The game-changing NCB700 combi gas boiler is the first product of its type capable of delivering hot water to three bathrooms simultaneously. Shattering all preconceptions of a combi boiler’s suitability for large properties, the NCB700 cleverly maximises recirculation of domestic hot water (DHW) to significantly reduce water wastage and offer flow rates up to an industry leading 22 litres per minute (at 35°C temperature rise). <P><P> The new boiler also features an outstanding turndown ratio of 15:1, is hydrogen-ready and can also achieve ErP A+ when used with Navien’s Smart Plus controller. <P><P> It is available in two models capable of delivering up to 42kW and 54kW of hot water respectively. And with such incredible all-round performance, this new combi boiler has reinvented what is possible in larger family homes. <p><p> <strong> Features & Benefits: </strong> <br> <ul> <li> ASME-certified stainless steel heat exchangers for optimum durability and long-term efficiencies. <br></li> <li> Built-in DHW recirculation pump for super-fast hot water delivery. <br></li> <li> NaviCirc for simple set up of hot water return system. <br></li> <li> State-of-the-art flow adjustment valve and auto mixing valve for superb hot water comfort. <br></li> <li> Industry-leading turndown ratio of 15:1 for supreme efficiencies. <br></li> <li> Easy to use digital display panel. <br></li> <li> Built-in pre-installed boiler set-up wizard. <br></li> <li> Hydrogen-ready (20% blend) technology for future proofing. <br></li> <li> Compatible with Navien Smart Service Toolkit. <br></li> <li> High-efficiency ErP rating of 94%. <br></li> <li> ErP A+ energy efficiency rating when used with single Smart Plus room thermostats (multizone heating). <br></li> <li> Navien Horizontal Flue included. <br></li> <li> Flow rate (at 35°C temp rise): 22.1 l/min <br></li> <li> DHW Output Range: 54.0/3.5kW <br></li> <li> Heat Output Range at 80/60°C: 34.0/3.4kW <br></li> </ul>

Brand Name	Navien
Material	Steel
Manufacturer Model No	93073