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Viessmann Vitodens 100-W 25kW B1GA Heat Only Boiler

£1,354.82 £1,129.02
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Viessmann Vitodens 100-W 25kW B1GA Heat Only Boiler

The Viessmann Vitodens 100‑W 25kW B1GA Heat Only Boiler is a highly efficient, reliable wall‑mounted gas condensing boiler designed for medium‑sized homes. Offering strong heat output, excellent fuel efficiency, and long‑term durability, this 25kW model is ideal for properties with moderate-to-high heating demands and traditional heating system layouts.
 
Boiler: Viessmann Vitodens 100‑W B1GA 25kW Heat Only
  • Type: Heat‑only (regular) boiler suitable for open‑vented or sealed systems
  • Output: 25kW — ideal for medium‑sized homes with multiple radiators
  • Burner: MatriX‑Plus burner ensures clean, stable, and efficient combustion
  • Heat Exchanger: High‑grade stainless steel Inox‑Radial for long‑lasting performance
  • Modulation Range: Wide modulation ratio for reduced cycling and better efficiency
  • Hydrogen Ready: Compatible with up to 20% hydrogen blend
  • Connectivity: Built‑in WiFi for use with the ViCare smart heating app
  • Control Options: Easy‑to‑read LCD interface with smart control compatibility
System Features
  • Works with a separate hot water cylinder
  • Perfect for replacing older heat‑only boilers with minimal system changes
  • Compact, wall‑mounted design fits neatly into cupboards or utility areas
  • Quiet, efficient, and designed for dependable long‑term operation
Smart Controls & Integration
  • Connectivity: Integrated WiFi for remote access through the ViCare app
  • Smart Features: Temperature control, heating schedules, and system performance monitoring
  • Diagnostics: Intelligent onboard fault detection for faster maintenance
  • Thermostat Compatibility: Works with Viessmann smart thermostats and many third‑party smart controls
Read more
Manufacturer

Viessmann

MPN

7098664

SKU

93916

GTIN

4054465820716

Product Type

Gas Open Vent Boiler

Model

Vitodens 100-W

Gross Weight inc Packaging (KG)

30.1

Weight (KG)

26.600000

Height (mm)

785

Width (mm)

550

Depth (mm)

360

Boiler CH Output (kW)

25

Boiler CH Output (BTU)

85303

ErP Heating Rating

A Rated for Heating

Standard Warranty (Subjet to Manufacturers T&C's)

12 Years

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