The Navien NCB 300 is a very popular combi boiler and is Naviens entry-level combi boiler. It sits first in the Navien combi boiler range, below the 500 series and 700 series. As the numbers go higher in the series so to does the length of warranty, quality of the boiler and the prices. The NCB 300 series is a very popular boiler for people flipping houses, landlords, and people on a budget.
The Navien NCB 300 is a well-designed A-rated boiler that is easy to operate, it looks good and it offers a quality boiler for not much money.
Product Highlights
- 5 year manufacturer warranty
- A-rated energy efficiency (93%)
- It comes in three sizes (output-wise) 28kw, 37kW and 41kW
- It's LPG ready, so there's no need for additional costs
- Compatible with smart thermostats such as Hive and Google Nest
Benefits vs Drawbacks
Benefits
- 93% energy efficiency, resulting in lower energy bills
- It is available in three output sizes, ranging from 28kW to 41kW so it's suitable for nearly every sized home
- it's LPG compatible without any additional costs
- High hot water flow rate
- Very low prices
- Compatible with smart thermostats
- Designed to fit in kitchen cupboard
- User-friendly interface
Drawbacks
- It comes with a 5 year warranty
Summary
The Navien NCB 300 series is a great combi boiler and comes with lots of positives and not many negatives, as can be seen in this article. It is perfect for nearly all sized homes as it comes in 28kW, 37kW and 41kW.
They're small in size but high in energy efficiency and high in hot water output.
They are great looking cheaper boilers and it's no surprise that they are so popular.
Rating - 4/5