I have had a Viessmann Vitodens 100-W 35 kW boiler for almost 3 years in a 2 bed bungalow. I am yet to get a single drop of hot water out of it! At best warm water. Since installation it has broken down twice and I have used three separate engineers (two of them were Viessmann approved). I sent the guarantee paperwork to Viessmann and got nothing back. I can provide proof of purchase and photo. This boiler does not boil water. It is troublesome and absolutely rubbish. I regret buying it and strongly recommend against it.
4 years ago
Viessmann Limited has a
4.3
average rating
from
1,036
reviews
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