SL 10-85G3

SL 10-85G3

Why we love this product.

  • User-friendly touchscreen boiler controller
  • High efficiency up to 96% AFUE
  • Versatile multiple-zone pump control
  • Built-in outdoor reset control


The SL 10-85G3 residential condensing boiler from our SL-Series offers exceptional efficiency and performance for residential heating needs. It features a Touch Screen Boiler Controller with express setup, allowing for easy configuration and remote monitoring capabilities. The controller also offers convenient USB programmability, true native BACnet integration, and an intuitive alert system for enhanced usability. With a focus on efficiency, the SL 10-85G3 achieves up to 96% AFUE, ensuring cost savings for homeowners.

SL 10-85G3 Boiler Features

  • Touch Screen Boiler Controller: Enjoy the convenience of express setup, remote monitoring, and easy USB programmability. Stay informed with the intuitive alert system and benefit from simplified load pairing.
  • High Efficiency: Experience better energy savings with an efficiency rating of up to 96% AFUE, ensuring effective heat conversion and reduced fuel consumption.
  • Multiple Zone Pump Control: Simplify your setup by utilizing the integrated multiple zone pump control of up to 4 zones, eliminating the requirement for external pump controls.
  • Versatile Venting Options: The SL 10-85G3 is PVC/CPVC/PPs approved, allowing for venting options of up to 480ft, providing installation flexibility.
  • MFZ Technology: The patented moisture management system safeguards all components within the boiler, ensuring their longevity and protecting against potential damage.
  • Built-in Safety Features: The boiler comes equipped with a built-in CSA/UL-approved LWCO (Low Water Cut-Off) and manual reset high limit for enhanced safety.
  • Direct Connection to IBC Indirect Water Tank: Connect your IBC Indirect Water Tank directly to the boiler without the need for a primary loop, simplifying the setup.
  • Turndown Ratio: With a turndown ratio of up to 8:1, the SL 10-85G3 offers powerful heating capacity during extremely cold weather while minimizing short cycling during milder conditions.
  • Outdoor Reset Control and Reverse Flow Detection: Experience the advantages of having a built-in outdoor reset control that ensures precise regulation of water temperature, along with reverse flow detection for enhanced system protection.
  • Warranty: Enjoy peace of mind with a 5-year limited manufacturer’s parts warranty and a limited lifetime residential heat exchanger warranty.

The SL 10-85G3 combines advanced features, exceptional efficiency, and reliable performance to provide optimal heating solutions for residential applications. With its user-friendly Touch Screen Boiler Controller and versatile capabilities, this model offers convenience, efficiency, and peace of mind for homeowners.