- Patented Compact Stainless Steel Fire Tube Heat Exchanger
- 95% AFUE and TDR up to 11:1
- Advanced Controls with Intuitive User Interface
- Primary Manifold, NaviClean™ Magnetic Filter and Isolation Valve Kit Included
- DHW Module with Mixing and Water Adjustment Valves
- Pressure Regulating Valve, Air Vent and Manifold Included
- Multiple Venting Options Up to 150’
- Common Venting Up to 8 Units and Cascading Up to 16 Units
NFC-175
HIGH EFFICIENCY CONDENSING COMBI-BOILER