Vitoladens 300-T

Viessmann Fuel Oil Boiler
Vitoladens 300-T
Oil Condensing Boiler

Vitoladens 300-T

High‑Efficiency Oil Condensing Boiler

  • 101–545 kW output with up to 97%
  • Seasonal efficiency (PCS) and a durable
  • Stainless steel radial heat exchanger.

Vitoladens 300-T

The Vitoladens 300‑T is a high‑quality oil‑fired condensing boiler offering an attractive price/performance ratio, exceptional operational reliability, and a long service life. Designed as a floor‑standing solution, it is ideal for modernisation projects where oil heating remains the preferred or required energy source.
With a power range from 35.4 to 53.7 kW, the Vitoladens 300‑T covers a wide range of applications—from single‑family homes and apartment buildings to smaller commercial enterprises. Its use of proven materials and components ensures economical fuel consumption and low maintenance costs over the lifecycle.

Vitoladens 300-T

Durable Biferral Composite Heating Surface

The biferral composite heating surface, proven millions of times, ensures reliable heat transfer and long‑term durability.

Corrosion‑Resistant Inox‑Radial Heat Exchanger

The stainless steel radial heat exchanger provides excellent corrosion resistance and efficient condensing operation.

Quiet Operation

An integrated flue gas silencer ensures low noise levels, making the boiler suitable for installation close to living or working areas.

Wide Fuel Compatibility

Compatible with: all commercially available EL heating oils EL A Bio 10 (low‑sulphur heating oil with up to 10% FAME bio‑components) according to DIN SPEC 51603‑6.

Vitotronic Digital Control System

Intelligent control of boiler operation, temperature regulation, and system safety functions.

Clear User Interface

Plain‑text guidance and graphic display simplify daily operation for users and technicians.

Remote Monitoring via Vitoconnect

Optional internet connectivity allows:

System monitoring
Fault notifications
Faster service response

Hybrid & Solar Integration

Designed for easy integration with solar thermal systems, enabling partial renewable energy use.

Document Name Description Document Type Language Action
Operating Instructions Vitoladens 300-T PDF English Download
How does the biferral heating surface benefit long‑term operation?

It offers excellent thermal stability and durability, ensuring consistent performance over many years.

Why is the Vitoladens 300‑T a good choice for boiler replacement projects?

It combines compact floor‑standing design, high efficiency, and flexible installation options, making it ideal for replacing older oil boilers.

Is the Vitoladens 300‑T suitable for mixed residential and commercial use?

Yes. Its output range supports single‑family homes, apartment buildings, and small commercial applications.

Does the boiler require complex maintenance?

No. Easy access to heat exchanger surfaces and high‑quality components help keep maintenance effort and costs low.

Similar Products

Vitoladens 300-C
Fuel Oil Boiler

Vitoladens 300-C

How Can We Help?

Have a question that doesn’t fit a specific category? Reach out to our team here for all other support
and information

    Become a Dealer

    Get directed to our Business Development team to start the authorization process and discuss sales support.

    Technical Assistance

    Get specialized help with system sizing, load
    calculation analysis, and technical data required for project design.

    Aftermarket Service

    Request support for warranty claims,
    scheduled maintenance, and genuine spare
    parts ordering.

    For more information : ahi@ahi-carrier.com