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Twin Wall (ROTATING COWL) 6" or 150 mm - Flying Dutchman Stores

Twin Wall (ROTATING COWL) 6" or 150 mm

Wind driven revolving chimney cowl. Can be used on chimneys with appliances fired by gas, oil or solid fuel were the flue chamber needs help creating an upward draft. It does this by creating a vortex (from the spinning vanes on the cowl) and draws the gases upwards. This technology is used on landfill sites to remove methane.
This item comes with a FREE Locking Band.

For use on solid fuel and gas/oil appliances. eg: woodstoves, gas coal effect fires, oil boiler and any solid fuel appliances.

TWPro and KC are HETAS Approved and is CE marked.
Designation Number
EN1856-1 T600 N1 D V2 L50040 G60.


TWPro and KC Twin Wall Insulated Chimney parts are secured together by using a Locking Band.
Make sure that you keep the required distance from the outside of the flue to any combustible material (wood, plaster board).

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