Navien • Combi • Gas Fuel
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The Navien NCN-21K has a 89.4% efficiency rating.
The Navien NCN-21K is a Combi boiler with a maximum power output of 19.3 - 19.3 (KW) that uses Gas as its fuel source.
This boiler will provide efficient heating and subsequently reduce fuel bills and carbon dioxide emissions. Potential annual savings compared to older boilers: £150-£300.
Why the Navien NCN-21K is an excellent choice for your home
89.4% efficiency rating for maximum energy savings
Reduce your energy bills by up to £150-£300 annually
Navien quality with comprehensive warranty
Built to last with modern condensing technology
Discover other efficient boilers you might be interested in
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