Lochinvar NKC199N Noble Combi Boiler | 199,000 BTU High Efficiency
Lochinvar NKC199N Noble Combi Boiler | 199,000 BTU High Efficiency
Lochinvar NKC199N Noble Combi Boiler | 199,000 BTU High Efficiency
Lochinvar NKC199N Noble Combi Boiler | 199,000 BTU High Efficiency

    Lochinvar NKC199N Noble Combi Boiler | 199,000 BTU High Efficiency

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    $3,670.00
    $3,670.00
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    Lochinvar Noble NKC199N High-Efficiency Combi Boiler

    The Lochinvar NKC199N Noble Combi Boiler delivers high-efficiency hydronic heating and domestic hot water performance in a compact wall-mounted design. Featuring a stainless steel fire tube heat exchanger, 95% AFUE efficiency rating, and 10:1 turndown ratio, the NKC199N is engineered for reliable residential radiant floor heating, baseboard heating, and domestic hot water applications.

    Designed for modern hydronic systems, this condensing natural gas combi boiler provides up to 199,000 BTU input while maintaining energy-efficient operation and consistent hot water delivery. The built-in SMART CONTROL™ system offers advanced performance monitoring, easy setup, and user-friendly operation.

    199,000 Maximum BTU Input
    95% AFUE Efficiency
    10:1 Turndown Ratio
    All-in-one combi boiler: The NKC199N provides both hydronic space heating and domestic hot water in one compact wall-mounted unit.

    Key Features

    • 199,000 BTU high-efficiency combi boiler
    • 95% AFUE ENERGY STAR® certified
    • Stainless steel fire tube heat exchanger
    • Wall-mounted space-saving design
    • Domestic hot water and space heating in one unit
    • 10:1 turndown ratio for improved efficiency
    • Natural gas configuration
    • Advanced SMART CONTROL™ operating system
    • Quiet operation with condensing technology
    • Compatible with radiant floor heating and hydronic systems

    Ideal Applications

    Radiant Floor Heating Designed for efficient hydronic radiant-floor heating applications.
    Hydronic Heating Systems Supports modern residential hydronic heating system designs.
    Baseboard Heating Suitable for properly designed hydronic baseboard heating systems.
    Residential Space Heating Provides high-efficiency heating for residential applications.
    Domestic Hot Water Combines domestic hot-water production and space heating in one appliance.
    Multi-Zone Heating Systems Compatible with hydronic manifolds and multi-zone heating applications.

    Heating and Hot Water From One Appliance

    The Noble NKC199N combines high-efficiency hydronic space heating and domestic hot water performance in one compact wall-mounted boiler.

    Efficient Space Heating Condensing technology and a 10:1 turndown ratio help the boiler adapt to changing heating demand while supporting efficient operation.
    Domestic Hot Water The combi design provides domestic hot-water production and hydronic space heating from the same appliance.

    Designed for Radiant Floor Heating

    Ideal for radiant floor heating systems, hydronic manifolds, and multi-zone heating applications, the Lochinvar Noble Series combines space-saving installation with powerful heating capacity.

    Technical Specifications

    Model NKC199N
    Fuel Type Natural Gas
    Boiler Type Condensing Combi Boiler
    AFUE Rating 95%
    Mounting Type Wall Hung
    Heat Exchanger Stainless Steel Fire Tube
    Input Capacity 199,000 BTU/hr
    Venting PVC, CPVC, Polypropylene, Stainless Steel Compatible
    Warming Systems provides trusted hydronic heating solutions, technical support, and professional-grade radiant heating products for residential and commercial installations.