Gas condensation boiler Viessmann Vitodens 111-W B1LG with built-in 46l water tank, 19kW

Viessmann Vitodens 111-W B1LG – Gas Condensing Combi Boiler with Integrated 46 L Tank (19 kW)

The Viessmann Vitodens 111-W B1LG (19 kW) is a compact and powerful gas condensing combi boiler with an integrated 46-liter stainless steel loading cylinder, providing both space heating and high hot water availability in one unit. It’s ideal for family homes where comfort, space-saving design, and hot water on demand are priorities.

Featuring the MatriX-Plus burner, Inox-Radial stainless steel heat exchanger, and Lambda Pro Plus combustion control, this model ensures maximum efficiency, low emissions, and smart gas adaptation — ready for up to 20% hydrogen in the gas blend.

Key Features and Benefits

✔ Output Range: 1.9 – 19.0 kW (modulating 1:8)
✔ Integrated DHW Tank: 46 L stainless steel cylinder
✔ DHW Peak Flow: Up to 18 L/min at ΔT 30 °C
✔ Energy Efficiency Class: A / A+ at 35 °C flow temperature
✔ Seasonal Efficiency (Hs): up to 94%
✔ Burner: MatriX-Plus + Lambda Pro Plus combustion control
✔ Heat Exchanger: Inox-Radial – corrosion-resistant and long-lasting
✔ Hydrogen Ready: Supports up to 20% H₂
✔ Wi-Fi Connectivity: Built-in, compatible with ViCare app
✔ Dimensions: 600 × 480 × 900 mm
✔ Weight: 66 kg
✔ Quiet Operation: Low noise output, suitable for indoor living spaces

Vitodens 111-W B1LG (19 kW) offers a complete, space-efficient combi solution with high hot water comfort, A+ efficiency, and smart features for modern homes.