1250 mg/m3 | 875 mg/m3 | 1250 mg/m3 | |
| CO content (bez. 13 % O2) | 0,10 % | 0,07 % | 0,10 % | |
| NOx (bez. 13 % O2) | 24 mg/m3 | 25 mg/m3 | 29 mg/m3 | |
| NOx (bez. 13 % O2) | 148 mg/m3 | 140 mg/m3 | 120 mg/m3 | |
| OGC | 87 mg/m3 | 48 mg/m3 | 61 mg/m3 | |
| Efficiency | 82 % | 82 % | 82 % |
Main features and design
- Elegant timeless design by Sebastian Herkner
- Large combustion chamber with large viewing window and effective window washing system
- Three models available in distinctive different designs: Steel, Keramik, and Keramik+
- B⁴ Steel – very slim, in classic black
- B⁴ Keramik – elegant contemporary design, ceramic cover plate and / or tea tray optional
- B⁴ Keramik+ – Sebastian Herkner’s interpretation of a traditional design.
- The wide variety of colours and surface materials also allow for very modern configurations
- And the B⁴ Keramik+ with fireclay filling, is a compact storage stove with very high storage capacity (total weight: 326 kg)
- Individual design options through a wide choice of ceramic glazes and -surfaces
- Optional ceramic tea-shelf (also available for B⁴ steel)
- Choice between light or black cladding for the combustion chamber
- Optional steel door for the wood compartment
- Four height adjustors allow you to adjust the stove to uneven floors
- Flue connection either at the rear or on top of theB⁴
Function and quality – Made in Germany
- Self-closing and -locking door with large viewing window
- Simple control of the fire through precisely coordinated air supply regulation
- Extremely solid combustion chamber made of 4 mm thick teel
- Firebox lined with high-quality coloured vermiculite
- Potential wear parts, can be replaced even after years, if necessary
- External air supply connection (if required) behind or below
- High effiency factor of 82 %
- Energy Efficiency Class A+
- 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
Bullerjan stoves meet all requirements of modern, efficient wood heating. For almost 40 years now, the Bullerjan® Free Flow hot air stove has been characterised by its unique ability to heat rooms fast. Bullerjan is an example of extraordinary, functional design, comfortable heat, cosy atmosphere, easy and safe operation, reducing heating costs, highest manufacturing quality, safety and service quality – made in Germany*. * With the exception of dot and FF types 04 and 05 – made in the EU.E3
* With the exception of dot and Basic ovens - made in the EU