Viessmann Vitodens 111-W Storage Combi review
Brand scoreShow Context

- Gas
- Storage Combi
If you'd like the space-saving advantages of a combi but need a little more hot water, a storage combi like the Viessmann Vitodens 111-W could offer the best of both worlds. There are two boilers in the 111-W range, both with a 46-litre hot water storage tank fitted inside the casing, which gives them a faster flow rate. Read our full review to find out whether the Viessmann Vitodens 111-W Storage Combi is the right boiler for your home, and how satisfied Viessmann owners are with this brand of boiler.
- Pros and cons
- Heating engineer views
- What type of home is this boiler suitable for?
- Will this boiler produce enough hot water for my home?
- How efficient is this boiler?

Technical specifications
General
- Overall warranty in years-
- Manufacturer phone number01952 675000
- Manufacturer websiteWww.viessmann.co.uk
Brand scores
The overall Which? test score is made up of the following star ratings, all determined by our rigorous lab tests.
Find out how we assess boilersPut us to the test
Our Test Labs compare features and prices on a range of products. Try Which? to unlock our reviews. You'll instantly be able to compare our test scores, so you can make sure you don't get stuck with a Don't Buy.
Put us to the test
Our Test Labs compare features and prices on a range of products. Try Which? to unlock our reviews. You'll instantly be able to compare our test scores, so you can make sure you don't get stuck with a Don't Buy.
Suggested alternatives
Related articles
Best boiler brands
Our independent research reveals the best and worst boiler brands, based on the experiences of owners and impartial opinions of real boiler engineers. The worst manufacturer scored a pitiful two stars for reliability.
Buying a new boiler
Need a new boiler? Here's everything you need to know about buying a boiler, including how much it costs, if you can get it for free, as well as the pros and cons of combis, heat-only and system boilers.
How to buy the best boiler
Expert advice on how to buy the best boiler for your home, including picking the right type, size and brand. We compare combi, heat-only and system boilers and let you know which is best for your home so you make the right choice.