{"product_id":"lochinvar-ng-nkc110n-noble-fire-tube-boiler-110-000-btu-high-efficiency","title":"Lochinvar (NG) NKC110N Noble Fire Tube Boiler | 110,000 BTU High Efficiency","description":"\u003cstyle\u003e\n  .ws-nkb199 {\n    max-width: 1100px;\n    margin: 0 auto;\n    color: #242424;\n    font-family: inherit;\n    line-height: 1.65;\n  }\n\n  .ws-nkb199 * {\n    box-sizing: border-box;\n  }\n\n  .ws-nkb199 h2,\n  .ws-nkb199 h3 {\n    color: #222222;\n    line-height: 1.25;\n    margin-top: 0;\n  }\n\n  .ws-nkb199 h2 {\n    margin-bottom: 16px;\n    font-size: 30px;\n  }\n\n  .ws-nkb199 h3 {\n    margin-bottom: 15px;\n    font-size: 23px;\n  }\n\n  .ws-nkb199 p {\n    margin: 0 0 17px;\n  }\n\n  .ws-nkb199-section {\n    margin: 38px 0;\n  }\n\n  .ws-nkb199-highlights {\n    display: grid;\n    grid-template-columns: repeat(3, 1fr);\n    gap: 14px;\n    margin: 26px 0 32px;\n  }\n\n  .ws-nkb199-highlight {\n    padding: 20px 15px;\n    border: 1px solid #e2e2e2;\n    border-radius: 12px;\n    background: #f8f8f8;\n    text-align: center;\n  }\n\n  .ws-nkb199-highlight strong {\n    display: block;\n    margin-bottom: 5px;\n    color: #9e0929;\n    font-size: 25px;\n    line-height: 1.2;\n  }\n\n  .ws-nkb199-notice {\n    margin: 28px 0;\n    padding: 20px 22px;\n    border-left: 5px solid #9e0929;\n    border-radius: 8px;\n    background: #f8eeee;\n  }\n\n  .ws-nkb199-notice strong {\n    color: #850720;\n  }\n\n  .ws-nkb199-features {\n    display: grid;\n    grid-template-columns: repeat(2, 1fr);\n    gap: 12px 28px;\n    margin: 0;\n    padding: 0;\n    list-style: none;\n  }\n\n  .ws-nkb199-features li {\n    position: relative;\n    padding: 2px 0 2px 34px;\n  }\n\n  .ws-nkb199-features li::before {\n    content: \"✓\";\n    position: absolute;\n    top: 0;\n    left: 0;\n    width: 23px;\n    height: 23px;\n    border-radius: 50%;\n    background: #9e0929;\n    color: #ffffff;\n    font-size: 14px;\n    font-weight: 700;\n    line-height: 23px;\n    text-align: center;\n  }\n\n  .ws-nkb199-applications {\n    display: grid;\n    grid-template-columns: repeat(2, 1fr);\n    gap: 16px;\n  }\n\n  .ws-nkb199-application {\n    padding: 22px;\n    border: 1px solid #e1e1e1;\n    border-radius: 12px;\n    background: #ffffff;\n  }\n\n  .ws-nkb199-application strong {\n    display: block;\n    margin-bottom: 6px;\n    color: #9e0929;\n    font-size: 18px;\n  }\n\n  .ws-nkb199-radiant {\n    padding: 28px;\n    border-radius: 14px;\n    background: #f5f5f5;\n  }\n\n  .ws-nkb199-spec-grid {\n    display: grid;\n    grid-template-columns: repeat(2, minmax(0, 1fr));\n    gap: 20px;\n    align-items: start;\n  }\n\n  .ws-nkb199-specs {\n    width: 100%;\n    border: 1px solid #dddddd;\n    border-collapse: collapse;\n  }\n\n  .ws-nkb199-specs th,\n  .ws-nkb199-specs td {\n    padding: 13px 15px;\n    border-bottom: 1px solid #dddddd;\n    text-align: left;\n    vertical-align: top;\n  }\n\n  .ws-nkb199-specs th {\n    width: 43%;\n    background: #f5f5f5;\n    font-weight: 700;\n  }\n\n  .ws-nkb199-specs tr:last-child th,\n  .ws-nkb199-specs tr:last-child td {\n    border-bottom: 0;\n  }\n\n  .ws-nkb199-callout {\n    margin-top: 30px;\n    padding: 22px;\n    border: 1px solid #e2c26a;\n    border-radius: 10px;\n    background: #fff9e8;\n  }\n\n  .ws-nkb199-disclaimer {\n    margin-top: 25px;\n    padding-top: 20px;\n    border-top: 1px solid #dddddd;\n    color: #555555;\n    font-size: 14px;\n  }\n\n  @media screen and (max-width: 749px) {\n    .ws-nkb199 h2 {\n      font-size: 25px;\n    }\n\n    .ws-nkb199-highlights,\n    .ws-nkb199-features,\n    .ws-nkb199-applications,\n    .ws-nkb199-spec-grid {\n      grid-template-columns: 1fr;\n    }\n\n    .ws-nkb199-specs th,\n    .ws-nkb199-specs td {\n      display: block;\n      width: 100%;\n    }\n\n    .ws-nkb199-specs th {\n      padding-bottom: 5px;\n      border-bottom: 0;\n    }\n\n    .ws-nkb199-specs td {\n      padding-top: 5px;\n    }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"ws-nkb199\"\u003e\n\n  \u003cdiv class=\"ws-nkb199-section\"\u003e\n    \u003ch2\u003eLochinvar Noble NKC110N High-Efficiency Combi Boiler\u003c\/h2\u003e\n\n    \u003cp\u003e\n      The Lochinvar Noble NKC110N is a high-efficiency, wall-mounted\n      condensing combi boiler designed to provide hydronic space heating and\n      domestic hot water from one compact appliance. With a maximum input of\n      110,000 BTU and 95% AFUE efficiency, it delivers dependable residential\n      comfort while helping reduce natural gas consumption.\n    \u003c\/p\u003e\n\n    \u003cp\u003e\n      Its stainless steel fire-tube heat exchanger provides efficient heat\n      transfer, low pressure drop and long-term corrosion resistance. The\n      compact wall-mounted configuration also helps preserve valuable floor\n      space in mechanical rooms, basements, garages and utility areas.\n    \u003c\/p\u003e\n\n    \u003cdiv class=\"ws-nkb199-highlights\"\u003e\n      \u003cdiv class=\"ws-nkb199-highlight\"\u003e\n        \u003cstrong\u003e110,000\u003c\/strong\u003e\n        Maximum BTU Input\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"ws-nkb199-highlight\"\u003e\n        \u003cstrong\u003e95%\u003c\/strong\u003e\n        AFUE Efficiency\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"ws-nkb199-highlight\"\u003e\n        \u003cstrong\u003e10:1\u003c\/strong\u003e\n        Turndown Ratio\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ws-nkb199-notice\"\u003e\n      \u003cstrong\u003eSpace heating and domestic hot water:\u003c\/strong\u003e\n      The NKC110N is a combi boiler that provides hot water for a hydronic\n      space-heating system while also producing domestic hot water. Combining\n      both functions in one wall-mounted appliance can reduce the need for a\n      separate conventional water heater and simplify the mechanical-room\n      layout.\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"ws-nkb199-section\"\u003e\n    \u003ch3\u003eKey Features\u003c\/h3\u003e\n\n    \u003cul class=\"ws-nkb199-features\"\u003e\n      \u003cli\u003e110,000 BTU maximum input for residential heating applications\u003c\/li\u003e\n      \u003cli\u003e11,000 BTU minimum input for efficient low-load operation\u003c\/li\u003e\n      \u003cli\u003e95% AFUE high-efficiency condensing performance\u003c\/li\u003e\n      \u003cli\u003e10:1 modulation turndown ratio for improved comfort\u003c\/li\u003e\n      \u003cli\u003eProvides hydronic space heating and domestic hot water\u003c\/li\u003e\n      \u003cli\u003eUp to 2.6 GPM domestic hot water at a 77°F temperature rise\u003c\/li\u003e\n      \u003cli\u003eDurable ASME stainless steel fire-tube heat exchanger\u003c\/li\u003e\n      \u003cli\u003eLow pressure-drop design provides greater piping flexibility\u003c\/li\u003e\n      \u003cli\u003eSMART CONTROL™ digital operating system\u003c\/li\u003e\n      \u003cli\u003eOutdoor-reset control capability\u003c\/li\u003e\n      \u003cli\u003eUniversal vent adapter supports several approved vent materials\u003c\/li\u003e\n      \u003cli\u003eCompact wall-mounted configuration saves floor space\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"ws-nkb199-section\"\u003e\n    \u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\n    \u003cdiv class=\"ws-nkb199-applications\"\u003e\n      \u003cdiv class=\"ws-nkb199-application\"\u003e\n        \u003cstrong\u003eRadiant Floor Heating\u003c\/strong\u003e\n        Provides controlled hot-water temperatures for comfortable and\n        efficient in-floor radiant heating systems.\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"ws-nkb199-application\"\u003e\n        \u003cstrong\u003eDomestic Hot Water\u003c\/strong\u003e\n        Produces household hot water and hydronic space heating from one\n        compact combi appliance.\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"ws-nkb199-application\"\u003e\n        \u003cstrong\u003eBaseboard and Radiator Heating\u003c\/strong\u003e\n        Can supply properly designed hydronic baseboard, panel radiator and\n        traditional radiator systems.\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"ws-nkb199-application\"\u003e\n        \u003cstrong\u003eHydro-Air Systems\u003c\/strong\u003e\n        Can serve as the heat source for compatible air handlers equipped\n        with hydronic heating coils.\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"ws-nkb199-section ws-nkb199-radiant\"\u003e\n    \u003ch3\u003eDesigned for Radiant Floor Heating\u003c\/h3\u003e\n\n    \u003cp\u003e\n      The Noble NKC110N is well suited for residential hydronic radiant-floor\n      heating installations. Its modulating burner adjusts boiler output as\n      heating demand changes, helping maintain more consistent system-water\n      temperatures and reducing unnecessary cycling.\n    \u003c\/p\u003e\n\n    \u003cp\u003e\n      When paired with properly sized manifolds, pumps, mixing controls and\n      zoning components, the NKC110N can provide heat for multiple rooms or\n      heating zones while also supplying domestic hot water from the same\n      appliance.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"ws-nkb199-section\"\u003e\n    \u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\n    \u003cdiv class=\"ws-nkb199-spec-grid\"\u003e\n\n      \u003ctable class=\"ws-nkb199-specs\"\u003e\n        \u003ctbody\u003e\n          \u003ctr\u003e\n            \u003cth scope=\"row\"\u003eManufacturer\u003c\/th\u003e\n            \u003ctd\u003eLochinvar\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003cth scope=\"row\"\u003eModel\u003c\/th\u003e\n            \u003ctd\u003eNKC110N\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003cth scope=\"row\"\u003eProduct Type\u003c\/th\u003e\n            \u003ctd\u003eWall-mounted condensing fire-tube combi boiler\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003cth scope=\"row\"\u003eApplication\u003c\/th\u003e\n            \u003ctd\u003eHydronic space heating and domestic hot water\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003cth scope=\"row\"\u003eFuel Type\u003c\/th\u003e\n            \u003ctd\u003eNatural gas\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003cth scope=\"row\"\u003eMaximum Input\u003c\/th\u003e\n            \u003ctd\u003e110,000 BTU\/hr\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003cth scope=\"row\"\u003eMinimum Input\u003c\/th\u003e\n            \u003ctd\u003e11,000 BTU\/hr\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003cth scope=\"row\"\u003eDOE Heating Capacity\u003c\/th\u003e\n            \u003ctd\u003e102,000 BTU\/hr\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003cth scope=\"row\"\u003eEfficiency\u003c\/th\u003e\n            \u003ctd\u003e95% AFUE\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003cth scope=\"row\"\u003eTurndown Ratio\u003c\/th\u003e\n            \u003ctd\u003e10:1\u003c\/td\u003e\n          \u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n\n      \u003ctable class=\"ws-nkb199-specs\"\u003e\n        \u003ctbody\u003e\n          \u003ctr\u003e\n            \u003cth scope=\"row\"\u003eDomestic Hot Water\u003c\/th\u003e\n            \u003ctd\u003eUp to 2.6 GPM at a 77°F temperature rise\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003cth scope=\"row\"\u003eSpace-Heating Connection\u003c\/th\u003e\n            \u003ctd\u003e1 inch\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003cth scope=\"row\"\u003eDomestic Water Connection\u003c\/th\u003e\n            \u003ctd\u003e3\/4 inch\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003cth scope=\"row\"\u003eVent Connection\u003c\/th\u003e\n            \u003ctd\u003e3 inches\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003cth scope=\"row\"\u003eApproved Vent Materials\u003c\/th\u003e\n            \u003ctd\u003ePVC, CPVC, polypropylene or approved stainless steel\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003cth scope=\"row\"\u003eElectrical Supply\u003c\/th\u003e\n            \u003ctd\u003e120 VAC, 60 Hz, single phase\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003cth scope=\"row\"\u003eInstallation Type\u003c\/th\u003e\n            \u003ctd\u003eIndoor wall-mounted installation\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003cth scope=\"row\"\u003eHeat Exchanger Warranty\u003c\/th\u003e\n            \u003ctd\u003e10-year limited warranty\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003cth scope=\"row\"\u003eParts Warranty\u003c\/th\u003e\n            \u003ctd\u003e5-year limited warranty\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003cth scope=\"row\"\u003eENERGY STAR® Certified\u003c\/th\u003e\n            \u003ctd\u003eYes\u003c\/td\u003e\n          \u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"ws-nkb199-callout\"\u003e\n    \u003cstrong\u003eAltitude and system-sizing assistance:\u003c\/strong\u003e\n    For installations above 4,500 feet, or for assistance determining whether\n    this combi boiler is properly sized for your heating and domestic hot-water\n    requirements, please call\n    \u003cstrong\u003e1-800-663-7831\u003c\/strong\u003e before ordering.\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"ws-nkb199-disclaimer\"\u003e\n    Boiler selection should be based on a professional heat-loss calculation\n    and domestic hot-water demand, not square footage alone. Installation,\n    venting, gas connections, system piping, startup and combustion testing\n    must be completed by a qualified heating professional in accordance with\n    Lochinvar instructions and all applicable codes. Warranty coverage is\n    subject to the manufacturer’s current terms and conditions.\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Lochinvar","offers":[{"title":"Default Title","offer_id":53801246982328,"sku":null,"price":3000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0914\/2376\/8760\/files\/LOC_Noble_20Boiler_F.jpg?v=1784828423","url":"https:\/\/warmingsystemshydronic.com\/products\/lochinvar-ng-nkc110n-noble-fire-tube-boiler-110-000-btu-high-efficiency","provider":"Warming Systems Hydronic","version":"1.0","type":"link"}