Installer Review – the Navien Condensing NCB combi boiler

Andrew Tyler from Crawley Gas Engineer gives his opinions on the new Navien Condensing NCB combi boiler:
KyungDong Navien (KD Navien) is a South Korean manufacturer that exports HVAC products to more than 30 nations worldwide, including North America, Europe, China, and Russia.
The company entered the UK boiler market in 2015, with a focus on build quality, performance,…


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