{"product_id":"ncb-250-150h-condensing-combi-boiler-250-000-btu-dhw-210-000-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 \u003cp\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 \u003cp\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 \u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e95% AFUE high-efficiency rating\u003c\/li\u003e \u003cli\u003e150,000 BTU\/hr heating input\u003c\/li\u003e \u003cli\u003e120,000 BTU\/hr net AHRI rating\u003c\/li\u003e \u003cli\u003e11.1:1 turndown ratio for space heating\u003c\/li\u003e \u003cli\u003e15:1 turndown ratio for domestic hot water\u003c\/li\u003e \u003cli\u003eField convertible between natural gas and propane\u003c\/li\u003e \u003cli\u003eSmart controls with NaviLink compatibility\u003c\/li\u003e \u003cli\u003eEnergy Star certified\u003c\/li\u003e \u003cli\u003eCompact wall-mounted design\u003c\/li\u003e \u003cli\u003eCompatible with 2″ or 3″ venting (PVC, CPVC, polypropylene, stainless steel)\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eWhole-home space heating and domestic hot water\u003c\/li\u003e \u003cli\u003eMedium to large residential homes\u003c\/li\u003e \u003cli\u003eIndoor installations with venting flexibility\u003c\/li\u003e \u003cli\u003eNatural gas or propane systems\u003c\/li\u003e \u003cli\u003eRetrofits and new construction\u003c\/li\u003e \u003cli\u003eSmart home integration with NaviLink controller\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003e\u003cstrong\u003e Aim high with Navien… \u003c\/strong\u003e\u003c\/h2\u003e \u003ch2\u003eHigh efficiency, High output, High performance, all in one compact combi\u003c\/h2\u003e \u003cul\u003e \u003cli\u003eHighest DHW maximum BTU’s in residential combi-boilers…up to 210,000 per hour\u003c\/li\u003e \u003cli\u003eHighest DHW flow rate @ 70°F rise…up to 5.4 GPM\u003c\/li\u003e \u003cli\u003eHighest number of BTU sizes for the North American residential combi-boiler market\u003c\/li\u003e \u003cli\u003eHighest residential combi DHW TDR…15:1 for all models\u003c\/li\u003e \u003cli\u003eHighest residential combi heating TDR… up to 11:1\u003c\/li\u003e \u003cli\u003eHighest number of built-in zone controls for valves or pumps… up to three\u003c\/li\u003e \u003cli\u003eHighest full lineup 2″ PVC venting lengths… up to 65 feet\u003c\/li\u003e \u003cli\u003eHighest number of cascade capable units with NPE tankless water heaters… up to 15\u003c\/li\u003e \u003cli\u003eHigh altitude certification… up to 10,100 feet (NG or LP)\u003c\/li\u003e \u003cli\u003eLowest minimum fire BTU for residential combi-boilers… as low as 10,700\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003e \u003cstrong\u003e New Navien NCB-H… \u003c\/strong\u003ethe complete combi package and no comprimises\u003c\/h2\u003e \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 \u003ch2\u003e \u003cstrong\u003e COMPARE \u003c\/strong\u003ethese advantages and see why NCB-H combis are the right fit for small and large homes\u003c\/h2\u003e \u003ctable\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003e \u003cp\u003e\u003cbr\u003e \u003cstrong\u003eDual stainless steel heat exchangers for heating\u003c\/strong\u003e\u003c\/p\u003e \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 \u003c\/td\u003e \u003ctd\u003e \u003cp\u003e\u003cbr\u003e \u003cstrong\u003eUp to 5.4 GPM @ 70°F temperature rise for DHW\u003c\/strong\u003e\u003c\/p\u003e \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 \u003c\/td\u003e \u003ctd\u003e \u003cp\u003e\u003cbr\u003e \u003cstrong\u003eDual Venturi and field gas convertibility\u003c\/strong\u003e\u003c\/p\u003e \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 \u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e \u003cp\u003e\u003cbr\u003e \u003cstrong\u003eEasy access to DHW module and valves\u003c\/strong\u003e\u003c\/p\u003e \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 \u003c\/td\u003e \u003ctd\u003e \u003cp\u003e\u003cbr\u003e \u003cstrong\u003eLow noise levels\u003c\/strong\u003e\u003c\/p\u003e \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 \u003c\/td\u003e \u003ctd\u003e \u003cp\u003e\u003cbr\u003e \u003cstrong\u003eTDR 15:1 for DHW and up to 11:1 for heating\u003c\/strong\u003e\u003c\/p\u003e \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 \u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003ctable\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003e \u003ch2\u003e\u003cstrong\u003eDual Stainless Steel\u003c\/strong\u003e\u003c\/h2\u003e \u003ch2\u003e\u003cstrong\u003e Heat Exchanger\u003c\/strong\u003e\u003c\/h2\u003e \u003ch2\u003eDesigned for exceptional\u003c\/h2\u003e \u003ch2\u003eheating performance and longevity\u003c\/h2\u003e \u003ch2\u003e\u003cstrong\u003e Heating up to \u003c\/strong\u003e\u003c\/h2\u003e \u003ch2\u003e\u003cstrong\u003e 150,000 \u003c\/strong\u003e\u003c\/h2\u003e \u003ch2\u003e\u003cstrong\u003e BTUs per hour \u003c\/strong\u003e\u003c\/h2\u003e \u003c\/td\u003e \u003ctd\u003e\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003ch2\u003e \u003cstrong\u003eBuilt-in DHW module now with\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e higher performance \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 \u003ch2\u003e\u003cstrong\u003eExpanded DHW Capability\u003c\/strong\u003e\u003c\/h2\u003e \u003cp\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 \u003cp\u003e\u003csup\u003e ZCS \u003c\/sup\u003e\u003c\/p\u003e","brand":"Navien","offers":[{"title":"Default Title","offer_id":49206655484123,"sku":null,"price":1116.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0847\/5194\/1851\/files\/ncb-h-nv_a4acec5b-e18c-4788-a794-d8064c0d5bc4.jpg?v=1788225168","url":"https:\/\/mowzyy.store\/products\/ncb-250-150h-condensing-combi-boiler-250-000-btu-dhw-210-000-btu-htg","provider":"Mowzyy","version":"1.0","type":"link"}