Slant Fin – VSL-II Gas Boilers

Slant Fin Boilers

Fuel: Gas-Fired
System: Hot Water
Combustion: Modulating, Sealed Combustion
Capacity: 4 sizes, 90-250 MBH Input
Efficiency: up to AFUE 92%

VSL-II Modulating Condensing Gas Boiler

The Stant/Fin VSL-II Condensing gas boiler stands at the top in performance, safety, and environmental ratings. The boiler is equipped with a stainless steel alloy fiber mesh burner and is available for natural or propane gas.

The ASME Stainless steel heat exchanger has unparalleled resistance to corrosion. A proven European Design packaged and designed for an American Company to serve American people is sure to satisfy your requirements.

  • 92% AFUE
  • Available as heating only
  • Set as NG and field convertible to LP with no extra kit requirements
  • Modulation Ratio up to 5:1
  • Unparalleled Resistance to corrosion
  • Intuitive Control System
  • Outdoor Reset
  • Direct Vent/sealed Combustion
  • Venting options are Separate or concentric piping systems
  • ASME Stainless Steel Heat Exchanger
  • Low Pressure Drop through Heat Exchanger
  • Low Lead CSA Approval to meet toughest VT & CA Legislation
  • Cascade up to 8 Boilers
  • DHW Prioritization
  • Automatic Control and Diagnostics
  • AHRI Certified
  • 5 Year Parts and Labor Warranty, plus 15 Year Limited Warranty, when registered upon installation