The Vaillant 303903 1m Eco Tec 970mm Flue Extension Kit is designed for use with gas boilers, featuring a polypropylene tank lining and condensation technology. This wall-mounted flue extension kit is compatible with smart home systems and comes in a sleek white colour. Perfect for extending the flue of your Vaillant boiler, this kit ensures a reliable and efficient heating system for your home.
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