Skip to content
You will not be surprised to hear deliveries are taking a little longer right now ! 3 to 4 weeks lead time - Click here to find out more.
Spare Cylinder for Rion Automatic Window Opener

Spare Cylinder for Rion Automatic Window Opener

This replacement cylinder fits into a Rion Roof Vent Opener and will revive a flagging opener back to it's full working capacity.

£17.95
SKU GHOAOC
Easy to fit - Simply undo the two grub screws, replace the old cylinder with the new and replace the screws, without any need to remove the opener itself.

Dimensions - 8" x ľ" diameter (20cm x 2cm)

Specifically designed to fit the Rion Window Opener.

Learn more
How it works.
The black cylinder contains a wax like substance which expands with heat. This pushes a piston which opens the vent via a metal arms linkage. As the temperature drops the wax contracts, therefore reversing the process and closing the window.