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.
| MODEL | Input MBtuH | Output MBtuH | AFUE | Dimensions HxWxD | Water Content Gal. | Weight Lbs. | HEAT INPUT MBTUH | DHW GPM @ 77DT |
|---|---|---|---|---|---|---|---|---|
| NCB-180 | 14.0 | 74.0 | 93.5 | 28.8x17.3x12 | 0.00 | 74 | 14.0-80.0 | 3.4 |
| NCB-210 | 18.0 | 92.0 | 93.6 | 28.8x17.3x12 | 0.00 | 84 | 18.0-100.0 | 4.0 |
| NCB-240 | 18.0 | 109.0 | 93.2 | 28.8x17.3x12 | 0.00 | 84 | 18.0-120.0 | 4.5 |