Navien Hot Topics issue 8

In an unpredictable energy landscape, installers need more than just reliable boilers, they need flexibility. Discover how dual-fuel combi boilers like the Navien NCB300 help reduce delays, simplify installations and keep projects moving.

This guide explains what installers need to know about registering a boiler warranty correctly, from key deadlines and required information to common mistakes and ongoing servicing responsibilities. Learn how proper warranty registration protects the homeowner, supports your reputation, and helps maximise the value of every Navien installation.

Most boilers in the UK last around 10–15 years, but lifespan depends heavily on installation quality, servicing, and system conditions. This guide helps installers identify the signs of boiler decline, advise customers on when to repair or replace, and explain how warranties, maintenance, and proactive servicing can extend long-term performance.