Welcome to GEMA Shop - your expert for heating, solar and sanitary technology since 1991. We advise you personally and offer technical solutions that really work.
  • fast shipping

  • Free help and advice

  • Open 7 days a week

Anhaltinerring 17, 39439 Güsten

Attack  |  SKU: ASLXP40

Wood gasifier 40 kW ATTACK SLX 40 Profi

Name: ATTACK, s.r.o.

Address: Dielenská Kružná 5020, 038 61 Vrútky, Sk

Email: kotle@attack.sk

Website: https://attack.sk/

European Manufacturer: Yes

Normal price 4.366,37 €
vAT included. Shipment will be charged at checkout.


Delivery and shipping

Processing time is typically 1 business day. Delivery for parcels is 1-3 business days. For freight forwarding, delivery time is 3-5 business days. Delivery times outside Germany vary.

Description

The ATTACK SLX 40 PROFI This is a high-performance wood gasification boiler with a nominal output of 40 kW for the efficient and low-emission combustion of logs. It is ideally suited for large single-family homes, apartment buildings, or commercial properties with increased heating demands. The tested performance and emission values ​​according to EN 303-5 confirm a standard-compliant and economical heating solution.


Highlights/Advantages

40 kW nominal power – suitable for large buildings
Efficiency up to 91.2% – efficient energy utilization of firewood
Tested according to EN 303-5:2012 – certified emission values
Robust steel construction – durable, maintenance-friendly technology
Turbulator system with cleaning lever – optimized heat transfer


ATTACK SLX 40 PROFI wood gasifier 40 kW

Area of ​​application & Target audience

The ATTACK SLX 40 PROFI is a Hot water boiler for solid fuels (wood) With manual loading. It is particularly suitable for:

  • large detached houses

  • Apartment buildings

  • agricultural buildings

  • commercial properties

  • Renovation projects with a suitable chimney

The preferred fuel type is Logs with a moisture content ≤ 25%.


Everyday benefits

The wood gasification principle enables highly efficient, two-stage combustion. First, the wood is gasified, then the resulting wood gases are completely combusted. This ensures:

  • stable power output&

  • high fuel utilization

  • reduced CO and dust emissions

  • consistent heat supply

The heat exchanger tubes can be conveniently cleaned using the turbulator lever.


Technology & equipment

  • Boiler type: Wood gasification hot water boiler

  • Fuel feed: manual

  • Adjustable primary and secondary air

  • 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 temperature: 80–85 °C.


Efficiency & Environment

The ATTACK SLX 40 PROFI meets the requirements of EN 303-5:2012 for boilers of fuel class A.

Measurement values ​​according to certificate (rated power):

  • Nominal heat output: 40 kW

  • Minimum heat output: 20 kW

  • Efficiency: 91.2%

  • CO at 13% O₂: 88 mg/m³

  • Dust at 13% O₂: 11 mg/m³

The emission and performance values ​​were confirmed by an accredited testing laboratory.


compatibility & System integration

For standards-compliant and efficient operation, the SLX 40 PROFI is typically combined with:

  • Buffer storage

  • Return flow booster/mixing device

  • Thermal safety device

  • Safety valve

  • Expansion vessel

Suitable Buffer storage tanks, return temperature boosts and safety groups You can find them in our product range at gemashop.de.


Technical data

feature Value
Manufacturer ATTACK s.r.o.
Model SLX 40 PROFI
Product type Wood gasification hot water boiler
fuel Wood (Class A according to EN 303-5)
Nominal heat output 40 kW
Minimum heat output 20 kW
efficiency 91.2%
CO (at 13% O₂) 88 mg/m³
Dust (at 13% O₂) 11 mg/m³
Maximum operating pressure. 2.5 bar
Minimum chimney diameter 150 mm
Recommended chimney draft 23 Pa
Fuel feed manually
standard EN 303-5:2012

Scope of delivery

  • ATTACK SLX 40 PROFI 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 is the performance of the ATTACK SLX 40 PROFI?
The nominal heat output is 40 kW.

2. What quality of wood is required?
Firewood with a maximum moisture content of 25%, 12–20% recommended.

3. What is the efficiency?
The tested efficiency is 91.2%.

4. Does the boiler comply with EN 303-5?
Yes, it is certified according to EN 303-5:2012.

5. Is a buffer storage tank necessary?
A buffer storage tank is recommended for efficient operation.

6. How often does cleaning need to be done?
Empty the ash box daily, and clean the heat exchanger regularly according to the operating instructions.


Conclusion

The ATTACK SLX 40 PROFI 40 kW Offers high efficiency, tested emission values, and robust technology for buildings with high heating demands. A reliable solution for sustainable heating with logs. Order now and rely on proven wood gasification technology.

payment & Security

Payment options

  • American Express
  • Apple Pay
  • Bancontact
  • BLIK
  • EPS
  • Google Pay
  • iDEAL Wero
  • Klarna
  • Maestro
  • Mastercard
  • MobilePay
  • PayPal
  • Przelewy24
  • Shop Pay
  • Union Pay
  • Visa

Your payment information is processed securely. We do not store or access your credit card information.

Contact us