Permanent Chimney Cowls
DarcoMSRP:Now: £36.99Was:Chimney cap is a chimney flue pot cover to help protect chimney flue against rain or snow. Chimney flue cap is fully made of stainless steel which makes it last for very long time. Rigid design and reliable mounting method ensures that the cap is as...MSRP:Now: £36.99Was:
Permanent cowls use the kinetic energy of the wind to generate a vacuum in the chimney. They do not change their position relative to the blowing of air. They usually have a cylindrical shape of the letter "H" or star-shaped. They are used at the ends of ventilation ducts and flue gas.
You will also find in this section some permanent cowls with additional generating extra draught motor. These cowls are good for purposes where extra draught is required and no spinning cowls can be used due to lack if wind or lack of space.