{"product_id":"ncb-250150h-condensing-combi-boiler-250000-btu-dhw-210000-btu-htg","title":"NCB-250\/150H - Condensing Combi-Boiler - 250,000 BTU DHW \/ 210,000 BTU HTG","description":"\u003cp\u003e\u003cstrong\u003eNavien NCB-250\/150H - Condensing Combi-Boiler - 250,000 BTU DHW \/ 210,000 BTU HTG\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"100\" data-end=\"551\"\u003eThe Navien NCB-250\/150H is a 95% AFUE condensing combi-boiler that combines powerful space heating and on-demand domestic hot water in a single wall-hung unit. With a maximum input of 150,000 BTU\/hr and a net AHRI rating of 120,000 BTU\/hr, this unit delivers efficient performance for larger residential applications. It offers a 11.1:1 turndown ratio for heating and a 15:1 ratio for hot water, providing responsive modulation based on system demand.\u003c\/p\u003e\n\u003cp data-start=\"553\" data-end=\"827\"\u003eThe NCB-250\/150H is field convertible from natural gas to propane and supports a range of venting materials including PVC, CPVC, polypropylene, and stainless steel. It also features compatibility with Navien’s NaviLink smart home controller for remote access and monitoring.\u003c\/p\u003e\n\u003cp data-start=\"829\" data-end=\"1253\"\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"829\" data-end=\"1253\"\u003e95% AFUE high-efficiency rating\u003c\/li\u003e\n\u003cli data-start=\"829\" data-end=\"1253\"\u003e150,000 BTU\/hr heating input\u003c\/li\u003e\n\u003cli data-start=\"829\" data-end=\"1253\"\u003e120,000 BTU\/hr net AHRI rating\u003c\/li\u003e\n\u003cli data-start=\"829\" data-end=\"1253\"\u003e11.1:1 turndown ratio for space heating\u003c\/li\u003e\n\u003cli data-start=\"829\" data-end=\"1253\"\u003e15:1 turndown ratio for domestic hot water\u003c\/li\u003e\n\u003cli data-start=\"829\" data-end=\"1253\"\u003eField convertible between natural gas and propane\u003c\/li\u003e\n\u003cli data-start=\"829\" data-end=\"1253\"\u003eSmart controls with NaviLink compatibility\u003c\/li\u003e\n\u003cli data-start=\"829\" data-end=\"1253\"\u003eEnergy Star certified\u003c\/li\u003e\n\u003cli data-start=\"829\" data-end=\"1253\"\u003eCompact wall-mounted design\u003c\/li\u003e\n\u003cli data-start=\"829\" data-end=\"1253\"\u003eCompatible with 2\" or 3\" venting (PVC, CPVC, polypropylene, stainless steel)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1255\" data-end=\"1518\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1255\" data-end=\"1518\"\u003eWhole-home space heating and domestic hot water\u003c\/li\u003e\n\u003cli data-start=\"1255\" data-end=\"1518\"\u003eMedium to large residential homes\u003c\/li\u003e\n\u003cli data-start=\"1255\" data-end=\"1518\"\u003eIndoor installations with venting flexibility\u003c\/li\u003e\n\u003cli data-start=\"1255\" data-end=\"1518\"\u003eNatural gas or propane systems\u003c\/li\u003e\n\u003cli data-start=\"1255\" data-end=\"1518\"\u003eRetrofits and new construction\u003c\/li\u003e\n\u003cli data-start=\"1255\" data-end=\"1518\"\u003eSmart home integration with NaviLink controller\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/zi6ilYzhDi8\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch2 style=\"text-align: center;\"\u003e\u003cstrong\u003e\u003cspan class=\"color--brand-secondary\" style=\"color: #ff6600;\"\u003eAim high with Navien...\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch2\u003eHigh efficiency, High output, High performance, all in one compact combi\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHighest DHW maximum BTU’s in residential combi-boilers...up to 210,000 per hour\u003c\/li\u003e\n\u003cli\u003eHighest DHW flow rate @ 70°F rise...up to 5.4 GPM\u003c\/li\u003e\n\u003cli\u003eHighest number of BTU sizes for the North American residential combi-boiler market\u003c\/li\u003e\n\u003cli\u003eHighest residential combi DHW TDR...15:1 for all models\u003c\/li\u003e\n\u003cli\u003eHighest residential combi heating TDR... up to 11:1\u003c\/li\u003e\n\u003cli\u003eHighest number of built-in zone controls for valves or pumps... up to three\u003c\/li\u003e\n\u003cli\u003eHighest full lineup 2\" PVC venting lengths... up to 65 feet\u003c\/li\u003e\n\u003cli\u003eHighest number of cascade capable units with NPE tankless water heaters... up to 15\u003c\/li\u003e\n\u003cli\u003eHigh altitude certification... up to 10,100 feet (NG or LP)\u003c\/li\u003e\n\u003cli\u003eLowest minimum fire BTU for residential combi-boilers... as low as 10,700\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"text-align: center;\"\u003e\n\u003cstrong\u003e\u003cspan class=\"color--brand-secondary\" style=\"color: #ff6600;\"\u003eNew Navien NCB-H...\u003c\/span\u003e\u003c\/strong\u003ethe complete combi package and no comprimises\u003c\/h2\u003e\n\u003cp\u003eNavien's innovation and technological advancements have done it again. The new NCB-H is taking combi performance to the highest levels. As the competition tries to get closer, Navien ingenuity keeps advancing their lead.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0268\/6150\/2518\/files\/NCB-H-house.png?v=1634582995\" alt=\"Navien NCB-H Full House\" width=\"800\" height=\"435\"\u003e\u003c\/p\u003e\n\u003ch2 style=\"text-align: center;\"\u003e\n\u003cstrong\u003e\u003cspan class=\"color--brand-secondary\" style=\"color: #ff6600;\"\u003eCOMPARE \u003c\/span\u003e\u003c\/strong\u003ethese advantages and see why NCB-H combis are the right fit for small and large homes\u003c\/h2\u003e\n\u003ctable style=\"text-align: left; width: 100%;\" border=\"0\" cellspacing=\"5\" cellpadding=\"5\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"vertical-align: top; width: 33%;\"\u003e\n\u003cp\u003e\u003cimg title=\"Dual stainless steel heat exchangers for heating\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0268\/6150\/2518\/files\/NCB-H-feature-dual-HeatExcher.jpg?v=1634583684\" alt=\"Dual stainless steel heat exchangers for heating\"\u003e\u003cbr\u003e \u003cstrong\u003eDual stainless steel heat exchangers for heating\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDurable stainless steel heat exchangers resist corrosion, resulting in longer life and improved heat recovery from flue gases for superior efficiency.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"vertical-align: top; width: 33%;\"\u003e\n\u003cp\u003e\u003cimg title=\"Separate stainless steel flat plate\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0268\/6150\/2518\/files\/NFC-feature-flat-plate.jpg?v=1634583684\" alt=\"Separate stainless steel flat plate\"\u003e\u003cbr\u003e \u003cstrong\u003eUp to 5.4 GPM @ 70°F temperature rise for DHW\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSeparate stainless steel flat plate heat exchanger for DHW creates the lightest flow rates for any combi-boiler in the industry.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"vertical-align: top; width: 33%;\"\u003e\n\u003cp\u003e\u003cimg title=\"Dual Venturi System\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0268\/6150\/2518\/files\/NCB-H-feature-dual-venturi.jpg?v=1634583683\" alt=\"Dual Venturi System\"\u003e\u003cbr\u003e \u003cstrong\u003eDual Venturi and field gas convertibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDual Venturi system creates better combustion control and turndown ratio. Orifice conversion kit for easy field gas convertibility from NG to LP is included with every NCB-H Series combi-boiler.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"vertical-align: top; width: 33%;\"\u003e\n\u003cp\u003e\u003cimg title=\"DHW Module\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0268\/6150\/2518\/files\/NCB-H-feature-access-DHW.jpg?v=1634583684\" alt=\"DHW Module\"\u003e\u003cbr\u003e \u003cstrong\u003eEasy access to DHW module and valves\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAll components of DHW module including water feed valve, flow adjustment valve, mixing valve and 3-way valve are right behind circuit board for easy serviceability.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"vertical-align: top; width: 33px;\"\u003e\n\u003cp\u003e\u003cimg title=\"Low Noise Levels\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0268\/6150\/2518\/files\/NCB-H-feature-LowNoise.jpg?v=1634583684\" alt=\"Low Noise Levels\"\u003e\u003cbr\u003e \u003cstrong\u003eLow noise levels\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eInstallations in or near media rooms, recreation rooms or any living areas of the house are possible with the quiet running NCB-H combi-boilers.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"vertical-align: top; width: 33%;\"\u003e\n\u003cp\u003e\u003cimg title=\"Gas Flow Control System\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0268\/6150\/2518\/files\/10-1-ratio-NFB-2.jpg?v=1634583683\" alt=\"Gas Flow Control System\"\u003e\u003cbr\u003e \u003cstrong\u003eTDR 15:1 for DHW and up to 11:1 for heating\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe sophisticated gas flow control system provides a high turndown ratio, reducing energy waste and excessive boiler cycling and enhances temperature control for DHW.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable style=\"text-align: left; width: 100%; background-color: #ffffff; margin-left: auto; margin-right: auto;\" border=\"0\" cellspacing=\"2\" cellpadding=\"2\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"vertical-align: middle; text-align: center;\"\u003e\n\u003ch2\u003e\u003cstrong\u003eDual Stainless Steel\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch2\u003e\u003cstrong\u003e Heat Exchanger\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch2\u003eDesigned for exceptional\u003c\/h2\u003e\n\u003ch2\u003eheating performance and longevity\u003c\/h2\u003e\n\u003ch2 style=\"text-align: center;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #ff6600;\"\u003eHeating up to\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch2 style=\"text-align: center;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #ff6600;\"\u003e 150,000\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch2 style=\"text-align: center;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #ff6600;\"\u003e BTUs per hour\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003c\/td\u003e\n\u003ctd style=\"vertical-align: top;\"\u003e\u003cimg style=\"width: 300px;\" title=\"Dual Stainless Steel Heat Exchanger\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0268\/6150\/2518\/files\/heatexchanger-3d-NCB-H.png?v=1634582995\" alt=\"Dual Stainless Steel Heat Exchanger\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"text-align: center;\"\u003e \u003c\/p\u003e\n\u003ch2 style=\"text-align: center;\"\u003e\n\u003cstrong\u003eBuilt-in DHW module now with\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan style=\"color: #ff6600;\"\u003ehigher performance\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003eNavien’s NCB-H generates enough hot water to run up to 3 showers and a dishwasher at the same time.\u003c\/h2\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0268\/6150\/2518\/files\/NCB-H-DHW-module.png?v=1634582995\" alt=\"NCB-H Module\" width=\"800\" height=\"603\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0268\/6150\/2518\/files\/H-series-heat-plate.png?v=1634582995\" alt=\"DHW up to 210,000 BTUs per hour\" width=\"800\" height=\"300\"\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e \u003c\/p\u003e\n\u003ch2 style=\"text-align: center;\"\u003e\u003cstrong\u003eExpanded DHW Capability\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp style=\"text-align: center;\"\u003eFor increased domestic hot water flow demand, the NCB-H can be cascaded and common vented with up to 15 NPE tankless water heaters\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0268\/6150\/2518\/files\/NCB-H-cascade-units.png?v=1634582995\" alt=\"Cascading DHW Capabilities\" width=\"800\" height=\"769\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: right;\"\u003e\u003csup\u003e\u003cspan style=\"color: #999999;\"\u003eZCS\u003c\/span\u003e\u003c\/sup\u003e\u003c\/p\u003e","brand":"TheKitchenMart","offers":[{"title":"Default Title","offer_id":53940904362313,"sku":"783467586436543534","price":1903.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/9731\/9497\/files\/ncb-h-nv_a4acec5b-e18c-4788-a794-d8064c0d5bc4.jpg?v=1772150677","url":"https:\/\/thekitchenmart.shop\/products\/ncb-250150h-condensing-combi-boiler-250000-btu-dhw-210000-btu-htg","provider":"TheKitchenMart","version":"1.0","type":"link"}