The Navien NCB300 28kW Combi Boiler is a compact, high-performance heating solution designed to deliver outstanding efficiency, reliability, and ease of use. Built with long-lasting stainless steel heat exchangers, this boiler ensures exceptional durability and consistent performance for years to come.
The Navien NCB300 28kW Combi Boiler is a compact, high-performance heating solution designed to deliver outstanding efficiency, reliability, and ease of use. Built with long-lasting stainless steel heat exchangers, this boiler ensures exceptional durability and consistent performance for years to come.
Engineered with a 6:1 turndown ratio, the NCB300 offers excellent modulation, reducing energy waste and improving overall efficiency during low-demand periods. With an ErP A+ energy efficiency rating (when paired with three Smart Plus room thermostats for multizone heating), it’s an ideal choice for energy-conscious homeowners.
Its compact size and lightweight design make it perfect for fitting inside kitchen cupboards or tight spaces, while the user-friendly display panel allows for straightforward operation and monitoring. Installation and servicing are made simple with compatibility to the Navien Smart Service Toolkit, ensuring optimal system performance.
This boiler is hydrogen-ready (20% blend), providing future-proof technology that supports the transition to greener energy sources.
Key Features:
- 28kW output for efficient heating and hot water
- Stainless steel heat exchangers for long-term reliability
- 5-year warranty as standard
- 6:1 turndown ratio for enhanced energy efficiency
- Compact and lightweight for easy installation
- Simple control with an easy-to-read display
- Hydrogen-ready for eco-conscious upgrades
- Compatible with Navien Smart Service Toolkit
- ErP A+ when used with 3 Smart Plus thermostats (multizone capable)
