- Range: 4 to 16 HP, 15 PSI steam or 30 PSI water
- Fuels: #2 Oil, Natural or LP gas, Dual fuel
- High quality watertube construction
- 80% combustion efficiency
- Optional tankless coils available from 170 to 610 GPH
The Columbia GL/L Series is a rugged inclined watertube steel boiler used for hydronic heating, steam heating and steam process applications. A favorite for 100% makeup water applications. The welded steel 2″ watertube design eliminates threat of thermal shock. Ideal for bakeries, micro breweries, health spas, canneries, restaurants, plus humidification, and many other small low pressure steam applications.