All Navien product dispatch times are between 3-7 working days.

The Navien 42kW Combi Boiler Internal NCB700 2S+/42K is designed to serve large properties, providing hot water to three bathrooms simultaneously. It boasts a 17.2 LPM flow rate, a built-in DHW recirculation pump, and hydrogen-ready technology. Comes with a 12-year warranty for peace of mind.