Home / Products / Boilers / Gas Boilers / Viessmann Gas Boilers / Viessmann Gas Flues and Accessories / Viessmann 0.5m flue extension pipe Viessmann 0.5m flue extension pipe Category: Viessmann Gas Flues and Accessories Description Additional information Description Viessmann 0.5m flue extension pipe Additional information Name Viessmann 0.5m flue extension pipe Product Code VV7373223 Related products Viessmann Gas Flues and Accessories Viessmann 87deg flue elbow Viessmann Gas Flues and Accessories Viessmann 1m flue extension pipe Viessmann Gas Flues and Accessories Viessmann 45deg flue elbow (pair) Viessmann Gas Flues and Accessories Viessmann telescopic flue kit