Rotating Anti Downdraught Cowl / 150mm, Black

**TW-Pro is not compatible with any other brand of twinwall chimney system**

150mm / 6" diameter TW Pro Twin Wall Insulated Chimney System Anti Downdraught / Draught Increasing Cowl.

Includes a locking band.

Wind driven revolving chimney cowl. Used where there are problems with downdraught;or simply to increase the upward draught where the flue does not produce the required pressure. Creates a vortex (from the spinning vanes on the cowl) and draws the gases upwards.

NOTE: WE SUGGEST YOU SURVEY THE HEIGHT OF THE CHIMNEY RELATIVE TO THE ROOF OR ADJACENT BUILDINGS BEFORE OPTING FOR THIS PRODUCT AS IT MAY NOT ALWAYS PRODUCE PERFECT RESULTS.

For use on solid fuel, gas or oil appliances.

Insulation: compressed rockwool. 

All parts fully welded.

Distance to combustibles is 60mm. (e.g. wood, plaster board).

TW Pro is HETAS Approved and is CE marked.

TW Pro Twin Wall Insulated Chimney parts are secured together by using a Locking Band.

NOTE – The 150 diameter referred to in twin wall chimneys is the internal diameter - the external diameter is 200mm and is not used to describe the part.