Lochinvar Noble NKC199N High-Efficiency Combi Boiler
The Lochinvar Noble NKC199N is a high-efficiency wall-mounted condensing combi boiler designed to provide both hydronic space heating and domestic hot water from a single compact appliance. With a powerful 199,000 BTU input rating and up to 95% AFUE efficiency, the Noble delivers exceptional comfort while helping reduce energy costs.
Perfect for radiant floor heating systems, baseboard heating, hydro-air systems, and domestic hot water applications, the NKC199N combines Lochinvar's proven fire-tube heat exchanger technology with advanced controls and flexible venting options.
Its stainless steel fire-tube heat exchanger provides long-term durability, excellent heat transfer, and low pressure drop for improved system performance. The compact wall-mounted design saves valuable mechanical room space while delivering reliable heating and hot water throughout the home.
Key Features
- ✓ 199,000 BTU input capacity for demanding residential applications
- ✓ 95% AFUE efficiency helps reduce fuel consumption
- ✓ Provides both space heating and domestic hot water from one appliance
- ✓ Up to 4.8 GPM domestic hot water production
- ✓ Durable stainless steel fire-tube heat exchanger
- ✓ 10:1 turndown ratio for improved efficiency and comfort
- ✓ Universal vent adapter supports multiple vent materials
- ✓ SMART CONTROL™ operating system for simple setup and diagnostics
Ideal Heat Source for Radiant Floor Heating
The Lochinvar Noble NKC199N is an excellent choice for hydronic radiant floor heating systems. Its high-efficiency condensing design, advanced modulation capabilities, and stainless steel fire-tube heat exchanger help deliver consistent water temperatures for maximum comfort. Whether you're heating a single zone or an entire home, the Noble boiler provides dependable performance while producing domestic hot water from the same appliance.
Boilers are rated to 4,500 altitude. If you need high altitude please call 1-800-663-7831
