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 4.8 stars

1,929 reviews

 4.8 stars

1,929 reviews

Viessmann Vitodens 050-W B0KA 25 kW Combi

Viessmann Vitodens 050-W B0KA 25 kW Combi Boiler
Typical Price (inc VAT)
£930
Typical installation Cost (inc VAT)*
£500 - £1000
Sundries (Filter, Flue, etc)
£300
Total Cost
£1,730 - £2,230
Make Viessmann
Model Vitodens 050-W B0KA 25 kW Combi
Is Condensing Condensing
Efficiency Rating 92%
Band Rating A Rating
LPG Compatible Yes
Standard Warranty 3 years
Central Heating Max. Output 25kW
Mounting Wall Mounted
Flow Rate 12.2 l/min
Typical Price (inc VAT) £930
Typical installation Cost (inc VAT)* £500 - £1000
Sundries (Filter, Flue, etc) £300
Total Cost £1,730 - £2,230
ERP Rating A Heat, A Water
Hot Water Max. Output 29.6kW

* This is a guide price for a straightforward, like-for-like boiler replacement. Installation costs will vary dependent on work required.

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Viessmann Vitodens 050-W B0KA combi gas boiler at a glance

  • - Suitable for: Small-to-medium homes, up to 16 radiators and 1 bathroom
  • - Fuel: Gas
  • - Type: Combi / Condensing
  • - Central Heating (CH) output: 25kW
  • - Domestic Hot Water (DHW) output: 29.6kW
  • - Efficiency: 92% efficiency / ErP A-rating for heating and hot water
  • - Typical total cost: £1,340 - £2,000

Is a Vitodens 050-W combi gas boiler suitable for my home?

Viessmann’s Vitodens 050-W B0KA combi boiler has a central heating output of 25kW. This makes it suitable for homes with up to 16 radiators. This is the most powerful combi boiler in the 050-W range and it will save space in your home since combi boilers operate entirely from only one unit. Therefore, the Vitodens 050-W is best suited to small-to-medium homes.

What is the output range of a Viessmann Vitodens 050-W B0KA?

Combi boilers have an output rating for central heating (CH) and domestic hot water (DHW). The Viessmann Vitodens 050-W B0KA comes with an adjustable CH output range of 3.2-25kW and a DHW output of 29.6kW.

With this power output, the Viessmann Vitodens 050-W B0KA 25kW will suit small-to-medium homes with 12-16 radiators and 1 bathroom. Viessmann’s boiler range does include a storage combi boiler with a CH output of 35kW, which might be a better fit for homes with especially high hot water demands.

What is the size of the Vitodens 050-W B0KA combi gas boiler?

The 050-W B0KA has dimensions of 700x400x300mm (HxWxD). It also weighs just 35kg. It’s lightweight, compact, and operates at low noise levels meaning it can be kept inside a standard kitchen cupboard.

Viessmann Vitodens 050-W combi gas boiler price

The typical cost for a Vitodens 050-W combi boiler is between £840 - £1,000. The total cost ranges from £1,340 - £2,000, including the cost of installation, between £500 - £1,000. Fixtures and fittings, such as the flue pipe and filter, will usually cost an additional £300.

Get the best deals for this combi gas boiler

There can be some variance in terms of installation time and costs, depending on your household's specific requirements. To avoid overpaying for the cost of a new Vitodens 050-W, we recommend comparing installation quotes from local engineers to find the best deals for your home.

Rather than spending unnecessary time searching for quotes yourself, you can leave it to us at Boiler Guide to connect you to up to 3 trusted engineers, all of which are Gas Safe or OFTEC licensed. Our custom form is quick and easy, and our quotes are free with no obligation!
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Warranty on the Viessmann 050-W combi gas boiler

The Vitodens 050-W boiler range comes with 3 years parts and labour warranty as standard, with the possibility to extend to 7 years if your boiler is installed by a Viessmann accredited engineer.

Viessmann also offers a chargeable upgrade to 10 years, within certain terms and conditions, such as ensuring your boiler receives annual Gas Safe service checks. This maximum warranty cover will give you peace of mind for most of the boiler's lifetime.

Reviews of the Viessmann Vitodens 050-W combi gas boiler

Viessmann is a renowned manufacturer of heating and cooling solutions in the UK. They also rank within the top 5 boiler brands in the country, according to the Home Heating Survey conducted by Boiler Guide.

On Trustpilot, Viessmann UK receives a score of 4.4 out of 5. The Vitodens boiler range is well regarded for its quiet operation, ease of use and efficient hot water convenience. Reviews also remark on the reliable installer and customer service from the Viessmann team.

In particular, the Vitodens 050-W was awarded a Which? Best Buy for gas combi boilers in September 2021.

FAQ

What kW is a Vitodens 050-W?
Viessmann’s Vitodens 050-W range comes with a central heating output rating of 19kW and 25kW. For domestic hot water, these are rated 25.4kW and 29.6kW, respectively. This range is best suited to smaller homes with 1 bathroom and up to 16 radiators.

What is the life of a Viessmann boiler?
A Viessmann boiler’s typical lifespan is 15, up to 20 years. Annual service checks will help extend its life for as long as possible. An outdated boiler will require more frequent maintenance, in which case, it’s more economical to replace it.

Is Viessmann a good company?
Viessmann is highly rated among boiler manufacturers across the UK. They combine German engineering with over 40 years of experience in the UK market to offer quality engineering across a range of heating, cooling and hot water solutions. The Vitodens boiler range has also garnered Which? Best Buy for gas boilers in September 2021.

Is Vaillant better than Viessmann?
Both Vaillant and Viessmann are well-regarded manufacturers in the UK today. Although Vaillant is among the leading brands in the UK, Viessmann offers considerably more affordable prices. Both brands offer a standard warranty between 2-5 years across their boiler products.

How much does a Viessmann boiler cost?
The typical price for a Viessmann Vitodens 050-W B0KA 25kW model is £930. Including installation, this reaches a total cost between £1,840 - £2,100. The cost of sundries, ie. any fixtures and fittings, will cost an additional £300.

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0330 808 0405
4.7/5 out of 26,469 reviews

1,8 million quotes provided in 10 years

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