Gas condensation boiler Viessmann Vitodens 200-W B2KH combined, 25kW

Viessmann Vitodens 200-W B2KH – Gas Condensing Combi Boiler (25 kW)

The Viessmann Vitodens 200-W B2KH (25 kW) is a premium wall-mounted gas condensing combi boiler, designed to deliver both space heating and instantaneous domestic hot water in one ultra-quiet and compact unit. This smart, hydrogen-ready appliance is ideal for modern homes looking for maximum efficiency, hot water comfort, and advanced control.

With a modulation range of 1:17, the boiler adjusts power with incredible precision, resulting in up to 98% seasonal efficiency. The combination of MatriX-Plus burner, Inox-Radial stainless steel heat exchanger, and Lambda Pro Plus combustion control ensures exceptional performance and longevity.

Key Features and Benefits

✔ Output Range: 1.6 – 25.0 kW (modulating 1:17)
✔ DHW Flow Rate: Up to 15.5 L/min at ΔT 30 °C
✔ Energy Efficiency Class: A / A+ at 35 °C flow temperature
✔ Seasonal Efficiency (Hs): up to 98%
✔ Burner: MatriX-Plus + Lambda Pro Plus combustion control
✔ Heat Exchanger: Inox-Radial – corrosion-resistant stainless steel
✔ Hydrogen Ready: Certified for use with up to 20% H₂
✔ Smart Control: Built-in Wi-Fi, 7” touchscreen (Viessmann Energy Cockpit)
✔ Quiet Operation: <35 dB(A) – ideal for living spaces
✔ Dimensions: 450 × 360 × 700 mm
✔ Compact Design: Heating + DHW in one sleek unit

Vitodens 200-W B2KH (25 kW) offers best-in-class efficiency, silent comfort, and intelligent hot water delivery — perfect for demanding and energy-conscious homes.