{"title":"Combi Boilers","description":null,"products":[{"product_id":"navien-ncb-240-130h","title":"NCB-240\/130H - Condensing Combi-Boiler - 199,000 BTU DHW \/ 130,000 BTU HTG","description":"\u003cp\u003e\u003cstrong\u003eNavien NCB-240\/130H - Condensing Combi-Boiler - 199,000 BTU DHW \/ 130,000 BTU HTG\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"98\" data-end=\"574\"\u003eThe Navien NCB-240\/130H is a high-efficiency, 95% AFUE condensing combi-boiler that delivers both space heating and domestic hot water in a single wall-hung unit. Designed for performance and convenience, it features a maximum heating input of 130,000 BTU\/hr and a DHW input of up to 199,000 BTU\/hr. The unit supports both natural gas and propane, with field conversion included, and offers flexible venting options using 2\" or 3\" PVC, CPVC, polypropylene, or stainless steel.\u003c\/p\u003e\n\u003cp data-start=\"576\" data-end=\"906\"\u003eThe NCB-240\/130H includes dual stainless steel heat exchangers, integrated smart controls with an LCD display, and built-in support for three heating zones. With advanced turndown ratios and Energy Star certification, it's engineered to optimize energy use while maintaining consistent comfort in residential heating applications.\u003c\/p\u003e\n\u003cp data-start=\"908\" data-end=\"1444\"\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"908\" data-end=\"1444\"\u003e95% AFUE efficiency rating\u003c\/li\u003e\n\u003cli data-start=\"908\" data-end=\"1444\"\u003e130,000 BTU\/hr heating input\u003c\/li\u003e\n\u003cli data-start=\"908\" data-end=\"1444\"\u003e199,000 BTU\/hr DHW input\u003c\/li\u003e\n\u003cli data-start=\"908\" data-end=\"1444\"\u003eDual stainless steel heat exchangers\u003c\/li\u003e\n\u003cli data-start=\"908\" data-end=\"1444\"\u003e10:1 heating turndown ratio\u003c\/li\u003e\n\u003cli data-start=\"908\" data-end=\"1444\"\u003e15:1 domestic hot water turndown ratio\u003c\/li\u003e\n\u003cli data-start=\"908\" data-end=\"1444\"\u003eSmart controls with LCD display and setup wizard\u003c\/li\u003e\n\u003cli data-start=\"908\" data-end=\"1444\"\u003eIntegrated 3-zone controller for zone valves or circulators\u003c\/li\u003e\n\u003cli data-start=\"908\" data-end=\"1444\"\u003eField convertible from natural gas to propane (kit included)\u003c\/li\u003e\n\u003cli data-start=\"908\" data-end=\"1444\"\u003eCompact wall-hung design\u003c\/li\u003e\n\u003cli data-start=\"908\" data-end=\"1444\"\u003eEnergy Star certified\u003c\/li\u003e\n\u003cli data-start=\"908\" data-end=\"1444\"\u003eBuilt-in freeze protection and advanced safety controls\u003c\/li\u003e\n\u003cli data-start=\"908\" data-end=\"1444\"\u003eSupports cascading with up to 15 NPE units\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1446\" data-end=\"1732\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1446\" data-end=\"1732\"\u003eWhole-home heating and on-demand hot water\u003c\/li\u003e\n\u003cli data-start=\"1446\" data-end=\"1732\"\u003eResidential homes using natural gas or propane\u003c\/li\u003e\n\u003cli data-start=\"1446\" data-end=\"1732\"\u003eIndoor wall-mounted installations\u003c\/li\u003e\n\u003cli data-start=\"1446\" data-end=\"1732\"\u003eProjects requiring high-efficiency boiler systems\u003c\/li\u003e\n\u003cli data-start=\"1446\" data-end=\"1732\"\u003eSmart home setups using Navien controls\u003c\/li\u003e\n\u003cli data-start=\"1446\" data-end=\"1732\"\u003eSystems needing multi-zone heating integration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"text-align: left;\"\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=\"100%\"\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: 100%;\" 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=\"100%\"\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=\"100%\"\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=\"100%\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\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;\"\u003ePNAV000036\u003c\/span\u003e\u003c\/sup\u003e\u003c\/p\u003e","brand":"Navien","offers":[{"title":"Default Title","offer_id":38067060080837,"sku":"NCB-240\/130H","price":3199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0268\/6150\/2518\/products\/ncb-h-nv.jpg?v=1753474986"},{"product_id":"navien-ncb-190-060h-160-000-btu-dhw-60-000-btu-htg-condensing-combi-boiler","title":"NCB-190\/060H - Condensing Combi-Boiler - 160,000 BTU DHW \/ 60,000 BTU HTG","description":"\u003cp\u003e\u003cstrong\u003eNavien NCB-190\/060H - Condensing Combi-Boiler - 160,000 BTU DHW \/ 60,000 BTU HTG\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"178\" data-end=\"754\"\u003eThe Navien NCB-190\/060H is a high-efficiency condensing combi-boiler that delivers both space heating and domestic hot water in one compact unit. With a 95% AFUE rating and a 15:1 turndown ratio for DHW, this boiler provides precise performance and significant energy savings. It features dual stainless steel heat exchangers, built-in controls, and flexible venting options. The unit is field convertible for use with natural gas or propane and is suitable for small to large homes, capable of supporting up to three showers and a dishwasher simultaneously.\u003c\/p\u003e\n\u003cp data-start=\"756\" data-end=\"1194\"\u003e\u003cstrong data-start=\"756\" data-end=\"775\"\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"756\" data-end=\"1194\"\u003eDHW Input: 10,000 to 160,000 BTU\/hr\u003c\/li\u003e\n\u003cli data-start=\"756\" data-end=\"1194\"\u003eHeating Input: 60,000 BTU\/hr\u003c\/li\u003e\n\u003cli data-start=\"756\" data-end=\"1194\"\u003eAFUE: 95%\u003c\/li\u003e\n\u003cli data-start=\"756\" data-end=\"1194\"\u003eFlow Rate: 4.1 GPM at 70°F rise\u003c\/li\u003e\n\u003cli data-start=\"756\" data-end=\"1194\"\u003eVenting: 2\" up to 65 ft or 3\" up to 150 ft (PVC, CPVC, or polypropylene)\u003c\/li\u003e\n\u003cli data-start=\"756\" data-end=\"1194\"\u003eDimensions: 17.3\" W x 12.8\" D x 29.3\" H\u003c\/li\u003e\n\u003cli data-start=\"756\" data-end=\"1194\"\u003eWeight: 88.2 lbs\u003c\/li\u003e\n\u003cli data-start=\"756\" data-end=\"1194\"\u003eGas Type: Field convertible (natural gas or propane)\u003c\/li\u003e\n\u003cli data-start=\"756\" data-end=\"1194\"\u003eControls: LCD display with Setup Wizard\u003c\/li\u003e\n\u003cli data-start=\"756\" data-end=\"1194\"\u003eBuilt-in: Pumps and connections for 3 zone pumps and 3 zone valves\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1196\" data-end=\"1360\"\u003e\u003cstrong data-start=\"1196\" data-end=\"1213\"\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1196\" data-end=\"1360\"\u003eSpace heating and domestic hot water for residential homes\u003c\/li\u003e\n\u003cli data-start=\"1196\" data-end=\"1360\"\u003eCompatible with cascade and common venting configurations using NPE water heaters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1196\" data-end=\"1360\"\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;\"\u003eZNS\u003c\/span\u003e\u003c\/sup\u003e\u003c\/p\u003e","brand":"Navien","offers":[{"title":"Default Title","offer_id":40761998344389,"sku":"NCB-190\/060H","price":2599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0268\/6150\/2518\/products\/ncb-h-nv_8c819a42-e235-46b0-9580-5a833b5b5109.jpg?v=1753474975"},{"product_id":"navien-ncb-190-080h-160-000-btu-dhw-80-000-btu-htg-condensing-combi-boiler","title":"NCB-190\/080H - Condensing Combi-Boiler - 160,000 BTU DHW \/ 80,000 BTU HTG","description":"\u003cp\u003e\u003cstrong\u003eNavien NCB-190\/080H - Condensing Combi-Boiler - 160,000 BTU DHW \/ 80,000 BTU HTG \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"165\" data-end=\"655\"\u003eThe Navien NCB-190\/080H is a high-efficiency condensing combi-boiler that delivers both hydronic space heating and domestic hot water from a single, compact wall-hung unit. With a 95% AFUE rating and up to 80,000 BTU\/hr heating input, it provides consistent warmth and efficiency for a wide range of home sizes. The domestic hot water system delivers up to 160,000 BTU\/hr with a 15:1 turndown ratio and 4.3 GPM flow rate at a 37°C rise, supporting simultaneous use across multiple fixtures.\u003c\/p\u003e\n\u003cp data-start=\"657\" data-end=\"1042\"\u003eConstructed with dual stainless steel heat exchangers for long-term durability and corrosion resistance, the NCB-190\/080H is equipped with smart control features, built-in pumps, and field conversion capability between natural gas and propane. It supports cascading and common venting with NPE water heaters, making it an adaptable solution for residential heating and hot water needs.\u003c\/p\u003e\n\u003cp data-start=\"1044\" data-end=\"1467\"\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1044\" data-end=\"1467\"\u003e95% AFUE energy efficiency\u003c\/li\u003e\n\u003cli data-start=\"1044\" data-end=\"1467\"\u003e160,000 BTU\/hr DHW input and 80,000 BTU\/hr heating input\u003c\/li\u003e\n\u003cli data-start=\"1044\" data-end=\"1467\"\u003eDual stainless steel heat exchangers\u003c\/li\u003e\n\u003cli data-start=\"1044\" data-end=\"1467\"\u003e15:1 DHW turndown ratio\u003c\/li\u003e\n\u003cli data-start=\"1044\" data-end=\"1467\"\u003eSmart control with Setup Wizard and backlit LCD\u003c\/li\u003e\n\u003cli data-start=\"1044\" data-end=\"1467\"\u003eBuilt-in zone pumps and zone valve terminals\u003c\/li\u003e\n\u003cli data-start=\"1044\" data-end=\"1467\"\u003eCompatible with cascading and common venting setups\u003c\/li\u003e\n\u003cli data-start=\"1044\" data-end=\"1467\"\u003eField convertible for natural gas or propane\u003c\/li\u003e\n\u003cli data-start=\"1044\" data-end=\"1467\"\u003eCompact wall-hung design\u003c\/li\u003e\n\u003cli data-start=\"1044\" data-end=\"1467\"\u003eFlexible 2\" or 3\" venting options\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1469\" data-end=\"1765\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1469\" data-end=\"1765\"\u003eWhole-house hydronic space heating\u003c\/li\u003e\n\u003cli data-start=\"1469\" data-end=\"1765\"\u003eOn-demand domestic hot water\u003c\/li\u003e\n\u003cli data-start=\"1469\" data-end=\"1765\"\u003eHomes using natural gas or propane\u003c\/li\u003e\n\u003cli data-start=\"1469\" data-end=\"1765\"\u003eNew construction or system replacements\u003c\/li\u003e\n\u003cli data-start=\"1469\" data-end=\"1765\"\u003eResidences requiring compact, wall-mounted heating solutions\u003c\/li\u003e\n\u003cli data-start=\"1469\" data-end=\"1765\"\u003eInstallations requiring energy-efficient and low-maintenance operation\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\u003cp\u003e \u003c\/p\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: right;\"\u003e\u003csup\u003e\u003cspan style=\"color: #999999;\"\u003eZNS\u003c\/span\u003e\u003c\/sup\u003e\u003c\/p\u003e","brand":"Navien","offers":[{"title":"Default Title","offer_id":40761998672069,"sku":"NCB-190\/080H","price":2789.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0268\/6150\/2518\/products\/ncb-h-nv_ea68a1b3-569e-4c61-b765-77aea852a436.jpg?v=1753474974"},{"product_id":"navien-ncb-240-110h-199-000-btu-dhw-110-000-btu-htg-condensing-combi-boiler","title":"NCB-240\/110H - Condensing Combi-Boiler - 199,000 BTU DHW \/ 110,000 BTU HTG","description":"\u003cp data-end=\"462\" data-start=\"101\"\u003e\u003cstrong\u003eNavien NCB-240\/110H - Condensing Combi-Boiler - 199,000 BTU DHW \/ 110,000 BTU HTG\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"462\" data-start=\"101\"\u003eThe Navien NCB-240\/110H is a 95% AFUE condensing combi-boiler designed to deliver both space heating and domestic hot water in one high-performance, wall-mounted unit. With a maximum heating input of 110,000 BTU\/hr and up to 199,000 BTU\/hr for DHW, it efficiently meets the demands of larger homes or applications with simultaneous heating and hot water needs.\u003c\/p\u003e\n\u003cp data-end=\"834\" data-start=\"464\"\u003eThis combi-boiler operates on natural gas or propane and includes advanced features such as dual stainless steel heat exchangers, a smart control interface, and built-in zone pump and valve terminals. With turndown ratios of 8.5:1 for space heating and 15:1 for hot water, the NCB-240\/110H adapts efficiently to fluctuating usage demands, reducing wear and energy waste.\u003c\/p\u003e\n\u003cp data-end=\"1297\" data-start=\"836\"\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-end=\"1297\" data-start=\"836\"\u003e95% AFUE high-efficiency rating\u003c\/li\u003e\n\u003cli data-end=\"1297\" data-start=\"836\"\u003e110,000 BTU\/hr heating input\u003c\/li\u003e\n\u003cli data-end=\"1297\" data-start=\"836\"\u003eUp to 199,000 BTU\/hr DHW input\u003c\/li\u003e\n\u003cli data-end=\"1297\" data-start=\"836\"\u003e8.5:1 turndown ratio for heating\u003c\/li\u003e\n\u003cli data-end=\"1297\" data-start=\"836\"\u003e15:1 turndown ratio for domestic hot water\u003c\/li\u003e\n\u003cli data-end=\"1297\" data-start=\"836\"\u003eSmart controls with backlit LCD and Setup Wizard\u003c\/li\u003e\n\u003cli data-end=\"1297\" data-start=\"836\"\u003eDual stainless steel heat exchangers\u003c\/li\u003e\n\u003cli data-end=\"1297\" data-start=\"836\"\u003eField convertible between natural gas and propane\u003c\/li\u003e\n\u003cli data-end=\"1297\" data-start=\"836\"\u003eBuilt-in zone pump and zone valve connections\u003c\/li\u003e\n\u003cli data-end=\"1297\" data-start=\"836\"\u003eCompact, wall-hung design with quiet operation\u003c\/li\u003e\n\u003cli data-end=\"1297\" data-start=\"836\"\u003eSupports 2\" or 3\" direct venting\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"1606\" data-start=\"1299\"\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-end=\"1606\" data-start=\"1299\"\u003eResidential space heating and hot water\u003c\/li\u003e\n\u003cli data-end=\"1606\" data-start=\"1299\"\u003eHomes with simultaneous multi-fixture usage\u003c\/li\u003e\n\u003cli data-end=\"1606\" data-start=\"1299\"\u003eNatural gas or propane fuel systems\u003c\/li\u003e\n\u003cli data-end=\"1606\" data-start=\"1299\"\u003eInstallations requiring compact, high-efficiency units\u003c\/li\u003e\n\u003cli data-end=\"1606\" data-start=\"1299\"\u003eNew construction or retrofit boiler replacements\u003c\/li\u003e\n\u003cli data-end=\"1606\" data-start=\"1299\"\u003eIndoor wall-mounted applications with venting flexibility\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"1606\" data-start=\"1299\"\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe height=\"315\" width=\"560\" src=\"https:\/\/www.youtube.com\/embed\/zi6ilYzhDi8\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch2 style=\"text-align: center;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #ff6600;\" class=\"color--brand-secondary\"\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 style=\"color: #ff6600;\" class=\"color--brand-secondary\"\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 height=\"435\" width=\"800\" alt=\"Navien NCB-H Full House\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0268\/6150\/2518\/files\/NCB-H-house.png?v=1634582995\"\u003e\u003c\/p\u003e\n\u003ch2 style=\"text-align: center;\"\u003e\n\u003cstrong\u003e\u003cspan style=\"color: #ff6600;\" class=\"color--brand-secondary\"\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 cellpadding=\"5\" cellspacing=\"5\" border=\"0\" style=\"text-align: left; width: 100%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"vertical-align: top; width: 33%;\"\u003e\n\u003cp\u003e\u003cimg alt=\"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\" title=\"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 alt=\"Separate stainless steel flat plate\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0268\/6150\/2518\/files\/NFC-feature-flat-plate.jpg?v=1634583684\" title=\"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 alt=\"Dual Venturi System\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0268\/6150\/2518\/files\/NCB-H-feature-dual-venturi.jpg?v=1634583683\" title=\"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 alt=\"DHW Module\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0268\/6150\/2518\/files\/NCB-H-feature-access-DHW.jpg?v=1634583684\" title=\"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 alt=\"Low Noise Levels\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0268\/6150\/2518\/files\/NCB-H-feature-LowNoise.jpg?v=1634583684\" title=\"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 alt=\"Gas Flow Control System\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0268\/6150\/2518\/files\/10-1-ratio-NFB-2.jpg?v=1634583683\" title=\"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 cellpadding=\"2\" cellspacing=\"2\" border=\"0\" style=\"text-align: left; width: 100%; background-color: #ffffff; margin-left: auto; margin-right: auto;\"\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 alt=\"Dual Stainless Steel Heat Exchanger\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0268\/6150\/2518\/files\/heatexchanger-3d-NCB-H.png?v=1634582995\" title=\"Dual Stainless Steel Heat Exchanger\" style=\"width: 300px;\"\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 height=\"603\" width=\"800\" alt=\"NCB-H Module\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0268\/6150\/2518\/files\/NCB-H-DHW-module.png?v=1634582995\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg height=\"300\" width=\"800\" alt=\"DHW up to 210,000 BTUs per hour\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0268\/6150\/2518\/files\/H-series-heat-plate.png?v=1634582995\"\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 height=\"769\" width=\"800\" alt=\"Cascading DHW Capabilities\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0268\/6150\/2518\/files\/NCB-H-cascade-units.png?v=1634582995\"\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;\"\u003eZNS\u003c\/span\u003e\u003c\/sup\u003e\u003c\/p\u003e","brand":"Navien","offers":[{"title":"Default Title","offer_id":40761999098053,"sku":"NCB-240\/110H","price":2659.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0268\/6150\/2518\/products\/ncb-h-nv_0e33ee04-1932-4069-ae73-ed2a6fc5df8d.jpg?v=1753474972"},{"product_id":"navien-ncb-250-150h-250-000-btu-dhw-210-000-btu-htg-condensing-combi-boiler","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\"\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":"Navien","offers":[{"title":"Default Title","offer_id":40761999786181,"sku":"NCB-250\/150H","price":3399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0268\/6150\/2518\/products\/ncb-h-nv_a4acec5b-e18c-4788-a794-d8064c0d5bc4.jpg?v=1753474971"},{"product_id":"nfc-250-200h-199-900-btu-dhw-210-000-btu-htg-condensing-combi-boiler","title":"NFC-250\/200H - Condensing Combi-Boiler - 199,900 BTU DHW \/ 210,000 BTU HTG","description":"\u003cp\u003e\u003cstrong\u003eNavien NFC-250\/200H - Condensing Combi-Boiler - 199,900 BTU DHW \/ 210,000 BTU HTG\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"130\" data-end=\"797\"\u003eThe Navien NFC-250\/200H is a high-efficiency condensing combi-boiler that combines space heating and domestic hot water production in a single compact unit. It delivers 95% AFUE efficiency and is Energy Star certified. The unit features a 15:1 turndown ratio for both heating and domestic hot water, ensuring precise temperature control and energy savings. Equipped with a new domestic hot water module with mixing and water adjustment valves, it provides consistent, comfortable hot water. Advanced controls with an intuitive interface and Setup Wizard simplify installation and operation, while built-in powered connections support up to three zone valves or pumps.\u003c\/p\u003e\n\u003cp data-start=\"799\" data-end=\"1314\"\u003eThis boiler supports flexible venting options with 2\" pipe runs up to 65 feet and 3\" runs up to 150 feet. Its patented stainless steel fire tube heat exchanger and non-metallic condensate base ensure durability and reliability. The NFC-250\/200H is approved for high altitude installations up to 10,100 feet on natural gas and propane, with conversion kits included. It can be common vented with up to seven NPE units or cascaded with up to fifteen units, allowing easy capacity expansion for larger heating demands.\u003c\/p\u003e\n\u003cp data-start=\"1316\" data-end=\"1831\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1316\" data-end=\"1831\"\u003e95% AFUE efficiency, Energy Star certified\u003c\/li\u003e\n\u003cli data-start=\"1316\" data-end=\"1831\"\u003e15:1 turndown ratio for heating and DHW\u003c\/li\u003e\n\u003cli data-start=\"1316\" data-end=\"1831\"\u003eNew DHW module with mixing and water adjustment valves\u003c\/li\u003e\n\u003cli data-start=\"1316\" data-end=\"1831\"\u003eAdvanced controls with Setup Wizard\u003c\/li\u003e\n\u003cli data-start=\"1316\" data-end=\"1831\"\u003eBuilt-in powered connections for 3 zone valves or pumps\u003c\/li\u003e\n\u003cli data-start=\"1316\" data-end=\"1831\"\u003eVenting: 2\" up to 65 feet, 3\" up to 150 feet\u003c\/li\u003e\n\u003cli data-start=\"1316\" data-end=\"1831\"\u003ePatented stainless steel fire tube heat exchanger\u003c\/li\u003e\n\u003cli data-start=\"1316\" data-end=\"1831\"\u003eNon-metallic condensate base\u003c\/li\u003e\n\u003cli data-start=\"1316\" data-end=\"1831\"\u003eHigh altitude approval up to 10,100 ft (NG and LP) with conversion kits\u003c\/li\u003e\n\u003cli data-start=\"1316\" data-end=\"1831\"\u003eCommon venting up to 7 NPE units; cascading up to 15 units\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1833\" data-end=\"2061\"\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1833\" data-end=\"2061\"\u003eResidential and light commercial space heating\u003c\/li\u003e\n\u003cli data-start=\"1833\" data-end=\"2061\"\u003eDomestic hot water supply for multiple fixtures\u003c\/li\u003e\n\u003cli data-start=\"1833\" data-end=\"2061\"\u003eMulti-zone hydronic heating systems\u003c\/li\u003e\n\u003cli data-start=\"1833\" data-end=\"2061\"\u003eHigh altitude installations\u003c\/li\u003e\n\u003cli data-start=\"1833\" data-end=\"2061\"\u003eCascade boiler setups for increased capacity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1833\" data-end=\"2061\"\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRelated Video: NFC-H Condensing Fire Tube Combi-Boiler\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/EJcB2uUyb9Q\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"\u003e\u003c\/iframe\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;\"\u003ePZNS665113\u003c\/span\u003e\u003c\/sup\u003e\u003c\/p\u003e","brand":"Navien","offers":[{"title":"Default Title","offer_id":43945155461365,"sku":"NFC-250\/200H","price":4349.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0268\/6150\/2518\/files\/navien_nfc-250-200h.jpg?v=1753474959"}],"url":"https:\/\/www.supplystop.com\/collections\/combi-boilers\/btu-150-199.oembed","provider":"SupplyStop.com","version":"1.0","type":"link"}