Viessmann Boilers

Our most-recommended boilers in Cardiff and South Wales

Viessmann Boilers are the professional's choice - Superior German build quality and exceptional performance, combined with Viessmann's reputation for reliability matched with the most comprehensive warranties make Viessmann our number one choice.  Not just our first choice as Viessmann boilers achieved Which best buy status in 2017, 2018 and again in 2019. All Viessmann Boilers incorporate patented Innox stainless steel heat exchangers, outperforming any boiler in its class. All Viessmann Boilers come with 10 year warranty on heat exchangers.

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Viessmann Boilers

We are Viessmann-Approved Installers
That means that through us, not only do you get great customer service and aftercare, you get years more warranty on all Viessmann boilers.

The German manufacturer Viessmann, has been deep in the heating and boiler industry for over a century. Using their experience in commercial heating, they have been able to break into the domestic market over several years with some of the best boilers available today. B T Morgan Heating Engineers recommend the Viessmann Vitodens 050, Viessmann Vitodens 100-W and the Viessmann Vitodens 111-W.

Vitodens 050-W Boiler

Viessmann Vitodens 050 Combination Boiler

As a leading example of a strong and reliable combi boiler, the Viessmann Vitodens 050-W is a premium, affordable boiler, with an extended warranty of 10 years. It's fitted with an Inox-Radial Stainless Steel heat exchanger, which is patented/made by Viessmann themselves.

Key Features of the Viessmann Vitodens 050 Combi Boiler:

  • Energy Efficiency Rating: A
  • Compact Size (400mm x 707mm x 350mm)
  • High quality stainless steel Inox-Radial heat exchanger
  • Digital user interface with LCD display for easy operation
  • Compatible with Boiler Plus Legislation
  • Efficiency levels available up to 97%
  • Reduced carbon footprint with low CO2 emissions
  • Hot water output ranging from 5.9 to 29kw and 8 to 35kw
  • Wireless programmable heating controls and smart learning thermostat compatible
  • LPG Compatible/Simple conversion
  • Built in frost stat
  • Quietest boiler on the market – 29kw 45 decibels and a 35kw at 48 decibels
  • Modulation range of up to 1:4
  • Modulating high efficiency stainless steel cylinder burner
  • Combined PRV and condensate connection, for fast and simple installation
  • High efficiency A rated pump

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Vitodens 100-W Boiler

Viessmann Vitodens 100-W Combination Boiler

Viessmann have produced another award winning boiler in the Viessmann Vitodens 100-W, its compact in design and weight, which allows you many options where you can install this boiler. It is a quiet, efficient, and modern condensing boiler with a combined prv and condensate. It also comes with a 10 year extended warranty and Inox-Radial Stainless Steel heat exchanger. This boiler is one of Viessmann’s most popular throughout the range!

Key Features of the Viessmann Vitodens 100-W Combi Boiler:

  • Energy Efficiency Rating: A
  • High quality stainless steel Inox-Radial heat exchanger
  • LPG Compatible/Simple conversion
  • Viessmann 100-w Combi boiler available from 26kw – 35kw
  • Compact Size (70mm x 400mm x 350mm)
  • The modulating stainless steel cylinder burner operates at a ratio of 1:6
  • User friendly control via backlit LCD touchscreen
  • Straightforward access from the front, therefore no space is needed at the side for maintenance
  • Combined PRV and condensate connection, for fast and simple installation
  • Quiet operating noise between 48 – 49 decibels
  • Officially endorsed by Which?

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Vitodens 100-W Boiler

Viessmann Vitodens 100-W System Boiler

Key Features of the Viessmann Vitodens 100-W System and Open Vent Boiler:

  • Energy Efficiency Rating: A
  • High quality stainless steel Inox-Radial heat exchanger
  • LPG Compatible/Simple conversion
  • Open Vent boiler is available from a 19kw – 35kw
  • Compact Size (H 600mm x W 375mm x D 285mm) (Depth 340mm for the 35kw)
  • Perfect for integration into standard kitchen cupboards.
  • A Matrix Cylinder Burner giving a Modulation ratio of 1:3
  • No pump overrun required (Aids to simple installation)
  • Min static head 1M
  • You can use existing heating controls or operational room stats including smart controls
  • Quiet operating noise ranging between 45 – 48 decibels
  • Optional Weather Compensation
  • Ideal for Y and S plan Systems (Whilst being specifically designed for open vent heating systems, the Vitodens 100-W Open Vent is suitable for sealed systems using an additional expansion vessel and safety valve)

Viessmann Vitodens 100-W System Boiler Only – Main Features

The System version’s power output ranges between 19-35kw, also meeting G3 building regulations if combined with a Viessmann 4-pipe system and unvented cylinder (Vitocell 200 or 300). This removes any need for an energy cut-off valve and cylinder overheat thermostat, because they are integrated into the boiler itself.

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Vitodens 111-W Boiler

Viessmann Vitodens 111-W Storage Combination Boiler

The Viessmann 111-W is an excellent example of advanced design and engineering. This boiler comes complete with its own cylinder loading system, along with a 46 litre storage tank (equivalent to a 150 litre unvented cylinder) and its made from stainless steel. This makes it ideal for larger properties that have 2 bathrooms, or a high demand for water at the same time – typically for a larger family. The Viessmann Vitodens 111-W comes as either a 26kw or a 35kw, the size you require is subject to your hot water requirements. It has a 10 year extended warranty and is a compact solution with no requirement for an external cylinder.

Key Features of the Viessmann Vitodens 111-W Storage Combination Boiler:

  • Energy Efficiency Rating: A
  • Modulation ratio up to 1:6
  • LPG Compatible/Simple conversion
  • User friendly control via backlit LCD touchscreen
  • Compact dimensions save space (900mm x 600mm x 480mm)
  • Available outputs range between 4.7 and 35kw
  • 46 litre stainless steel integrated storage tank (equivalent to a 150L storage cylinder)
  • Wall-mounted boiler – This allows more flexibility for where it can be positioned in your house
  • Low operating noise at 49 decibels
  • Combined PRV and condensate connection, for fast and simple installation
  • Wireless programmable heating controls and smart learning thermostat compatible
  • Straightforward access from the front, so no need to leave space at side for maintenance
  • Can fill a standard bath in just 8 minutes, whilst also supplying a sink or washbasin simultaneously

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Building Regulations Compliance
Viessmann Warranty Certificate

Every single installation comes
with a minimum 10 Year warranty and building regulation certification.

Any boiler installed in July and August includes:
Magnetic system filter and programmable room stat

Why not have a look at some of our blogs for more information

If you want to know more why not contact us, or email us at [email protected]. We are here to provide you with knowledgeable and expert advice for your new or replacement boiler installation.