ASEC Face Fix Locking Window Restrictor Kit

Face fixing Locking Window Restrictor Kit by Asec, available in left handed and right handed variants. These restrictors have a sturdy stainless steel and zinc alloy contruction, supplied with installation instructions and packing pads. The restrictors may be overridden to allow the window to be fully opened using the key if required. Please note that to ensure correct operation of the restrictor, it is important that the correct angled stud plate height is used: measure the offset of the sash from the frame.


  • Automatic locking and engagement
  • Concealed fitting
  • Restricts sash to 100mm opening
  • Suitable for use with uPVC, timber and aluminium windows
  • Dedicated key release