• SL 10-85 G3
  • SL 14-115 G3
  • SL 20-160 G3
  • SL 30-199 G3
  • SL 26-260 G3
  • SL 40-399 G3



  • With Supply and Return connections on both sides of the boiler your installation can’t get any easier. Use the left side, the right side or both…the choice is yours
  • New Touch Screen V-10 Boiler Control
    Express set up – Remote monitoring & diagnostics –
    Easy USB programmability – True native BACnet –
    Intuitive alert system
  • 96% AFUE.
  • PVC/CPVC/PPs approved.
  • Built-in CSA/UL approved LWCO and manual reset high limit.
  • 8:1 turndown ratio means you have the power to heat your home in the coldest weather yet reduce short cycling when the weather is mild.
  • Built-in multiple zone pump control – up to 4 zones replacing the need for external pump controls.
  • Built-in outdoor reset control of water temperature.
  • MFZ Technology: Patented moisture management system. Protects and ensures long life for all components in the boiler.
  • The most advanced stainless steel fire tube boiler on the market today.
  • Increased efficiency: Custom baffling to ensure even heat transfer and longer life.
  • Reverse flow detection.
  • Very low water side and combustion side pressure drops.
  • Connect your IBC Indirect Water Tank directly to the boiler without a primary loop.
  • Unmatched safety features.
  • Easier to install and service.
  • Limited lifetime residential heat exchanger warranty.

Product Options:

Available options: SL 10-85 G3SL 14-115 G3SL 20-160 G3SL 30-199 G3SL 26-260 G3SL 40-399 G3