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The OBV Safety Catch Restrictor automatically restricts the window from opening regardless of sequence of operation, offering both safety and security. The locking bar can be released for full operation of the sash by keeping the push button depressed.
When the window is closed from the turn position, the limit opening function re-engages automatically.
Can be retrofitted to existing windows as an additional security and safety device.
The restrictors are easy to fit and is miantenance friendly as the frame section can be adjusted within a range of +3mm.
The OBV Safety Catch Restrictor for timber and PVCu automatically restricts the window from opening more than 50-100mm and prevents the window from slamming shut. Our extensive range of angle packers is available to allow the restrictor to be fitted to PVCu windows.
