OBV window restrictor

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  • The OBV window restrictor restricts the opening distance in the turn position to approx 50 mm if mounted on the lock side, when mounted horizontally variable opening distances can be achieved.
  • The OBV locking bar can be released for full operation of the sash by keeping the push button depressed.
  • Automatic locking; when the window is closed from the turn position the limit opening function re-engages.
  • Prevents windows from slamming shut.

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