Similarly, you can install them on any uPVC window, and they are designed to limit the aperture, preventing children from falling out. In contrast, the restrictors, which require a two-handed operation to release the catch, are non-key operated.

Cable Window Restrictor - Fixed Window Security Cable Perma Cable Window Restrictor - Fixed Window Security Cable

To fit Part A : Measure the required distance you would like the window to be restricted to from Part B, Health & Safety regulations and guidance recommend a maximum 100mm opening. Mark the drill holes for Part A with a pencil. Close the window and drill the pilot holes and then screw in the screws with a flat head screwdriver. Place the supplied screw caps covers in Part B. BS EN13126-5:2011 Achieved pass tests for mechanical load, impact, percussion and cutting tests for a force of 3,600 newtons. Notably, Boa Restrictors have surpassed all British testing standards and are appropriate for use on fire egress applications.

There is a lot to consider when choosing a window restrictor or cable door restrictor and as the leading manufacturer we have put together this guide to Cable Window Restrictors and door restrictors.

Cable Restrictors - Child Safety Window Cable Restrictor Cable Restrictors - Child Safety Window Cable Restrictor

To over-ride a window restrictor so that the window can be opened further than 100mm use either the key supplied or the push and twist mechanism. Note that the Perma window restrictor can’t be over-ridden without removal.

Cable window restrictors are a crucial element in window safety as they enable windows and doors to be opened up to 100mm to prevent falls and prevent entry through a window. By using window restrictors you can open windows and doors to allow fresh air to circulate, secure in the knowledge that vulnerable people aren’t at risk. In the past I have fitted a few Pro-5’s and I have been extremely impressed with the quality, ease of fitment and strength of this product. Customers have also commented to me, how secure they feel, with this fitted to their windows. To fit part B: Place Part B on the fixed window frame or wall and mark the drill holes with a pencil. Next drill the pilot holes for Part B with a 3mm drill bit and then screw in the screws with a flat head screwdriver. To remove a window restrictor, either to replace it, or because it’s no longer needed simply use a screwdriver to remove the two body compartments attached to the opening window frame and the fixed cill, wall or window. If you have been considering how to install a window restrictor this guide is for you. Maybe you have been considering a window restrictor but have been put off by the thought of complicated fitting take a look at our window restrictor fitting instructions. No longer do you need to ask yourself “how to fit a window restrictor” here’s the guide to installing window restrictors.