{"product_id":"navien-ncb-250-150h-condensing-combi-boiler-250-000-btu-ncb-250-150h","title":"NCB-250\/150H – Condensing Combi-Boiler – 250,000 BTU DHW \/ 210,000 BTU HTG","description":"\u003cp\u003eNavien NCB-250\/150H – Condensing Combi-Boiler – 250,000 BTU DHW \/ 210,000 BTU HTG\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\u003e95% AFUE high-efficiency rating 150,000 BTU\/hr heating input 120,000 BTU\/hr net AHRI rating 11.1:1 turndown ratio for space heating 15:1 turndown ratio for domestic hot water Field convertible between natural gas and propane Smart controls with NaviLink compatibility Energy Star certified Compact wall-mounted design Compatible with 2\" or 3\" venting (PVC, CPVC, polypropylene, stainless steel) Applications:\u003c\/p\u003e\u003cp\u003eWhole-home space heating and domestic hot water Medium to large residential homes Indoor installations with venting flexibility Natural gas or propane systems Retrofits and new construction Smart home integration with NaviLink controller\u003c\/p\u003e\u003cp\u003eAim high with Navien… High efficiency, High output, High performance, all in one compact combi Highest DHW maximum BTU's in residential combi-boilers…up to 210,000 per hour Highest DHW flow rate @ 70°F rise…up to 5.4 GPM Highest number of BTU sizes for the North American residential combi-boiler market Highest residential combi DHW TDR…15:1 for all models Highest residential combi heating TDR… up to 11:1 Highest number of built-in zone controls for valves or pumps… up to three Highest full lineup 2\" PVC venting lengths… up to 65 feet Highest number of cascade capable units with NPE tankless water heaters… up to 15 High altitude certification… up to 10,100 feet (NG or LP) Lowest minimum fire BTU for residential combi-boilers… as low as 10,700 New Navien NCB-H… the complete combi package and no comprimises Navien'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\u003cp\u003eCOMPARE these advantages and see why NCB-H combis are the right fit for small and large homes\u003c\/p\u003e\u003cp\u003eDual stainless steel heat exchangers for heating\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\u003cp\u003eUp to 5.4 GPM @ 70°F temperature rise for DHW\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\u003cp\u003eDual Venturi and field gas convertibility\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\u003cp\u003eEasy access to DHW module and valves\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\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\u003cp\u003eTDR 15:1 for DHW and up to 11:1 for heating\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\u003cp\u003eDual Stainless Steel Heat Exchanger Designed for exceptional heating performance and longevity Heating up to 150,000 BTUs per hour\u003c\/p\u003e\u003cp\u003eNavien's NCB-H generates enough hot water to run up to 3 showers and a dishwasher at the same time.\u003c\/p\u003e\u003cp\u003eExpanded DHW Capability For 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\u003ch3\u003eSpecification\u003c\/h3\u003e\u003ctable class=\"product-specs\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eNavien\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003eNCB-250-150H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eBoiler\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInput\u003c\/th\u003e\n\u003ctd\u003e250,000 MBH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower source\u003c\/th\u003e\n\u003ctd\u003eDual Fuel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp class=\"product-disclosure\"\u003eOutdoorSupply is an independent retailer. This product is made by Navien; we are not affiliated with Navien and all brand names and model numbers are used to identify the product we are selling.\u003c\/p\u003e","brand":"Navien","offers":[{"title":"Default Title","offer_id":48347423899837,"sku":"NCB-250-150H","price":1060.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/8304\/6077\/files\/ncb-h-nv_a4acec5b-e18c-4788-a794-d8064c0d5bc4.jpg?v=1788032699","url":"https:\/\/out-doorsupply.myshopify.com\/products\/navien-ncb-250-150h-condensing-combi-boiler-250-000-btu-ncb-250-150h","provider":"OutdoorSupply","version":"1.0","type":"link"}