The Vaillant 100mm flue duct extension (470mm, 303902) is designed for use with ecoTEC and compatible Vaillant boilers. It provides a reliable extension for safe and efficient flue system installation in condensing boiler setups.
The Vaillant 0020223472 Vertical Roof Terminal Component is a black flue component designed for vertical roof termination applications within compatible Vaillant concentric flue systems.
Specified for a diameter range of 60–100mm, this component is intended for use with the relevant Vaillant roof terminal arrangement. Check the manufacturer's installation guidance and boiler compatibility information before ordering to ensure it is suitable for your specific flue system.