The high efficiency K2 Combi condensing boiler provides more options for home heating and hot water solutions! Designed and built in the USA at U.S. Boiler’s manufacturing facility in Lancaster, PA, the K2 Combi offers the same kind of efficient, reliable performance that you come to expect from U.S. Boiler Company.
Value-priced with Premium Features
- 95% AFUE with 10:1 turndown
- Reliable, proven stainless steel heat exchanger technology
- Flat plate heat exchanger provides superb domestic hot water performance
- Factory pre-set Sage2.3 Control System, providing out-of-the-box high performance
- Touch screen diagnostic display with plain-language guidance
- FREE 5-year parts warranty included
- Low NOx (meets requirements of South Coast Rule 1146.2)
Extra Built-in Features
- Universal boiler vent connections for polypropylene, CPVC/PVC, and flexible stainless steel
- Outdoor reset and sensor
- Pre-installed safety relief valve piping
Optional K2 Combi Condensing Boiler Accessory:
Sage Zone Control Circulator Panel or Valve Panel – Precisely calculates heating demand from different zones and “re-sizes” the boiler for optimum efficiency and whole home comfort.