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Versatile Navien Ncb300 37kw Combi Boiler + Flue, (5 Year Warranty) Gadget [GBuqXnSN]

$74.99 $239.99 -69%

Navien NCB300 Gas Combi Boiler - Compact Powerhouse Discover the Navien NCB300 gas combi boiler, the ultimate compact powerhouse designed for smaller properties. This boiler offers unparalleled hot water comfort and powerful heating, providing except

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Navien NCB300 Gas Combi Boiler - Compact Powerhouse

Discover the Navien NCB300 gas combi boiler, the ultimate compact powerhouse designed for smaller properties. This boiler offers unparalleled hot water comfort and powerful heating, providing exceptional reliability and domestic hot water performance. With its flexible installation options and sleek design, the NCB300 is a perfect fit for spaces where space is limited but performance is not. Efficiency is at its core with an ErP A+ energy efficiency rating, ensuring ultra-low running costs that won't break the bank.

Advanced Features for Enhanced Performance

The Navien NCB300 is packed with cutting-edge features that elevate its performance and convenience. Smartphone compatibility allows for remote adjustments, making it easy to control your heating and hot water systems from anywhere. The smart weather forecasting and Geofencing technology maximize efficiencies and convenience, ensuring you always have the perfect temperature at home.
  • IPX5 rating for protection against water leaks
  • 5-year warranty for complete peace of mind
Additionally, the NCB300 features extended venting up to 8m, stainless steel heat exchangers for durability, and hydrogen-ready technology for futureproofing.

Technical Specifications and Dimensions

The Navien NCB300-37K is a powerful 37KW combi boiler with a shower rating of 1 and a heat output range of 26.0/4.5kw. It offers a DHW output range of 37.0/4.6kw, with a flow rate of 21 L/Min at 25° Temp. The TDR modulation and 6:1 ratio ensure precise control, while the coaxial flue size allows for flexible installation options. With dimensions of 395 x 285 x 680 and a lift weight of 33kg, the NCB300 is designed for easy installation and maintenance. Choose the Navien NCB300 for a reliable, efficient, and convenient heating solution that meets all your hot water and heating needs.

What Our Customers Say

January 1, 2026

Absolutely no complaints!

A great product. I am very, very happy.

- Lara Q..

January 1, 2026

Absolutely no complaints!

This is a very smart, very effective tool.

- Warren G..

January 1, 2026

Absolutely no complaints!

So much better than I had ever expected.

- Colin M..

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