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  1. S.154-1 on Viessmann Vitodens 100 B1HE-199 - Heating Help

    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.

  2. Which Viessmann boiler to buy? — Heating Help: The Wall

    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 …

  3. Viessmann Fault F6 — Heating Help: The Wall

    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.

  4. Viessmann B1KE f380 faults — Heating Help: The Wall

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

  5. Buderus vs. Viessmann — Heating Help: The Wall

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

  6. Viessmann with Riello Question — Heating Help: The Wall

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

  7. Viessmann Vitodens 100-W trouble maintaining temperature

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

  8. How to Choose Between 3 Proposed Boilers - Heating Help

    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 …

  9. Low-Loss Header: am I understanding this correctly?

    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 …

  10. East Coast IBC Boiler Experiences, anyone? - Heating Help

    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.