Navien NCB 300 Boiler Review and Price Guide

James Elston
Written by James Elston
Updated on 2nd January 2024
Posted on 1st January 2024
Topic: Boiler Advice
Navien NCB 300 Boiler Review and Price Guide
navien ncb 300

When it comes to choosing a reliable and efficient boiler for your home, the super reliable Korean made Kyung Dong Navien NCB 300 boiler is a popular option worth considering.

These excellent budget buy options combi great technology, high performance, and energy efficiency, this boiler offers a range of features that make it an affordable boiler replacement.

Find out more about this boiler in our expert guide, and if you see what you like, you can get one installed as soon as tomorrow with Boiler Central.

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Navien NCB 300 combi boiler review, features, pros and cons

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In this Navien NCB 300 combi boiler review, we will delve into the details of the Navien NCB 300 boiler, exploring its key features, installation process, efficiency and performance, user experience, and more.

By the end, you’ll have a thorough understanding of whether the Navien NCB 300 boiler is the right choice for your heating needs or whether there is a better alternative with twice the warranty is a better option.

Who are Kyung Dong Navien boilers?

Navien UK is a Korean boiler brand that sells boilers across the world. Kyung Dong Navien boilers are manufactured by the company Navien, Inc. which is a leading manufacturer of high-quality heating and water heating products.

navien hq

Established in 1978, KD Navien has been dedicated to developing innovative and energy-efficient solutions for domestic properties and businesses for commercial use across the world and has not looked back.

Since entering the UK market, Kyung Dong Navien has gained a more than strong reputation in the heating and cooling industry for its commitment to technological advancements, product reliability, and overall great customer satisfaction.

Navien boilers, including the Navien NCB 300, are designed and manufactured to meet high standards that are demanded in this day and age and deliver reliable performance and energy efficiency to homeowners.

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Overview of Navien NCB Combi 300 Boiler

Like every good combination boiler, the Navien NCB 300 is a condensing combi-boiler that provides both hot water and central heating.

These 93% energy efficient boilers come with a compact design and stainless steel heat exchangers, it is suitable for small to medium-sized homes, offering convenience and space-saving benefits.

Navien combi boilers are relatively new to the UK market but have good quality construction and reliable performance, lowering the chances of a dreaded boiler breakdown in winter when you need your boiler with a consistent supply of heat and hot water throughout the year.

Navien NCB 300 28kw combi boiler specification

Width x Depth x Height395 x 285 x 680mm
Efficiency ratingErP A 93%
Modulation (max/min)6:1
Heat output range @ 80/60°C24kW
DHW output range28kW
DHW flow rate for kitchen @ 45°C temp. rise.9l/min
Max flue length8m
Lift weight29kg

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Key Features of Navien NCB 300 Boiler

The Navien NCB 300 boiler boasts several noteworthy features that contribute to its popularity among homeowners.

Firstly, it incorporates advanced condensing technology, which maximises energy efficiency and reduces fuel consumption.

This not only helps reduce energy bills but also has a positive impact on the environment. Additionally, the boiler features a stainless steel heat exchanger that enhances durability and corrosion resistance.

Another key feature of the Navien NCB 300 boiler is its user-friendly interface. The intuitive controls and digital display make it easy to operate and adjust settings according to individual preferences.

Moreover, the boiler offers excellent modulation capabilities, allowing it to adjust the heat output based on demand, ensuring optimal comfort and efficiency.

Installation Process

Installing the Navien NCB 300 boiler requires professional expertise to ensure proper setup and functionality. It is essential to hire a certified technician who is familiar with the boiler’s installation requirements.

The installation process involves connecting the necessary plumbing and electrical connections, as well as configuring the settings for optimal performance.

By following the manufacturer’s guidelines and utilising the expertise of a professional, you can ensure a seamless installation of the Navien NCB 300 boiler in your home.

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Efficiency and Performance

The Navien NCB 300 boiler excels in terms of efficiency and performance. With its condensing technology and high modulation ratio, the boiler achieves an impressive energy efficiency rating.

This means that it maximises the use of fuel, minimizing waste and reducing heating costs. The Navien NCB 300 boiler is also known for its fast heat-up and quick response time, ensuring a constant supply of hot water and maintaining a comfortable indoor temperature.

Maintenance and Longevity

Regular maintenance is crucial for the longevity and optimal performance of the Navien NCB 300 boiler. The manufacturer recommends scheduling annual maintenance checks by a qualified technician to ensure that all components are in good working condition.

During these maintenance visits, the technician will inspect and clean the boiler, check for any potential issues, and make necessary adjustments.

One of the notable advantages of the Navien NCB 300 boiler is its self-diagnostic capabilities. The boiler is equipped with an intelligent control system that can detect and display Navien boiler error codes in case of any malfunctions.

This feature simplifies troubleshooting and enables technicians to quickly identify and resolve issues, minimizing downtime and inconvenience for homeowners.

Additionally, the Navien NCB 300 boiler is designed with durability in mind. The stainless steel heat exchanger not only enhances performance but also increases the lifespan of the boiler.

The robust construction and high-quality materials used in its manufacturing contribute to its longevity, ensuring that homeowners can rely on the boiler for many years to come.

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User Experience and Customer Reviews

Homeowners who have installed the Navien NCB 300 boiler have generally reported positive experiences.

The boiler’s user-friendly interface and intuitive controls make it easy to operate and adjust settings. The digital display provides clear information about the boiler’s status, making it convenient to monitor its performance.

Customers have praised the Navien NCB 300 boiler for its consistent and reliable supply of hot water and heat. The fast heat-up time and high modulation ratio ensure quick response to changes in demand, resulting in optimal comfort and energy efficiency.

Users have also appreciated the quiet operation of the boiler, as it does not produce excessive noise during its normal functioning.

Comparison with Other Boilers

To make an informed decision, it’s important to compare the Navien NCB 300 boiler with other options available in the market. When compared to non condensing boilers, the Navien NCB 300 boiler stands out due to its condensing technology and high energy efficiency.

It outperforms older models with its condensing technology by maximising fuel utilisation and reducing energy waste.

In terms of size and space-saving benefits, the compact design of the Navien NCB 300 boiler makes it suitable for homes with limited space. It eliminates the need for separate hot water storage tanks, saving both space and installation costs.

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Pros and Cons of Navien NCB 300 Boiler

Pros

  • High energy efficiency and condensing technology.
  • Compact design, suitable for small to medium-sized homes.
  • User-friendly interface and intuitive controls.
  • Fast heat-up and quick response time.
  • Self-diagnostic capabilities for easy troubleshooting.
  • Stainless steel heat exchanger

Cons

  • Low warranty period
  • Hard to get parts
  • Not as efficient as better boilers

Navien NCB 300 Cost and Value for Money

The Navien NCB 300 boiler costs around £570 to buy on its own, which makes it one of the cheapest combi boilers under £1,000 without installation, therefore expect NCB 300 combi boiler installation costs around £1,650.

This is in line with other budget condensing boilers in the market. While it may have a lower cost and less warranty compared to more established boilers, its energy efficiency and long-term savings on fuel bills make it a worthwhile investment.

The durability and reliability of the Navien NCB 300 boiler also contribute to its overall value for money and is a great cheaper replacement for homeowners looking for a cost-effective replacement.

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What is a better option?

if you are looking for a better option, a tried and tested boiler is the Alpha E-Tec combi boiler that comes with a huge 10 years warranty, thats twice as much as the NCB 300. If you are wanting an even better boiler with a longer warranty, then the Viessmann Vitodens 050-w is perfect as it comes with an extended 12 years warranty!

Conclusion

In conclusion, the Navien NCB 300 boiler offers a range of features and benefits that make it a compelling choice for homeowners seeking a reliable and efficient heating solution.

With its advanced condensing technology, user-friendly interface, and impressive performance, the Navien NCB 300 boiler provides optimal comfort while minimising energy consumption. The longevity, durability, and positive user experiences further solidify its position as a top contender in the market.

FAQs

How long does the Navien NCB 300 boiler last?

Navien says that their NCB 300 combi boilers are built to last as long they have regular servicing and annual maintenance checks by a qualified technician which will help ensure their longevity and optimal performance.

Is the Navien NCB 300 boiler energy-efficient?

Yes, the Navien NCB 300 boiler is highly energy-efficient up to 93% out of the box. It incorporates advanced condensing technology that maximises fuel utilisation and reduces energy waste. This efficiency not only helps lower energy bills but also reduces the carbon footprint.

Can I install the Navien NCB 300 boiler myself?

No, the installation of the Navien NCB 300 boiler should be done by a professional technician who is trained and certified to install this specific model. Proper installation is essential to ensure safety, efficiency, and warranty coverage.

Does the Navien NCB 300 boiler require regular maintenance?

Yes, regular maintenance is necessary to keep the Navien NCB 300 boiler running smoothly. The manufacturer recommends annual maintenance checks to inspect and clean the boiler, identify any potential issues, and ensure its optimal performance.

How does the warranty of the Navien NCB 300 boiler work?

The Navien NCB 300 boiler comes with a warranty that covers certain components and parts for a specific period. The warranty terms and conditions may vary, so it’s important to carefully read and understand the warranty documentation provided by the manufacturer.

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Summary

In summary, the Navien NCB 300 boiler is a reliable and efficient heating solution for homeowners. With its advanced technology, ease of use, and high performance, it offers optimal comfort and energy savings.

However, professional installation and regular maintenance are necessary to ensure its longevity and proper functioning. Consider the specific requirements and consult with a Gas Safe registered heating engineer or professional to determine if the Navien NCB 300 boiler is the right choice for your home heating needs.

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Written by
James Elston
James Elston Director Of Boiler Central
Posted on: 1st January 2024
Topic: Boiler Advice

James Elston is our resident boiler replacement and heating expert here at Boiler Central. With over 20 years experience in the boiler installation industry, James ensures that he knows everything there is about our Gas Safe boiler installations, energy saving and home heating solutions. This can be from simply procuring the latest best combi boilers, to reviewing and ensuring that Boiler Central maintains the highest standards across our boiler installation company.

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