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Vitoplex 300

Viessmann Commercial Fuel Oil Boiler
Vitoplex 300
Low Temperature Oil/Gas Boiler

Vitoplex 300

Low temperature oil/gas boiler with multi layered convection heating surfaces made from triplex pipes.

  • Rated heating output: 405 to 2000 kW
  • Standard seasonal efficiency [to DIN] using fuel oil: 90 %
  • Integral Therm-Control start-up system
  • Multi layered convection heating surfaces
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Features

High Seasonal Efficiency (DIN)

Achieves a standard seasonal efficiency of up to 90% (Hs) when operated with fuel oil, ensuring economical operation.

Multi‑Layered Convection Heating Surfaces

Designed for high operational reliability and long service life, even under continuous load conditions.

Integral Therm‑Control Start‑Up System

Replaces the need for: shunt pumps constant return temperature raising significantly reducing installation time and system costs.

Optional Condensing Technology

With an optional stainless steel flue gas/water heat exchanger, the boiler can utilise condensing technology for higher seasonal efficiency.

Control / Integrations

Easy‑to‑Use Vitotronic Control Unit

Equipped with a colour touchscreen, providing intuitive operation, clear system overview, and guided parameter setting.

Economical and Safe Operation

The Vitotronic digital control system ensures precise temperature control, safety monitoring, and efficient load management.

Standardised LON Bus Interface

Allows full integration into building management systems (BMS) for:

Central monitoring
Fault reporting
Energy optimisation

Designed for Complex Heating Systems

Suitable for multi‑boiler plants, district heating applications, and large technical installations.

Technical Documents

Document Name Description Document Type Language Action
Technical Data Manual Vitoplex 300 PDF English Download

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