Vaillant 303902 EcoMax Air/Flue Duct Extension, White

When your boiler location requires extra reach, the 470mm Vaillant Flue Extension is your go-to accessory for extending the standard flue run. It allows installers to reposition the flue terminal further from walls, windows, or obstacles, useful for plume discharge control or meeting clearance requirements.Built for compatibility with Vaillant's ecoTEC / Ecotec and other 100mm flue systems, this extension maintains safe exhaust flow characteristics and helps maintain system integrity even when extending flue paths. Installation is straightforward: insert between flue elbows or terminal components, secure the seal, and check alignment and clearance. For the homeowner or DIYer, it offers a clean, compliant solution to routing constraints without resorting to makeshift ducting.Features & Benefits: Vaillant Flue Extension - 470mm, Push-fit connectors simplify integration, reduces joint complexity & installation time, Gives flexibility to positioning flue terminal, Vaillant-matched system compatibility. Vaillant Flue Extension - 470mm White