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How Do I Unlock A Window Restrictor? [Solved]

Unrestricted closed position – turn the key anticlockwise to unlock. Restricted open position – turn the key clockwise to unlock and limit how far the window can open to 100mm. 2) Spring-loaded restrictor shown limiting how far the window can be opened.

Windows Restrictor Concealed

Windows Restrictor

UPVC Releasable Window Restrictor

Operation of our releasable

How to make and fit a window restrictor

Normal UPVC