Rotowent on slide bearings

Classic chimney cowl that can be used for smoke ducts.


no electricity

2 years warranty

 product  protected



Self-adjusting chimney cowl Rotowent on slide bearings is a device, which, in a dynamic way, uses force of the wind to increase chimney draught. The cap always places itself in the opposite direction to the wind no matter of its strength or direction.

It is to be mounted on gravitation based chimney ducts endings: flue (gas, oil) and smoke - versions made with stainless steel. With versions made with copper or galvanised steel - ventilation.


Technical data

Available diameters: 150, 200, 250, 300, 350, 400 [mm]
Base versions: See catalogue card
Material versions: See catalogue card
Max working temperature: 500 [ºC]
Bearing system: slide bearings
Warranty: 2 years




  • when there are wind fluctuations on the chimney duct ending, caused by its bad location
  • when there is an unfavorable terrain configuration, with strong and frequent winds
  • when there is a lack of chimney draught or it is too weak
  • in order to improve the natural (gravitation) smoke chimney draught




gas and oil boilers

 wood stoves*   coal stoves*

do not use on coal based fuel






* concerns versions with base made with 1.4301 chrome-nickel steel sheet and cap with 1.4404 acid-resistant steel sheet

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