Vitoladens 300-C

Viessmann Commercial
Vitoladens 300-C
Oil Condensing Boiler

Vitoladens 300-C

Condensing boiler technology with an excellent price-performance ratio – particularly space-saving and ideal for modernization

  • Nominal heat output: 10.3 to 28.9 kW
  • Standard utilisation rate: up to 98 % (Hs)
  • Energy efficiency class A (scale from G to A+++)
  • All commercially available low-sulphur heating oils EL, Green fuels ready

Features

Very High Efficiency

Achieves a standard utilisation rate of up to 98% (Hs), ensuring economical use of heating oil and reduced operating costs.

Compact Floor‑Standing Design

The space‑saving construction allows easy installation, particularly in boiler replacement and modernisation projects.

Inox‑Radial Stainless Steel Heat Exchanger

The corrosion‑resistant Inox‑Radial heat exchanger ensures reliable condensing operation, high efficiency, and long service life.

Flexible Blue Burner Technology

Available with two‑stage or modulating compact blue burners, suitable for: room‑air‑dependent operation room‑air‑independent (room‑sealed) operation

Control / Integrations

Vitotronic Digital Control System

Intelligent management of boiler operation, heating circuits, and safety functions.

Clear User Interface

Plain‑text guidance and graphical display simplify daily operation for homeowners and technicians.

Remote Monitoring via Vitoconnect

Optional internet connectivity allows:

system monitoring
fault notifications
faster service response

Hybrid System Integration

Designed for seamless integration with:

solar thermal systems
buffer tanks
future renewable heating technologies

Technical Documents

Document Name Description Document Type Language Action
Brochure Vitoladens 300‑C PDF German Download
Data Sheet Vitoladens 300‑C PDF English Download
Technology brochure Vitoladens 300‑C PDF English Download

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