Vaillant Ecomax 60/100 mm Air/Flue Duct Extension

Vaillant 303902 ecomax 470 mm air/flue extension is an expertly durable extension, ideal for use with any Vaillant ecotec or ecomax boiler system. Designed to be a 60/100 concentric flue system with a 100 mm diameter and 60 mm connections, it enables you to extend the length or your flue by 470 mm. The extension is finished in White and works brilliantly with all Vaillant horizontal air/flue ducts, horizontal telescopic air/flue ducts and vertical air/flue ducts.