
Out Of Production
Classic KNIGHT™ XL Commercial Boiler
The KNIGHT XL boiler is today’s smartest choice in condensing boiler performance. It has environmentally friendly features and the exclusive Smart System™ control.
- 5 Models from 399,000 to 800,000 Btu/Hr
- 94% Thermal Efficiency
- 5:1 Turndown Ratio
- Stainless Steel Water Tube Heat Exchanger
- Features SMART SYSTEM™ Operating Control and CON·X·US® Remote Connect Capable