350mm (14") twin wall

14" 350mm diameter Twin Wall Insulated Flue System - Commercial & Domestic Applications

Suitable for multi-fuel appliances for  wood, solid fuel (coal), oil, gas, diesel, biofuel and pellet.  This flue is also perfect for biomass installations. Designed for condensing (with seal/joint) and dry applications (without joint/seal).  

Please order a locking band with each item and fit a seal with each component for condensing/wet applications.

Please note:  Diameter sizes are the internal flue size.