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 …

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

Yet another Viessmann (ultra) short cycling post slisli Member Posts: 9 November 2023 Hi all, I own a Vitodens 200W B2HA series, 49KW. This is for a fairly large property. I have a low loss header, …

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.

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

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.

We have a 200000btu Vitodens 200w providing slab heat to a 6500 ft2 shop at work. Getting a repeated fault of EE combustion lockout.

In Nov 2013 I had a Viessmann certified rep install the new Vitodens 222-F boiler to for my new LP baseboard heating system.

Hello! Bit of a tragedy happened the week of Christmas and my 1989 Viessman Atola AR boiler died, leaving us without heat.

Viessmann is almost definitely not going to pay for labor, and to be honest I'm not convinced this is a failure of their device due to defect, but like I said they will definitely cover the part.