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Navien NCB-E Combi-boiler

Highly-efficient and compact, this combi-boiler supports heating and domestic hot water for the whole home.

Efficient Comfort for Larger Homes

With the capacity to supply both heat and domestic hot water for larger homes, the NCB-E takes up 80% less space than a traditional floor-standing boiler and storage tank. And with enough hot water to run two showers and a dishwasher at the same time, keep everyone in the family happy.

The Smart Choice

The space saving design of the NCB-E Combi-boiler is ideal for homeowners who need both domestic hot water and space heating. Only heating water when you need it, this boiler is also cost efficient and environmentally sound. 

Benefits at a glance

  • Save money with super condensing efficiency
  • One of the best modulation ratios in the industry
  • Longer life expectancy with two stainless steel heat exchangers
  • Quiet and clean - with no blowers needed, the unit operates silently and there is little chance to cause dust
  • Improved combustion efficiency with low NOx emissions
  • Four models to suit your needs, ranging from 120,000 to 199,900 maximum BTU/H
  • Warranty: 10 years on heat exchanger and 5 years on parts