SL Series Commercial High Efficiency Condensing Boiler

Our wall-mounted SL G3 residential condensing boilers convert natural gas or propane into heat with unprecedented efficiency. All residential models feature supply and return connections on both sides making them easy to install. Efficient internal layouts allow for easy inspection. With more interchangeable parts, 2 fans and 1 universal touchscreen controller, installing and servicing all models just got a whole lot easier. Multiplex racking and piping kits available for commercial models.

Specifikim

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.