Sean Keleher

Navien ON technology: Everything Installers need to know

Navien UK developed its revolutionary ON technology to create a new approach to home heating, one where consistent hot water can be supplied to larger homes, without a cylinder. The technology is demonstrated in Navien’s NCB ON range of advanced Combi Crossover boilers which boast the cylinder-less advantages of a compact combi model with the […]

Read More

An installer’s guide to the Combi Crossover boiler

Navien UK’s range of Combi Crossover boilers offers benefits for installers and their customers. In this handy guide, Sean Keleher, Technical Director for Navien UK, explains what installers need to know about these heating systems. Harnessing new technology for home heating Combi boilers have long been the favoured choice for British homes, thanks to their […]

Read More

Navien’s NaviCircTM – What installers need to know

Sean Keleher – Technical Director – at Navien UK explains how the NaviCircTM from Navien works, and the benefits for installers and end users: At some point or another, we have all had the unfortunate experience of an icy cold shower or impatiently waiting for the water to turn hot from the kitchen tap as […]

Read More

NCB700 ON Combi Crossover and NCB500 ON Parameters and Test Mode

Whether running natural gas or LPG, the NCB700 ON Combi Crossover and the NCB500 ON both have a host of parameters that can change the settings on the boiler for the type of system it is attached to. Sean Keleher – Technical Director – Navien UK explains more: In the parameter settings you will find: […]

Read More

How to set up the Navien NCB700 ON Combi Crossover

Sean Keleher, Technical Director at Navien UK tells us how to set up the NCB700 ON boiler once it has been installed. This guide can also be used in reference to the NCB500 ON: If you are reading this guide, it is likely that you are either planning on installing the NCB700 ON Combi Crossover […]

Read More