Blue Flame Oil Boilers for Installers
Sustainability is at the heart of everything Navien UK does to support installers as demand grows. This is why all our boilers utilises the latest blue flame technology across the industry leading LCB700 range. This ensures optimum levels of energy efficiency during use. Our modulating blue flame burners guarantee superior efficiency and ultra-low NOx emissions.
Browse the ranges below to learn more.

LCB700 Blue Flame System Boiler – External Model
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LCB700 Blue Flame Regular Boiler (External Model)
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LCB700 Blue Flame Combi Boiler – Internal Model for installers
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LCB700 Blue Flame combi boiler – External Model for installers
Find out more12 Year Warranty
All Navien boilers are engineered for long term high performance. If a boiler is serviced regularly and breaks down within the warranty period, it’s our responsibility to repair or replace it. So all of our boilers come with a hassle-free guarantee of up to 12 years, which includes the repair and ongoing support of your product.



