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Finally, a combi-boiler strong enough to support heating and DHW for the whole house
Navien NCB is the first high efficiency tankless condensing combination boiler with the capacity to supply both heat and domestic hot water for larger homes — enough hydronic heat for a whole house, plus hot
water to run two showers and a dishwasher all at the same time.
The Navien NCB saves installation time and reduces call backs. In addition, the NCB takes up 80% less space than a traditional floor standing boiler and tank water heater. Your customer now has more room, saves energy and enjoys all the hot water they need, whenever they want it.
Compare these advantages to any tankless condensing combi system: