CB Single valve incl. accessories and connector 



connector ø

Free cross-
section cm²

List price   
vlsek50es 50 20 127,30   
vlsek60es 60 28 127,30   
vlsek67es 67 35 127,30   
vlsek80es 80 50 127,30   
vlsek100es 100 78 127,30   
vlsek125es 125 124 127,30   
vlsek150es 150 173 127,30   

The double valve is the more recommendable version from a thermal/energy perspective.

Install the PVC tube with minimal incline to the outside.

Shorten PVC tube with saw to the thickness of the wall.

The PVC tube with blanket insulator fits exactly in the core drilling 180 mm.

CB Air valve handles

CB Flexible shaft


CB Alu flexible tubes

 CB Universal joint