ROJEK KTP 20 wood gasification boiler 20 kW

The ROJEK KTP 20 is a manually fed wood gasification boiler with a nominal output of 20 kW for heating single-family homes and smaller commercial properties.
It impresses with its robust steel construction, controlled airflow and tested safety according to EN 303-5.

Highlights & Advantages

⭐ 20 kW heating output – ideal for single-family homes
⭐ Firewood up to 33 cm – convenient loading
⭐ Manual & thermostatic power control
⭐ Energy efficiency class A+
⭐ Suitable for buffer storage operation

Area of ​​application & Target audience

The KTP 20 is suitable for buildings with a heat demand of up to 20 kW. Typical applications include single-family homes, small workshops, or outbuildings.

The operation uses untreated firewood with a recommended residual moisture content of no more than 20%.

Technology & equipment

• Welded steel structure

• Water-cooled grill

• Adjustable primary and secondary air

• Thermostatic draft regulator RT3

• Integrated pressure gauge and thermometer

• Flow/return connection: G 2"

• Required chimney draft: 8–12 Pa

• Integrated after-cooling loop

Efficiency & Environment

• Efficiency: 75%

• Energy efficiency class: A+

• CO emission (10% O₂): 533 mg/m³

• Exhaust gas temperature: 220-300°C

Operation with a buffer storage tank is recommended to increase efficiency.

Technical data

Scope of delivery

• ROJEK KTP 20

• Operating instructions

• Heating system outlet valve 1/2"

• Thermostatic draft regulator RT3

• Side ceramics

• alignment screws

Assembly & Safety instructions

Installation and commissioning must be carried out exclusively by a specialist company.
The connection of an after-cooling loop is mandatory.
Use only untreated, dry firewood.

FAQ

Is a buffer storage tank required?
Not technically necessary, but highly recommended.

How long can the wood be?
Maximum 33 cm.

What chimney draft is necessary?
8–12 Pa.

What is the operating pressure?
Maximum 2 bar.

Is a safety valve required?
Yes, a safety valve must be installed in the heating system.

Is the valve for the after-cooling loop included?
No, the thermostatic valve is not included.

Conclusion

The ROJEK KTP 20 is a reliable solution for smaller heating loads and impresses with its simple technology, robust construction and standard-compliant safety.