About a month ago I had a contractor install a Viessmann Vitodens 100 B1HE-199 boiler with an indirect tank LAARS LS-SS-50-L.

Viessmann Vitorond 100 (probably the best oil-fired boiler “currently” available). Viessmann Vitocrossal 300 CU3A (Gas condensing boiler but floor mounted and has 5 stages of modulation with a high …

Hi everyone, and Happy New Year. I have a Viessmann Vitodens 100 combi boiler. This morning the heat was off and fault code F6 was displayed.

Out of several installations of the new Viessmann models of boilers (B1ke/B1he), most have worked flawlessly.

Isn't 87% efficiency the same no matter who makes the boiler? C'mon what does the expensive one do the other don't?

Hello, I have a Viessmann Vitorond 200 oil boiler with a Vitotronic 100 control panel and a Riello F3 burner.

I have a 2017 Viessmann Vitodens 100-W condensing gas boiler connected to a radiant floor heating manifold. No external pump. 120m2 floor area.

Viessmann Vitodens 100 combi model B1KA125 (Viessman boilers make many top 5 five boilers lists in Canada, however, consumer reports don't seem great and I can't find reviews for this specific model).

Aug 1, 2012 · The installation instructions for my Viessmann LLH (pg. 49 of main install instructions) appear to indicate that the heating circuit flow rate must be greater than the boiler circuit flow rate …

So, it's decision time for the mod-con switchover. My two top contenders are the Lambda Pro from Viessmann (WB2-31) and the VFC 15-150 from IBC in Vancouver.