The Viessmann Vitodens 200‑W 49kW B2HA Constant Temperature System Boiler is a high‑efficiency, wall‑mounted gas condensing boiler engineered for medium to large properties, commercial spaces, and multi‑zone heating systems requiring stable, fixed‑temperature performance. Built with premium components and advanced combustion technology, it delivers dependable heating output and long‑term reliability in demanding environments.

 

Boiler: Viessmann Vitodens 200‑W B2HA 49kW System

• Type: Constant Temperature System Boiler (requires a separate hot water cylinder or buffer tank)
• Output: 49kW — suitable for large homes, commercial zones, and high‑demand systems
• Burner: MatriX‑Plus burner with Lambda Pro Plus combustion control for stable, clean, efficient combustion
• Heat Exchanger: Stainless steel Inox‑Radial for exceptional durability, thermal efficiency, and corrosion resistance
• Control Strategy: Fixed‑temperature operation for predictable, consistent heat output
• Modulation Range: Wide modulation for quieter operation, energy savings, and reduced wear on components
• Hydrogen Ready: Compatible with up to 20% hydrogen blend
• Connectivity: Advanced digital control platform for monitoring, configuration, and system optimisation
• Control Options: Large LCD touchscreen, Viessmann smart controls, and full BMS (building management system) integration

Constant Temperature Control System

• Maintains a fixed boiler flow temperature during operation
• Ensures consistent heating throughout the property
• Ideal for commercial heating circuits, industrial processes, and large radiator networks
• Designed for systems where steady‑state boiler output is essential

Horizontal Flue Kit 

• Enables safe side‑wall venting of combustion gases
• Designed for compatibility with Viessmann sealed combustion systems
• Typically includes terminal, flue pipes, elbows, and seals
• Ensures optimal airflow and safe, efficient boiler operation

MagnaClean Pro2 Filter 

• High‑efficiency magnetic filter designed to capture sludge, rust, and debris
• Protects pumps, valves, and the heat exchanger
• Improves long‑term system efficiency and reduces maintenance issues
• Quick and easy to install, clean, and service

Smart Controls & Integration

• Operation: Fixed‑temperature mode rather than weather‑compensated modulation
• Monitoring: Compatible with Viessmann diagnostic and digital monitoring tools
• Integration: Fully supports building management systems (BMS) for commercial environments
• Thermostat Compatibility: Works with standard thermostats and advanced commercial control modules