Navien Flue Extension 1m x 60/100mm

Product code: 453384
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The Navien 1m Flue Extension is designed for extending 60/100mm concentric flue systems used on Navien condensing boilers. It allows the boiler flue to be lengthened to reach a safe termination point where additional distance is required due to building layout or clearance requirements.

This extension is used within Gas Boiler Flues installations to increase horizontal or vertical flue reach while maintaining correct airflow and pressure performance. The component connects to existing flue parts via a secure push-fit system with a locking clamp.

Manufactured with an aluminium inner duct and a robust uPVC outer casing, the extension integrates fully with Navien’s Flues & Flashings range and is suitable for new boiler installations or upgrading existing flue assemblies.