The ATTACK SLX 55 LAMBDA This is a particularly powerful wood gasification boiler with a nominal output of 55 kW and integrated lambda control for precise and low-emission combustion of logs. It is ideally suited for large apartment buildings, commercial buildings, or agricultural operations with very high heat demands. The automatic air control ensures consistently optimized combustion and high operational reliability.

Highlights/Advantages

⭐ 55 kW nominal power – for very large residential and commercial buildings
⭐ Integrated lambda sensor – automatic combustion optimization
⭐ Efficiency up to 88.5% – efficient fuel utilization
⭐ Certified according to EN 303-5:2012 – tested emission values
⭐ Turbulator system with cleaning lever – maintenance-friendly design

ATTACK SLX 55 LAMBDA wood gasifier 55 kW

Area of ​​application & Target audience

The ATTACK SLX 55 LAMBDA is a Hot water boiler for solid fuels (wood) with automatic air control via lambda sensor. It is particularly suitable for:

• large apartment buildings

• commercial and industrial buildings

• agricultural facilities

• Heating systems with high power requirements

• Renovation projects with a sufficiently sized chimney

Preferred fuels are Logs with a moisture content ≤ 25%.

Everyday benefits

The integrated lambda control continuously measures the oxygen content in the exhaust gas and automatically adjusts the air supply. This ensures:

• optimized combustion quality

• reduced fuel consumption

• stable power output

• minimized emissions

Even with varying wood quality, combustion remains efficiently and reliably regulated.

Technology & equipment

• Boiler type: Wood gasification hot water boiler

• Power: 55 kW

• Lambda sensor for automatic air control

• Fan-assisted combustion

• Turbulators in the tube heat exchanger

• Thermal safety device required

• Maximum operating pressure: 2.5 bar

• Minimum chimney diameter: 150 mm (200 mm recommended)

• Recommended chimney draft: 23–30 Pa

To ensure a long service life, a return temperature above 65 °C must be maintained. Recommended boiler operating temperature: 80–85 °C.

Efficiency & Environment

The ATTACK SLX 55 LAMBDA meets the requirements of EN 303-5:2012 for boilers of fuel class A.

Measurement values ​​according to the information sheet:

• Nominal heat output: 55.6 kW

• Partial load (30%/50%): 25.1 kW

• Efficiency at rated power: 83.8%

• Efficiency at 30%/50%: 85.3%

Lambda technology supports clean and stable combustion in high-performance applications.

compatibility & System integration

For standard-compliant and efficient operation, the SLX 55 LAMBDA is typically combined with:

• adequately sized buffer storage

• Return flow booster/mixing device

• Thermal safety device

• Safety valve

• Expansion vessel

Suitable Buffer tanks, hydraulic components and safety groups You can find them in our product range at gemashop.de.

Technical data

Scope of delivery

• ATTACK SLX 55 LAMBDA wood gasifier

• User manual

• Assembly instructions

Assembly & Safety instructions

Installation and commissioning must only be carried out by a qualified specialist company.

Important instructions:

• Thermal safety device absolutely necessary

• Return temperature boost necessary to prevent condensation

• Compliance with chimney requirements

• Regular cleaning of ash box, turbulators and heat exchangers

The warranty may be limited if the installation is improper.

FAQ

1. What does the lambda control do?
It measures the oxygen content in the exhaust gas and automatically regulates the air supply.

2. What is the power output of the SLX 55 LAMBDA?
The nominal heat output is 55.6 kW.

3. Which fuel is permitted?
Firewood with a maximum moisture content of 25%.

4. Is a buffer storage tank required?
For efficient and compliant operation, a sufficiently sized buffer storage tank is recommended.

5. What is the maximum operating pressure?
2.5 bar.

6. How often is cleaning necessary?
Empty the ash box daily, and clean the heat exchanger regularly according to the operating instructions.

Conclusion

The ATTACK SLX 55 LAMBDA 55 kW This is the high-performance solution for large buildings with very high heating demands. Modern lambda control, robust construction, and standards-compliant technology ensure reliable and efficient heating operation with logs. Order now and rely on professional wood gasification technology.