SL Series G3 Commercial and Residential Gas Boiler

TOUCH CONTROL Express setup – program your boiler in seconds Remote monitoring & diagnostics Easy USB programmability Intuitive alert system with detailed error messages Visible flame current data for troubleshooting Simplified load pairing Optional true native BACnet EASY TO INSTALL & SERVICE With supply and return connection on both sides of 4 models, your boiler installation can’t get any easier in residential models Easy to inspect Heat exchanger featuring a condensate draining system that cleans as it heats PVC/CPVC/PPs approved Longest combined vent lengths – Up to 200 ft in 2” and 480 ft in 3” More common parts. With only 2 fans and a universal controller servicing all models just got a lot easier Fuel conversion kits included with residential models Easy to inspect Heat exchanger featuring a condensate draining system that cleans as it heats MORE BUILT-IN FEATURES Built-in 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 A Turndown ratio of up to 10:1 means you have the power to heat your home in the coldest weather, yet reduce short cycling when the weather is mild Reverse flow detection Built-in outdoor reset control of water temperature. Built-in CSA/UL approved low water cut-off and manual reset high limit. Unmatched safety features Connect your IBC Indirect Water Tank directly to the boiler without a primary loop SUPERIOR HIGH-EFFICIENCY HEAT EXCHANGER Efficiency up to 96% A.F.U.E. (SL 399G3 TE/CE 96%) One of the most advanced stainless steel fire tube boilers on the market today Increased efficiency: Custom baffling to ensure even heat transfer and long life COMMERCIAL FEATURES Multi-boiler communication. Easy boiler network setup. Up to 9.5 million Btu/h (24 boilers) without additional controls With 24 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 Ti option available on SL 40-399G3 DDC Control 0-10 VDC or 4-20 mA without additional controls