Vitoligno 250-S

Viessmann Lump wood boiler
Vitoligno 250-S
Log boiler

Vitoligno 250-S

Log boiler for half-metre and metre logs

  • Nominal heat output: 85 to 170 kW
  • Clean and efficient combustion
  • Large filling chamber
  • Extension kits available

Vitoligno 250-S

The Vitoligno 250‑S is a high‑capacity log boiler designed for commercial buildings, agricultural applications, large residential properties, and district heating systems. With a heating output range from 85 to 170 kW, it delivers powerful, efficient, and reliable renewable heat using log wood and alternative solid fuels.

Its large filling volume, high fuel flexibility, precise combustion control, and advanced buffer management make the Vitoligno 250‑S an ideal solution for users seeking maximum efficiency, long refuelling intervals, and low emissions in demanding applications.

Vitoligno 250-S

High Heating Output Range

The Vitoligno 250‑S covers outputs from 85 to 170 kW, making it suitable for large heat demands and continuous operation.

Top‑Loading for Half‑Metre and Metre Logs

Designed for 0.5 m and 1.0 m logs, the top‑loading design ensures easy handling and efficient fuel loading.
 

Exceptional Fuel Flexibility

In addition to log wood, the boiler can burn wood briquettes, residual wood with shavings, and coarse residual wood, providing flexibility in fuel sourcing.

Constantly Regulating Air Flaps

Automatically controlled air flaps optimise both heating and burn‑out phases, improving efficiency and reducing residual fuel losses.

Precise Buffer Tank Stratification

The buffer accumulator control valve ensures exact temperature stratification in the heating water buffer tank, preventing disruption by return flow.

Factory Pre‑Wired & Plug‑In Wiring

Supplied pre‑wired with plug‑in connections, simplifying installation and reducing commissioning time.

Advanced Control System

Intelligent boiler control manages combustion, power output, buffer charging, and safety functions automatically.

Buffer Tank Integration

Optimised interaction with buffer tanks ensures stable operation and maximum efficiency.

Remote Control Options

Optional Vitotrol 350‑C and ViCare app provide flexible remote operation and monitoring.

Integration into Large Heating Systems

Designed for seamless integration into complex heating systems serving multiple consumers.

Document Name Description Document Type Language Action
Brochure Vitoligno 250-S PDF German Download
Data Sheet Vitoligno 250-S PDF English Download
Technology brochure Log Boilers PDF English Download
Why is the Vitoligno 250‑S suitable for very high heat demands?

Its high output range, large fuel loading volume, and robust construction allow stable operation even under continuous high load.

What advantage does fuel flexibility provide?

Fuel flexibility allows users to choose the most economical or locally available wood fuels, reducing long‑term operating costs.

How do long refuelling intervals improve daily operation?

Large filling volumes mean fewer refuelling cycles, saving time and improving user convenience.

Can the boiler tolerate impurities in the fuel?

Yes. The combustion system is insensitive to common impurities, such as nails or screws, improving operational robustness.

Similar Products

Vitoligno 250-S
Log boiler

Vitoligno 250-S

Boiler for half-meter and one-meter logs Rated heat output: 85 – 170 kW

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