Navien Oil Boilers

High-efficiency oil boilers from Navien. These are our recommended oil
boilers for their heat exchangers, warranty and blue flame technology.


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Navien Oil Boilers

Are external oil boilers good? | Boilerhut

Navien prioritises sustainability in the heating sector. They incorporate cutting-edge blue flame technology in their premier LCB700 oil boiler series. Achieving peak energy efficiency.

Their adaptive blue flame burners ensure exceptional efficiency and low NOx emissions. All their boilers are available in an internal and external model variant.

Choose from combi, system or regular below to learn more.

Oil Combi Boilers

Navien LCB700 Combi Boiler | Boilerhut
  • Sizes: 21kW, 28kW & 36kW
  • Efficiency: 93%
  • Warranty: 10 Years
  • Modulation 1:10
  • Internal & External Models
  • Up to 20 l/min Hot Water

Oil System Boilers

Navien LCB700 System Boiler | Boilerhut
  • Sizes: 21kW, 28kW & 36kW
  • Efficiency: 93%
  • Warranty: 10 Years
  • Modulation 1:10
  • Internal & External Models

Oil Regular Boilers

Navien LCB700 Regular Boiler | Boilerhut
  • Sizes: 21kW, 28kW & 36kW
  • Efficiency: 93%
  • Warranty: 10 Years
  • Modulation 1:10
  • Internal & External Models
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