The ROJEK PK BIO 25 is a high-performance wood gasification boiler with a nominal output of 25 kW for single-family and two-family homes. It enables efficient and low-emission combustion of logs up to 530 mm in length and meets EN 303-5 Class 5 and Ecodesign standards.

Highlights/Advantages

⭐ 25 kW nominal power – ideal for larger detached houses
⭐ 130 liter combustion chamber – long burning time
⭐ Top loading – convenient filling
⭐ Electronic control – controlled wood gasification
⭐ EN 303-5 Class 5 & Ecodesign compliant

Area of ​​application & Target audience

Suitable for residential buildings and smaller commercial units with medium heating requirements. Particularly economical in combination with a buffer storage tank.

Everyday benefits

The top loading mechanism allows for quick refueling. The generous combustion chamber volume enables long burn times. Cleaning is conveniently accomplished via external controls.

Technology & equipment

Rated power: 25 kW
Filling chamber volume: 130 liters
Max. log length: 530 mm
Maximum wood moisture content: 20%
Calorific value of fuel: 14–18 MJ/kg
Electronic control

Efficiency & Environment

Meets EN 303-5 Class 5 for firewood.
Ecodesign compliant according to EU 2015/1189.

Technical data

Scope of delivery

• ROJEK PK BIO 25 wood gasification boiler

• Electronic control

• User manual

• Assembly instructions

FAQ

What is the permissible length of wood?
Up to 530 mm.

Is the boiler eligible for funding?
It meets Class 5 and Ecodesign standards; national funding conditions need to be checked.

How long does a filling burn?
Approximately 5–9 hours, depending on the fuel.

Is a buffer storage tank required?
Recommended for standard-compliant operation.

What wood moisture content is permissible?
Maximum 20%.

Where does the cleaning take place?
Accessible via cleaning lever and maintenance door from the outside.

Conclusion

The ROJEK PK BIO 25 is an efficient solution for medium heat requirements and combines robust technology with modern emission compliance.