Manual Window Openers

We try to include as much detail as possible on all our product pages including things like – item descriptions, technical details, specifications, measurements, applications etc to help our customers ascertain if it is the right product for them. If you are unsure whether a particular screwjack is the right one for your window, then please then do not hesitate to contact us and a member of our team will be happy to help to make sure that you get the correct product for your window requirements.

Yes, these window types are also known as hopper windows. We can supply the necessary brackets and fixings to make an opener work on these.

The conduit comes in 3m lengths which can be joined together to form longer lengths. When joining conduit you will need to use our conduit grooving tool to ensure the two ends are securely connected.

As well as the common White, Grey, and Black options, Rocburn are able to supply Anthrocite Grey from stock as well.

Typically speaking it’s best to replace the system, for a couple of reasons.  First is that although Teleflex is the best known, there are multiple brands in the market manufacturing winding gear and there’s no easy way to tell which brand conduit or cable you have. Another key reason is that all the equipment is subject to the same wear and tear, therefore, other components are likely to fail very soon.

By turning the operating handle from an accessible location, you drive a helical cable inside a conduit fixed to your wall. As the cable travels through a chain opener located at the window, it drives a cog which then drives a chain out of the opener body and its links lock in a way that allows the chain to become rigid, pushing the window or vent open.