Best Budget combi boiler? How Cheap!

Have we found the best price point on a budget boiler?
In this video we take a look at possibly the best deal in the combi boiler market at the moment. The Navien NCB300. We carry out a back boiler combi conversion, installing a vertical flue and complementing the new central heating system with the Navien smart programmable room thermostat. Let me know what you think.
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