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
5 Year warranty out of the box
Turndown ratio of 6:1 gives great modulation range
Compact dimensions for easy cupboard fit
Lightweight design for easy installation
Easy to use display panel
Hydrogen-ready (20% blend) technology for future proofing
Compatible with Navien Smart Service Toolkit
ErP A+ energy efficiency rating when used with 3 Smart Plus room thermostats (multizone heating)
Technical specification
Waist Sizeaa28cj57gxERP RatingA+Supplier Part NumberNAVIENCTRLPK15Range DescriptionBoiler PackManufacturer Model NoNAVIENMCP14Brand NameNavien