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Vitoligno 250-S

Viessmann Residential
Vitoligno 250-S
Log boiler

Vitoligno 250-S

Viessmann Vitoligno 250‑S – Log Boiler
High‑efficiency wood gasification log boiler delivering 85 to 170 kW, designed for half‑metre and metre logs, featuring advanced combustion control, large fuel capacity, and convenient operation for residential, agricultural, and commercial applications.

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Features

  • Clean & Efficient Combustion

    Advanced wood gasification technology Boiler efficiency up to 93.2% Lambda sensor control ensures optimum combustion Low emissions across all operating conditions Continuous combustion optimization through intelligent controls

  • Intelligent Combustion Management

    Microprocessor control continuously monitors: Combustion conditions Heat demand Heat distribution Motorized air flaps automatically regulate airflow Optimized performance during: Ignition Full load operation Burn‑out phase

  • Large Filling Chamber

    Large loading volume of 375 to 500 litres Convenient top‑loading design Filling chamber width of 1080 mm Suitable for metre‑long logs Fewer refueling intervals and increased operating comfort

  • Flexible Fuel Capability

    Supports multiple fuel types: Firewood logs Wood briquettes Loose wood residues Lumpy residual wood Tolerant of impurities such as: Nails Screws Other embedded contaminants

  • Optimized Thermal Storage Integration

    Built‑in buffer charge management Accurate temperature stratification of buffer tanks Buffer accumulator control valve helps preserve thermal layers Improves overall system efficiency

  • Residual Heat Utilization

    Maximizes remaining thermal energy after combustion Delivers up to 8% additional energy utilization Reduces fuel consumption Improves overall heating efficiency

Technical Documents

Document NameDescriptionDocument TypeLanguageAction
Datasheet - Vitoligno 250-SPDFGerman Download
Brochure - Vitoligno 250-SPDFGerman Download
Technology Brochure - Log BoilersPDFGerman Download

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Vitoligno 250-S
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