Home / Products / Boilers / Gas Boilers / Viessmann Gas Boilers / Viessmann Gas Flues and Accessories / Viessmann 1m flue extension pipe Viessmann 1m flue extension pipe Category: Viessmann Gas Flues and Accessories Description Additional information Description Viessmann 1m flue extension pipe Additional information Name Viessmann 1m flue extension pipe Product Code VV7373224 Related products Viessmann Gas Flues and Accessories Viessmann vertical flue terminal Viessmann Gas Flues and Accessories Viessmann flue mounting clip Viessmann Gas Flues and Accessories Viessmann 0.5m flue extension pipe Viessmann Gas Flues and Accessories Viessmann 45deg flue elbow (pair)