SL Series Commercial High Efficiency Condensing Boiler

Touch Screen Boiler Controller:

• Express setup
• Remote monitoring & diagnostics
• Easy USB programmability
• True native BACnet
• Intuitive alert system
• Simplified load pairing
• Visible flame current.

Features

· Better efficiency 95% AFUE on the SL 26-260G3.

· 96% Thermal efficiency on the SL 40-399G3

· Multi-boiler communication up to 9.5 million Btu/h (24 boilers) without additional controls.

· With 24 x 399 boilers turndown ratio is 240:1 = min. firing rate range is 40,000 Btu/h all the way up to 9.5 million Btu/h in 1000 Btu/h increments.

· PVC/CPVC/PPs approved – venting up to 400 feet.

· Now featuring multiple zone pump control – up to 4 zones. Replacing the need for external pump controls.

· MFZ Technology: Patented moisture management system. Protects and ensures long life for all components in the boiler.

· DDC Control 0-10 VDC or 4-20 mA without additional controls.

· Optional SL 40-399 316Ti Titanium enhanced heat exchanger available.

· DHW opt out priority for multi boiler systems.

· Reverse flow detection.

· Up to 10 year commercial heat exchanger warranty.