The Navien NCB500-2S/37K Combination Boiler offers a robust 37kW output, ideal for homes with two showers. With an ErP A+ energy efficiency rating and smart technology, it provides exceptional heating performance and hot water comfort. Compact enough to fit in a kitchen cupboard, it features stainless steel heat exchangers, smartphone compatibility, and a 10-year parts and labour warranty for long-term peace of mind.
The Navien NCB300-37K Combination Boiler delivers powerful heating and hot water performance with a 37kW output, making it ideal for homes with up to two showers. This compact gas condensing combi boiler offers efficient heating and DHW flow rates up to 21.3 l/min. With flexible installation options and a 5-year warranty, it ensures reliability and comfort for medium-sized homes.