CombiENERGY STAR
NCB-180H Combi
by Navien · NCB-H Combi series
4.7(98)
Efficiency
95%
AFUE
Output
142k
BTU/hr
Turndown
11:1
modulation
Warranty
10
yr exchanger
The NCB-180H Combi is a combi boiler best suited for larger homes with higher hot-water demand. It delivers 95% AFUE efficiency with a 11:1 turndown ratio and 5.4 GPM of domestic hot water, backed by a 10 years heat-exchanger warranty.
Key features
- Higher DHW output
- Dual stainless exchangers
- Field gas convertible
Technical specifications
Boiler typeCombi
FuelNatural Gas
AFUE efficiency95%
Heat input range18,000 – 150,000 BTU/hr
Heat output142,000 BTU/hr
Turndown ratio11:1
Domestic hot water5.4 GPM
VentingDirect vent (PVC/CPVC)
Dimensions (H×W×D)28" H × 17" W × 12" D
Weight84 lbs
ENERGY STARCertified
Warranty coverage
Heat exchanger
10 years
Parts
5 years
Labour (via installer)
1 year
Installed price range
$5,400 – $7,000
Unit only: $3,600 – $4,400
≈ $107/mo · 60 mo @ 6.99% APR
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For the NCB-180H Combi