Gas heating boilers

Viessmann Vitodens Classic – Gas Condensing Combi Boiler (25 kW)
The Viessmann Vitodens Classic (25 kW) is a compact and quiet wall-mounted gas condensing boiler, ideal for heating and domestic hot water in single-family homes and apartments. Its robust design, advanced burner technology, and stainless steel heat exchanger ensure maximum reliability and energy efficiency.
The boiler features the MatriX-Plus burner with Lambda Pro Plus combustion control, which automatically adjusts for gas quality and ensures clean and consistent operation.
Key Features and Benefits
✔ Output Range: 3.2 – 25.0 kW (modulating)
✔ DHW Flow Rate: Up to 14.1 L/min at ΔT 30 °C
✔ Energy Efficiency Class: A / A+ at 35 °C
✔ Seasonal Efficiency (Hs): up to 94%
✔ Inox-Radial Stainless Steel Heat Exchanger – Long-lasting and corrosion-resistant
✔ MatriX-Plus Burner + Lambda Pro Plus – Automatically adjusts to gas quality
✔ Compact Dimensions: 360 × 450 × 700 mm
✔ Weight: 33 kg
✔ Quiet Operation: Ideal for living spaces
✔ Hydrogen-Ready: Certified for up to 20% hydrogen blend
Vitodens Classic (25 kW) is a smart and space-saving boiler solution offering reliable heating, hot water, and A+ efficiency — perfectly suited for modern homes.
Viessmann Vitodens 050-W B0KA – Compact Gas Condensing Combi Boiler (19 kW)
The Viessmann Vitodens 050-W B0KA (19 kW) is a space-saving and highly efficient wall-mounted gas condensing boiler that offers heating and domestic hot water in a single unit. Ideal for apartments and small homes, it features quiet operation, excellent seasonal performance, and a durable stainless steel heat exchanger.
With a modulating MatriX-Plus burner, this model adapts power to demand for low fuel consumption and reduced emissions. Control is simple via an LCD display with touch buttons, and built-in Wi-Fi provides access through the ViCare app.
Key Features and Benefits
✔ Output Range: 3.2 – 19.0 kW (modulating)
✔ DHW Flow Rate: Up to 12.3 L/min at ΔT 30 °C
✔ Energy Efficiency Class: A / A+ at 35 °C
✔ Stainless Steel Inox-Radial Heat Exchanger – Long-lasting and corrosion-resistant
✔ MatriX-Plus Burner with Lambda Pro Control – Efficient and clean combustion
✔ Compact Dimensions: 400 × 360 × 700 mm
✔ Weight: 33 kg
✔ Hydrogen-Ready: Compatible with up to 20% H₂ blend
✔ Wi-Fi Connectivity: For ViCare app and remote control
✔ Low Noise Operation: Perfect for living spaces and kitchens
Vitodens 050-W B0KA (19 kW) offers quiet, reliable heating and hot water with energy class A+ performance at low-temperature operation — a smart and compact solution for modern homes.
Viessmann Vitodens 050-W B0KA – Compact Gas Condensing Combi Boiler (25 kW)
The Viessmann Vitodens 050-W B0KA (25 kW) is a compact, quiet, and efficient wall-mounted gas condensing boiler, delivering heating and domestic hot water in one slim unit. It’s ideal for apartments and family homes, offering long-lasting reliability, modern connectivity, and top seasonal efficiency.
Powered by the MatriX-Plus modulating burner and a corrosion-resistant Inox-Radial stainless steel heat exchanger, the 050-W ensures durable and clean operation. Built-in Wi-Fi allows smart control via the ViCare app.
Key Features and Benefits
✔ Output Range: 3.2 – 25.0 kW (modulating)
✔ DHW Flow Rate: Up to 14.1 L/min at ΔT 30 °C
✔ Energy Efficiency Class: A / A+ at 35 °C
✔ Seasonal Efficiency (Hs): up to 94%
✔ Heat Exchanger: Inox-Radial stainless steel – long service life
✔ Burner: MatriX-Plus with Lambda Pro combustion control
✔ Dimensions: 400 × 360 × 700 mm
✔ Weight: 33 kg
✔ Hydrogen Ready: Compatible with up to 20% H₂
✔ Wi-Fi Connectivity: Supports ViCare app
✔ Silent Operation: For discreet use in any living space
Vitodens 050-W B0KA (25 kW) offers modern heating and hot water comfort, smart control, and A+ energy efficiency — all in a compact format built for everyday performance.
Viessmann Vitodens 100-W B1HF – Gas Condensing Boiler with DHW Cylinder Connection (19 kW)
The Viessmann Vitodens 100-W B1HF (19 kW) is a compact, quiet, and efficient gas condensing boiler designed for heating only, with direct connection for an external DHW tank. It is ideal for new builds or modernizations where separate hot water storage is needed.
Equipped with Viessmann's Inox-Radial stainless steel heat exchanger and a MatriX-Plus burner, the B1HF delivers outstanding seasonal efficiency and low NOₓ emissions. Integrated Lambda Pro Plus combustion control ensures performance stability across gas types.
Key Features and Benefits
✔ Output Range: 1.9 – 19.0 kW (modulating 1:8)
✔ Energy Efficiency Class: A / A+ at 35 °C
✔ Seasonal Efficiency: Up to 94% (Hs)
✔ Heat Exchanger: Inox-Radial stainless steel – corrosion-resistant and durable
✔ Burner: MatriX-Plus with Lambda Pro Plus – stable, low-emission operation
✔ Smart Home Ready: Built-in Wi-Fi for use with ViCare app
✔ Quiet Operation: Exceptionally low noise output
✔ Hydrogen Ready: Suitable for operation with up to 20% H₂ gas blend
✔ Compact Design: Ideal for wall-mounted installation in technical rooms or utility spaces
✔ Supports External DHW Cylinder: Compatible with Vitocell systems
Vitodens 100-W B1HF (19 kW) is a smart, future-proof boiler offering high efficiency and seamless integration with DHW systems, ideal for energy-conscious households.
Viessmann Vitodens 100-W B1HF – Gas Condensing Boiler with DHW Cylinder Connection (25 kW)
The Viessmann Vitodens 100-W B1HF (25 kW) is a wall-mounted gas condensing boiler for heating only, equipped with a connection for external DHW cylinders. Designed for new homes and energy-efficient renovations, it combines high output, quiet operation, and modern control options via ViCare.
It features the MatriX-Plus burner and Inox-Radial heat exchanger, offering up to 94% seasonal efficiency. Its modulation ratio of 1:8 ensures low gas consumption, and Lambda Pro Plus technology guarantees combustion quality across varying gas types.
Key Features and Benefits
✔ Output Range: 3.2 – 25.0 kW (modulating, 1:8 ratio)
✔ Energy Efficiency Class: A / A+ at 35 °C flow temperature
✔ Seasonal Efficiency (Hs): up to 94%
✔ Heat Exchanger: Stainless steel Inox-Radial
✔ Burner: MatriX-Plus with Lambda Pro Plus combustion control
✔ Hydrogen Ready: Works with gas containing up to 20% H₂
✔ Smart Home Integration: Built-in Wi-Fi for ViCare app
✔ Dimensions: 400 × 360 × 700 mm
✔ Weight: 33 kg
✔ Quiet Operation: Less than 35 dB(A)
✔ Compatible with External DHW Tanks – Vitocell and others
Vitodens 100-W B1HF (25 kW) is the ideal choice for households needing reliable heating and flexible DHW options, while enjoying A+ class energy performance and remote smart control.
Viessmann Vitodens 100-W B1KF – Gas Condensing Combi Boiler (19 kW)
The Viessmann Vitodens 100-W B1KF (19 kW) is a compact and powerful wall-mounted gas condensing boiler, delivering both central heating and instant domestic hot water in one efficient unit. Designed for apartments and single-family homes, this combi boiler features smart operation, low noise levels, and long-term reliability.
It’s equipped with Viessmann’s MatriX-Plus burner, the Inox-Radial stainless steel heat exchanger, and Lambda Pro Plus combustion control, ensuring top performance, low emissions, and modulation up to 1:8 for maximum efficiency.
Key Features and Benefits
✔ Output Range: 1.9 – 19.0 kW (modulating)
✔ DHW Flow Rate: Up to 12.3 L/min at ΔT 30 °C
✔ Energy Efficiency Class: A / A+ at 35 °C
✔ Seasonal Efficiency (Hs): up to 94%
✔ Heat Exchanger: Inox-Radial – durable and corrosion-resistant
✔ Burner: MatriX-Plus + Lambda Pro Plus for stable combustion
✔ Hydrogen Ready: Supports up to 20% H₂ in natural gas mix
✔ Smart Connectivity: Built-in Wi-Fi for ViCare app integration
✔ Quiet Operation: Suitable for living spaces
✔ Compact Dimensions: 400 × 360 × 700 mm
✔ Weight: 36 kg
Vitodens 100-W B1KF (19 kW) is the perfect solution for homes needing reliable heat and hot water, with modern efficiency and A+ performance in a sleek, compact form.
Viessmann Vitodens 100-W B1KF – Gas Condensing Combi Boiler (25 kW)
The Viessmann Vitodens 100-W B1KF (25 kW) is a high-performance wall-mounted gas condensing boiler, designed for both space heating and domestic hot water in one compact unit. With its modulating burner, smart connectivity, and high output, it's ideal for family homes or multi-bathroom households.
Featuring the MatriX-Plus burner, Inox-Radial stainless steel heat exchanger, and Lambda Pro Plus combustion control, the B1KF ensures low emissions, quiet operation, and long-term reliability.
Key Features and Benefits
✔ Output Range: 3.2 – 25.0 kW (modulating, 1:8)
✔ DHW Flow Rate: Up to 14.1 L/min at ΔT 30 °C
✔ Energy Efficiency Class: A / A+ at 35 °C
✔ Seasonal Efficiency (Hs): up to 94%
✔ Heat Exchanger: Inox-Radial – durable and corrosion-resistant
✔ Burner: MatriX-Plus + Lambda Pro Plus for stable combustion
✔ Hydrogen Ready: Supports up to 20% H₂ in the gas mix
✔ Smart Control: Built-in Wi-Fi, compatible with ViCare app
✔ Quiet Operation: Under 35 dB(A)
✔ Compact Dimensions: 400 × 360 × 700 mm
✔ Weight: 36 kg
Vitodens 100-W B1KF (25 kW) is a powerful and smart combi boiler for homes that demand strong performance, efficiency, and modern comfort in one compact design.
Viessmann Vitodens 100-W B1HF – Gas Condensing Boiler with DHW Cylinder Connection (32 kW)
The Viessmann Vitodens 100-W B1HF (32 kW) is a high-output wall-mounted gas condensing boiler, designed for central heating only with direct connection to an external domestic hot water cylinder. It’s ideal for larger homes and multi-zone heating systems requiring robust performance and energy efficiency.
With a modulation range of 1:8, the unit adjusts its output precisely to demand, minimizing gas consumption. The MatriX-Plus burner, Lambda Pro Plus combustion control, and Inox-Radial stainless steel heat exchanger ensure long-term durability, low emissions, and smart combustion management.
Key Features and Benefits
✔ Output Range: 3.2 – 32.0 kW (modulating)
✔ Energy Efficiency Class: A / A+ at 35 °C flow temperature
✔ Seasonal Efficiency (Hs): up to 94%
✔ Heat Exchanger: Inox-Radial stainless steel – corrosion-resistant and efficient
✔ Burner: MatriX-Plus with Lambda Pro Plus for gas-adaptive combustion
✔ Hydrogen Ready: Certified for up to 20% H₂ blend
✔ Smart Connectivity: Integrated Wi-Fi for use with ViCare app
✔ Dimensions: 400 × 360 × 700 mm
✔ Weight: 36 kg
✔ Quiet Operation: Less than 35 dB(A)
✔ Supports External DHW Cylinders – Compatible with Vitocell systems
Vitodens 100-W B1HF (32 kW) is the perfect boiler for homes requiring flexible hot water system integration and A+ energy class heating performance.
Viessmann Vitodens 100-W B1KF – Gas Condensing Combi Boiler (32 kW)
The Viessmann Vitodens 100-W B1KF (32 kW) is a powerful wall-mounted gas condensing combi boiler that combines space heating and instantaneous domestic hot water in one compact, intelligent system. Ideal for larger homes with multiple bathrooms, it delivers top efficiency, quiet performance, and modern digital control.
With Viessmann’s MatriX-Plus burner, Inox-Radial stainless steel heat exchanger, and Lambda Pro Plus combustion control, the unit achieves low gas consumption, high durability, and adaptive combustion for all gas qualities — including blends with up to 20% hydrogen.
Key Features and Benefits
✔ Output Range: 3.2 – 32.0 kW (modulating, 1:8)
✔ DHW Flow Rate: Up to 16.0 L/min at ΔT 30 °C
✔ Energy Efficiency Class: A / A+ at 35 °C
✔ Seasonal Efficiency (Hs): up to 94%
✔ Heat Exchanger: Inox-Radial – corrosion-resistant stainless steel
✔ Burner: MatriX-Plus with Lambda Pro Plus combustion control
✔ Hydrogen Ready: Up to 20% H₂ mix compatible
✔ Smart Home Ready: Built-in Wi-Fi for ViCare app
✔ Compact Dimensions: 400 × 360 × 700 mm
✔ Weight: 36 kg
✔ Quiet Operation: Suitable for installation in living spaces
Vitodens 100-W B1KF (32 kW) is the ideal solution for households demanding maximum hot water output, heating performance, and future-ready smart control — all in one compact A+ class boiler.
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.
Viessmann Vitodens 111-W B1LG – Gas Condensing Combi Boiler with Integrated 46 L Tank (25 kW)
The Viessmann Vitodens 111-W B1LG (25 kW) is a powerful wall-mounted gas condensing combi boiler featuring an integrated 46-liter stainless steel loading cylinder, designed to deliver heating and high hot water comfort in one compact system. Perfect for larger homes or households with high DHW demand, it offers quiet operation, smart control, and exceptional performance.
With a MatriX-Plus burner, Inox-Radial stainless steel heat exchanger, and Lambda Pro Plus combustion control, it achieves up to 94% seasonal efficiency and is ready for up to 20% hydrogen in the gas mix.
Key Features and Benefits
✔ Output Range: 3.2 – 25.0 kW (modulating 1:8)
✔ Integrated DHW Tank: 46 L stainless steel 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 durable
✔ Hydrogen Ready: Up to 20% H₂ blend compatible
✔ Smart Connectivity: Built-in Wi-Fi for ViCare app
✔ Dimensions: 600 × 480 × 900 mm
✔ Weight: 66 kg
✔ Low Noise Operation: Quiet enough for installation in living spaces
Vitodens 111-W B1LG (25 kW) combines top heating and hot water performance with A+ efficiency, future-ready design, and smart controls — all in one compact appliance.
Viessmann Vitodens 111-W B1LG – Gas Condensing Combi Boiler with Integrated 46 L Tank (32 kW)
The Viessmann Vitodens 111-W B1LG (32 kW) is a high-performance wall-mounted gas condensing boiler with an integrated 46-liter stainless steel loading cylinder, delivering space heating and large-volume hot water supply in one advanced unit. Perfect for larger homes and high-demand DHW systems, it ensures fast recovery times, quiet operation, and A+ efficiency.
With the MatriX-Plus burner, Lambda Pro Plus combustion control, and Inox-Radial stainless steel heat exchanger, it provides up to 94% seasonal efficiency and is hydrogen-ready for up to 20% H₂.
Key Features and Benefits
✔ Output Range: 3.2 – 32.0 kW (modulating 1:8)
✔ Integrated DHW Tank: 46 L stainless steel 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 with Lambda Pro Plus control
✔ Heat Exchanger: Inox-Radial – corrosion-resistant, high efficiency
✔ Hydrogen Ready: Supports up to 20% H₂ blend
✔ Smart Control Ready: Built-in Wi-Fi, ViCare app compatible
✔ Dimensions: 600 × 480 × 900 mm
✔ Weight: 66 kg
✔ Quiet Operation: Designed for comfort and indoor placement
Vitodens 111-W B1LG (32 kW) is the ideal combi boiler for homes demanding maximum hot water comfort and heating power, paired with smart control and A+ efficiency.