Products tagged with 'efficient combi boiler'

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.