Navien NCB Combi-boilers

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Navien introduces the NCB Series combi-boilers: the first condensing combination boilers capable of simultaneously delivering plentiful hydronic heat and unlimited domestic hot water (DHW) for large homes, including those in cold climates. The new NCB Series combi-boilers are uniquely designed for ease of installation and also incorporate a host of features to deliver reliable performance and notable energy cost savings. NCB Series combi-boilers also take up as much as 80 percent less space than a traditional floor-standing boiler and water heater. NCB Series combi-boilers are offered in three models, the NCB-180, NCB-210 and NCB-240. Maximum heating input for hydronic heating is 80,000 BTU/H, 100,000 BTU/H and 120,000 BTU/H, respectively. Domestic hot water flow rates for each model at 77 Delta T are 3.4 gallons per minute (GPM), 4.0 GPM and 4.5 GPM, respectively – comparable to a stand-alone tankless water heater.


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