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 4.8 stars

1,928 reviews

 4.8 stars

1,928 reviews

Viessmann Vitodens 111-W 25kW Storage Combi Gas Boiler

Viessmann Vitodens 111-W 25kW Storage Combi Gas Boiler Boiler
Typical Price (inc VAT)
£1,836
Typical installation Cost (inc VAT)*
£500 - £1000
Sundries (Filter, Flue, etc)
£300
Total Cost
£2,636 - £3,136
Make Viessmann
Model Vitodens 111-W 25kW Storage Combi Gas Boiler
Is Condensing Condensing
Efficiency Rating Up to 98%
Band Rating A Rated
LPG Compatible Yes
Standard Warranty 5 years
Central Heating Max. Output 25kW
Mounting Wall-mounted
Flow Rate 20.1 l/min
Typical Price (inc VAT) £1,836
Typical installation Cost (inc VAT)* £500 - £1000
Sundries (Filter, Flue, etc) £300
Total Cost £2,636 - £3,136
ERP Rating A Heat A Hot Water
Hot Water Max. Output 30.3kW

* 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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4.7/5 out of 26,467 reviews

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Viessmann Vitodens 111-W 25kW storage combi gas boiler at a glance

  • - Suitable for: medium-sized properties with up to 10 radiators, 1-2 bathrooms, and a large hot water demand
  • - Fuel: Gas. Also compatible with LPG. Certified to run on a 20% hydrogen blend
  • - Type: Storage Combi / Condensing
  • - Max. Central Heating (CH) output: 25kW
  • - Max. Domestic Hot Water (DHW) output: 30.3kW
  • - Efficiency: Up to 98% efficiency / ErP A-rating for heating and hot water
  • - Typical total cost: £2,636 - £3,136

Is a Viessmann Vitodens 111-W 25kW storage combi gas boiler suitable for my home?

This Viessman boiler is a storage combi boiler that is able to supply a high hot water demand even to homes with limited space. It combines a system boiler with a combi boiler by having an internal hot water cylinder, instead of an external one.

This makes them a suitable boiler for small homes that need lots of hot water. And unlike normal combi boilers, you won't need to sacrifice water pressure when running multiple taps simultaneously.

What is the output range on this storage combi boiler?

As a combi boiler, the Viessmann Vitodens 111-W 25kW has two output sizes to supply both heating and hot water. You can expect 25kW for central heating (CH) and 30.3kW for domestic hot water (DHW). This output range makes this boiler suitable for homes with up to 10 radiators.

What is the size of the Viessmann Vitodens 111-W 25kW storage combi gas boiler?

The Viessmann Vitodens 111-W 25kW’s size is 600mm x 950mm x 500mm (WxHxD). Because this boiler is larger than the average cupboard sized boiler, it also means it’s heavier. Its weight totals 68kg. Ideal places to put this wall-mountable boiler is in a cupboard or a utility room.

Viessmann Vitodens 111-W 25kW storage combi gas boiler price

The average price of the Viessmann Vitodens 111-W 25kW storage combi gas boiler is £1,836 (inc. VAT. exl. installation). The value of this boiler comes from the fact that it combines the benefits of a system and combi boiler into one unit. However, any total cost of a new boiler will vary depending on the installation complexity. You can then expect your total cost to range somewhere between £2,636 and £3,136.

Get the best deals for this storage combi gas boiler

The prices listed above are just estimates because, as we mentioned, the final price of a new boiler will largely depend on the installation costs. Therefore, to find the best deal for this boiler, you’ll want to start by comparing the prices from different installers. We highly recommend comparing the prices from up to 3 different installers.

If you're looking for professional heating installers and the best deals on boilers, use Boiler Guide. We'll connect you with reliable installers in your area who can provide quick quotes and free no-obligation estimates. Start by filling in our quick and easy form here.

Warranty on the Viessmann Vitodens 111-W 25kW storage combi gas boiler

The Viessmann Vitodens 111-W 25kW storage combi gas boiler’s standard warranty is 5 years. All of the Viessmann boiler warranties include parts and labour costs. The warranty can be extended to 12 years (at a cost) if it is installed by a certified Viessmann installer. Please note that the warranty is only valid if you register your installation with Viessmann within 30 days of the installation.

Reviews of the Viessmann Vitodens 111-W 25kW storage combi gas boiler

You’ll be happy to know that reviews of the Viessmann Vitodens 111-W 25kW storage combi gas boiler are very positive. As a manufacturer, Viessmann has been rated 4.3 stars out of 5 from over 3,800 reviews. Many reviews who replaced their old boiler with a Viessmann boiler highlight the easiness and speed of the boiler fitting as well as how efficient the boilers work.

FAQ

Is Viessmann a good company?
Yes, according to Viessmann reviews, many customers have had very positive experiences with buying and fitting a new boiler into their home. On Trustpilot, from over 3,800 reviews, they are rated 4.3 stars out of 5.

How long do Viessmann boilers last?
Viessmann boilers have an average lifespan of 15 to 20 years. If you’re worried about the quality of your boiler, you’ll have the security knowing that the standard warranty of the Viessmann Vitodens 111-W 25kW storage combi gas boiler is 5 years, with the possibility to extend to 12 years.

Are storage combi boilers any good?
The Viessmann Vitodens 111-W 25kW is a storage combi gas boiler that’s great for small homes with large hot water demands. Storage combi boilers are able to combine the benefits of a system and combi boiler all into one unit.

Is Viessmann better than Vaillant?
Both Viessmann and Vaillant are highly reputable brands from the UK. However, according to Trustpilot ratings, Vaillant takes the lead with 4.6 stars out of 5 from over 18,000 reviews. However, Viessmann reviews are not far behind with 4.3 stars.

Get your best deal

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  • Quotes from local engineers
  • Get quotes today, installed tomorrow
  • Finance options available
  • Save up to £500 on installation
Get Quotes Now It only takes 30 seconds
0330 808 0405
Call us to get quotes

We will get you the best deal!

0330 808 0405
4.7/5 out of 26,467 reviews

1,8 million quotes provided in 10 years

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