The Viessmann Vitodens 100‑W 19kW B1GA Heat Only Boiler, Horizontal Flue & MagnaClean Pro2 Filter Pack is a compact, highly efficient, and reliable wall‑mounted gas condensing heat‑only boiler designed for small homes, apartments, and traditional heating systems. With robust performance, excellent build quality, and modern control options, this 19kW model is ideal for properties needing a dependable replacement for older regular boilers without major system changes.

 

Boiler: Viessmann Vitodens 100‑W B1GA 19kW Heat Only

• Type: Heat‑only (regular) boiler suitable for traditional open‑vented or sealed heating systems
• Output: 19kW — ideal for small homes, smaller radiator networks, and lower heating demand
• Burner: MatriX‑Plus burner for efficient, stable, clean combustion
• Heat Exchanger: Stainless steel Inox‑Radial for long‑term robustness and high thermal efficiency
• Modulation Range: Wide modulation for reduced cycling, quiet running, and improved energy savings
• Hydrogen Ready: Supports up to 20% hydrogen blend
• Connectivity: Integrated WiFi for smart‑control capability
• Control Options: Clear LCD interface with ViCare app compatibility

System Features

• Works with a separate hot water cylinder and feed‑and‑expansion tank or compatible sealed system
• Excellent option for upgrading older heat‑only boilers without altering system design
• Compact, lightweight, and wall‑mounted — suitable for cupboards, kitchens, and small utility areas
• Smooth, quiet operation with low maintenance requirements

Horizontal Flue Kit (Included in Pack)

• Provides safe and efficient side‑wall discharge of combustion gases
• Designed for straightforward, secure installation
• Ensures correct flueing for optimal boiler performance
• Typically includes flue pipe, terminal, elbow, and seals

MagnaClean Pro2 Filter (Included in Pack)

• High‑efficiency magnetic filter that removes sludge, rust, and debris
• Protects pumps, heat exchangers, and overall system components
• Helps maintain long‑term efficiency and extend boiler lifespan
• Quick and easy to fit, clean, and maintain

Smart Controls & Integration

• Connectivity: Built‑in WiFi for remote control through the ViCare app
• Smart Features: Heating schedules, temperature adjustments, and live system monitoring
• Diagnostics: Integrated system intelligence for quick fault detection
• Thermostat Compatibility: Suitable with Viessmann smart thermostats and a range of third‑party smart controls