Fitting comfortably inside a cupboard with ease due to a compact 280mm depth, this energy-saving boiler boasts the same high-quality construction as the NCB700. It can achieve hot water outputs of up to 41kW while boasting an industry-leading ErP efficiency of 93%. Plus, thanks to Navien's state-of-the-art flow adjustment valve and auto mixing valve, the NCB500 is able to provide lots of hot water, with no changes in DHW temperature or flow rate. The boiler also features a built-in, text-driven digital display panel; simple to program and use, it includes a two-channel timer and allows energy usage to be monitored with ease.
Stainless steel heat exchangers for optimum durability and long-term efficiencies
10 Year warranty out of the box
Flow rate of up to 15.2LPM(at 35''C temperature rise)
State-of-the-art flow adjustment valve and auto mixing valve for superb hot water comfort
Turndown ratio of 6:1 gives great modulation range
Compact dimensions for easy cupboard fit
Easy to use digital display panel
Built-in pre-installed boiler set-up wizard
Hydrogen-ready (20% blend) technology for future proofing
ErP A+ energy efficiency rating when used with 3 Smart Plus room thermostats (multizone heating)
Technical specification
Years Guaranteed10Waist Sizeaa47cc19gtTypeGas Combi Boiler PkIncludesVertical FlueHeight37.06mmHeat Output37 kWSupplier Part NumberNAVIENPK13Range DescriptionNCB500Brand NameNavien