Finally, a combi-boiler strong enough to support heating and DHW for the whole house.
Navien NCB is the frst high effciency 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. You now has more room, saves energy and enjoys all the hot water they need, whenever you want it.
The first high efficiency tankless condensing combi‑boiler that can do it all.
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