The game-changing NCB700 combi gas boiler from Navien 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).
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
Years Guaranteed12TypeGas Combi Boiler PkIncludesVertical Flue & Smark KitHeight45.14mmHeat Output42 kWERP RatingNot ApplicableSupplier Part NumberNAVIENCTRLPK13Range DescriptionNCB700Brand NameNavien