The modulating ratio of the Viesmann Vitodens 100W is up to 1:6. This high ratio makes these boilers particularly suitable for use in small apartments and well insulated buildings. The user benefits from fewer appliance start-ups and therefore less operating noise.
Viessmann Vitodens 100W Features
- Available as a system or combi boiler
- Compact design & low weight
- Quiet operation
- Backlit LCD Touch screen display