Written on: 21/02/2013 by Swann (0 reviews written)
We've installed Viessmann boilers for over 6yrs now. The build quality of this boiler is much higher than anything else on the market. It is a high end boiler that is built to last. In the time we've been installing Viessmann boilers (80% of our installs) we've had 2 problem units. one was a gas valve on day one and the other was a pcb on christmas day. That said, we install these boilers because we know that we won't get many if any call backs on them due to their quality. It really is something that you can't say about worcester, Ideal & Vaillant.
The viessmann gas valve is also ready to take dirty gas from the east of our continent should the need arise (greater tolerance levels of gas quality).
I have a Viessmann fitted in my home. I fitted it without any protection like a magnet, so that i could see just how reliable/unreliable it was and also when it was likely to fail and what it would fail on (bit of an experiment).
Its never failed in the 6yrs its been in.
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