Pellet burner for an old boiler: How to switch from wood to coal to pellets with Niko Therm RB Star?

95f9441c eeec 4cfc 8e17 8346b0a4f050.png

With the development of technology and the alternatives
available on the market, we present the advantages of
the well-known RB Star burner –
now under the Niko Therm brand.



RB Star makes it easy to switch from
one energy source to another.

One of the most frequently asked questions is: “Do I need to replace my boiler to switch to pellets?”

With a suitable solid-fuel boiler, the answer is NO.

RB STAR is designed to be installed on an existing heating system,
with installation and setup taking approximately 4 hours.

In the video, we also answer other frequently asked questions: 

See why RB STAR is your solution:

Why choose RB Star?

Compatible with solid-fuel boilers

No reconstruction of the heating system is required. You can use your existing boiler.

A wide range of outputs: from 20 to 100 kW

Available in 20, 30, 50, 70 and 100 kW. The appropriate output depends on the building and its insulation.

Installation in approximately 4 hours

Fast installation and setup on a suitable existing system with a wood- or coal-fired boiler.

Flexibility in fuel selection

One of the key advantages of RB Star is its ability to work with different fuels. RB Star works with wood pellets, agro-pellets and calibrated wood chips. The controller can store up to 4 fuel profiles, making setup easier when changing fuel or supplier. 

Torrefied pellets2 967x450 1.jpg
Chatgpt image nov 10 2025 12 27 10 pm.png

Maximum automation and everyday convenience

RB STAR is designed for heating with minimal daily intervention. Installation and setup can be completed without reconstructing the existing heating system. The burner operates automatically, while the self-cleaning system removes accumulated ash without interrupting the combustion process.

Control from your phone

With the NRM-W3 Wi-Fi module, you can control the burner remotely and use a weekly programmer. Safety features include protection against flame backflow and a dust-resistant photo sensor.

The NRC-6 control module has a 2.4″ color display and intuitive menu. Ignition takes approximately 2 minutes, while the heater is designed for up to 10,000 cycles.

Wifi 768x802 1 287x300 1.png
Gorelka rb 1024x714 2.png

What do you get with RB Star?

  • Three stages of power modulation
  • Self-cleaning without interrupting combustion
  • Fast ignition – approximately 2 minutes
  • Heater lifespan of up to 10,000 cycles
  • Low heater consumption – 121 W
  • Protection against flame backflow and inlet pipe overfilling
  • Dust-resistant photo sensor
Scroll to Top