SL 26-260G3

SL 26-260G3

Why we love this product.

  • Quick setup
  • Easy remote monitoring
  • High efficiency for energy savings
  • Strong warranty coverage for light commercial use


The SL 26-260G3 is a highly reliable and efficient boiler designed specifically for light commercial purposes. Its advanced touchscreen boiler controller offers express setup, remote monitoring, and easy USB programmability, making it convenient to operate and manage.

With a high-efficiency rating of 95% AFUE, this boiler ensures significant energy savings. It features true native BACnet compatibility, providing seamless integration with building management systems. The intuitive alert system, simplified load pairing, and visible flame current add further convenience and ease of use. With PVC/CPVC/PPs approval, the venting capabilities extend up to 400 feet, offering installation flexibility.

SL 26-260G3 Boiler Features

  • Touch Screen Boiler Controller: Enjoy the benefits of an advanced touch screen controller that allows for express setup, remote monitoring, and easy USB programmability.
  • High Efficiency: Achieve an impressive efficiency rating of 95% AFUE, ensuring energy savings and cost-effectiveness for your light commercial application.
  • Multi-Boiler Communication: Connect up to 24 boilers with a combined capacity of 9.5 million Btu/h (British Thermal Units per hour) without the need for additional controls. This enables efficient and synchronized operation.
  • Turndown Ratio: With 24 x 399 boilers, experience a remarkable turndown ratio of 240:1, offering a wide firing rate range from 40,000 Btu/h up to 9.5 million Btu/h in 1000 Btu/h increments. This versatility allows for precise temperature control and optimized energy usage.
  • Venting Options: The SL 26-260G3 is PVC/CPVC/PPs approved, enabling venting capabilities of up to 400 feet, providing flexibility in installation and system design.
  • Multiple Zone Pump Control: Control up to 4 zones directly from the boiler, eliminating the need for external pump controls and simplifying the installation process.
  • Patented MFZ Technology: Experience enhanced durability and longevity with the patented moisture management system that protects all components in the boiler, ensuring a longer lifespan.
  • DDC Control: Benefit from 0-10 VDC or 4-20 mA control options without requiring additional controls, providing flexibility and compatibility with various systems.
  • DHW Opt-Out Priority: For multi-boiler systems, the boiler offers DHW (Domestic Hot Water) opt-out priority, ensuring efficient distribution of heat to meet specific demands.
  • Reverse Flow Detection: The SL 26-260G3 features reverse flow detection, ensuring safe and optimal operation.
  • Commercial Heat Exchanger Warranty: Benefit from a robust up to 10-year commercial heat exchanger warranty, providing long-term protection and peace of mind for your light commercial application.