- Improved Efficiency - 87% AFUE
- Engineered to extract and deliver more heat from every fuel dollar
- Special compounds provide a gas-tight seal for safe and efficient operation
- Optimized combustion with positive pressure-fired boilers and tailored chamber geometry
- Minimal stack losses with the modified three-pass flue design's large heat transfer areas
- Low standby losses with a full 3" jacket of thermal insulation around the entire block -even underneath the boiler
The Buderus G115WS boiler is based on the highly successful G115. The G115WS has been redesigned and reengineered to extract and deliver more heat from fuel, and now has higher outputs at less cost per BTU. Acknowledged as the leader in high-efficiency, low emission hydronic heating, Buderus offers innovative design and quality manufacturing.