Gas condensation boiler Viessmann Vitodens 111-F B1SG with built-in 130l water tank, 25kW

Viessmann Vitodens 111-F B1SG – Floor-Standing Gas Condensing Combi Boiler with 130 L Tank (25 kW)

The Viessmann Vitodens 111-F B1SG (25 kW) is a high-performance, floor-standing gas condensing combi boiler featuring an integrated 130-liter stainless steel DHW tank, delivering reliable space heating and high-volume hot water. It’s an ideal choice for larger homes or families with high hot water demand, combining storage and on-demand capacity in one sleek unit.

The boiler features a MatriX-Plus burner, Inox-Radial stainless steel heat exchanger, and Lambda Pro Plus combustion control, ensuring top efficiency, low emissions, and compatibility with gas blends up to 20% hydrogen.

Key Features and Benefits

✔ Output Range: 3.2 – 25.0 kW (modulating 1:8)
✔ Integrated DHW Tank: 130 L stainless steel storage cylinder
✔ DHW Peak Flow Rate: 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: Suitable for up to 20% H₂ mix
✔ Smart Control: Built-in Wi-Fi, ViCare app compatible
✔ Dimensions: 600 × 595 × 1625 mm
✔ Weight: ~120 kg
✔ Quiet Operation: Less than 35 dB(A)

Vitodens 111-F B1SG (25 kW) offers a complete premium heating and hot water solution, ideal for modern homes that require comfort, storage capacity, and A+ class energy efficiency.