The Vaillant 303903 1m Eco Tec 970mm Flue Extension Kit is a white polypropylene flue extension designed for wall mounting. It is compatible with gas boilers and features condensation technology. This duct kit is ideal for heating systems requiring a 970mm flue extension, offering a reliable and efficient solution for your heating needs. With the Vaillant brand reputation for quality and performance, this extension kit is a practical and durable choice for your home heating system. Never been used just need a clean
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