This easy to fit restrictor is available in both 335mm and 500mm long and suitable for use on PVC-u, aluminium and timber doors. 


Using our innovative arrow-head mechanism this restrictor is designed to operate in a minimum 4mm air gap and is suitable for all eurogrooved profile systems.


  • The 335mm version will hold windows and doors open at up to 90°
  • The 500mm version will hold windows and doors at up to 120°
  • Different positioning of the frame/sash parts will give the required hold position.
  • The friction can be adjusted by means of a "Phillips" screw. 
  • All materials used are durable and non-corrosive
  • Restrictors are available in 430 Stainless Steel as standard.

Tech 1000 Slimline Hold-Open Door Restrictor 500mm