Colt Cowl (Mini Rotorvent) Anti-Downdraft

Our Price: £95.99 Incl. VAT: £115.19

Availability: In stock

Product Code: CCRV1800

Mini Rotorvent



Mini Rotorvent, used as an aide to prevent fumes and smoke from entering rooms by spinning in the wind to create an updraft.

Made of 316 Stainless Steel.

Suitable for use with the following fuels: coal, wood, gas, oil, smokeless fuels.


Fits flues or chimney pots with diameters of 80mm to 180mm (Adaptor required).


Same day dispatch if ordered before 2pm.





Rotorvent Cowl



Comes with hook bolts and strap fixings to attach to top of the chimney pot and is also suitable for use on twin-wall flue pipe. 

Attaches to flue diameters of  (80mm - 180mm).

For temperatures up to 250C.


Building Regulations

Download Building Regulations Document J (effective October 2010) below

Download Document J

(Right click link, then select "save file as..")