SL 20-160 Propane Condensing Wall Boiler

Easy to inspect Heat exchanger featuring a condensate draining system that cleans as it heats | One of the most advanced stainless steel fire tube boiler on the market today | Easy USB programmability | Built-in zone pump control – up to 4 zones. Replacing the need for external pump controls | Efficiency up to 96% A.F.U.E. (SL 399G3 TE/CE 96%) | 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 | Unmatched safety features | Built-in outdoor reset control of water temperature. | Reverse flow detection | More common parts. With only 2 fans and a universal controller servicing all models just got a lot easier | Longest combined vent lengths – Up to 200 ft in 2” and 480 ft in 3” | Optional true native BACnet | Built-in CSA/UL approved low water cut-off and manual reset high limit. | DDC Control 0-10 VDC or 4-20 mA without additional controls | Simplified load pairing | Fuel conversion kits included with residential models | With supply and return connection on both sides of 4 models, your boiler installation can’t get any easier residential models | Ti option available on SL 40-399G3 | Intuitive alert system with detailed error messages | 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 | Connect your IBC Indirect Water Tank directly to the boiler without a primary loop | Multi-boiler communication. Easy boiler network setup. Up to 9.5 million Btu/h (24 boilers) without additional controls | Visible flame current data for troubleshooting | MFZ Technology: Patented moisture management system. Protects and ensures long life for all components in the boiler | Remote monitoring & diagnostics | Express setup – program your boiler in seconds | Increased efficiency: Custom baffling to ensure even heat transfer and long life | PVC/CPVC/PPs approved