The Angel Ventlock

Retrofit Version

The Retrofit version is fitted into the stiles of the Top Sash - one on either side.

The units are single action, so fitting two ensures compliance with ASTM F2090 2008, 2010 & 2017

retrofit main

Product Description

These units have been Focus group tested and have been proven to be operable without prior knowledge or tools. Primarily fitted as an after market device where access to the sash is difficult. This type can also be installed as a Factory fitted device to avoid interruption of assembly lines.

Two screws are used to fix each unit in place. Fixing is through the front of the unit and into the sash. For use primarily on Timber and Aluminium windows. Can also be fitted to Vinyl and Fibreglass units where suitable fixing is available.

IMPORTANT: Window manufacturing and device fitting is subject to tolerances beyond our control. For this reason, it is the responsibility of the window manufacturer and/or installer to ensure that the correct product is specified and fitted. The installer must confirm that the device operates and resets correctly otherwise the safety features provided by this product will not work . If the device does not reset correctly it will not comply with ASTM F2090-2008, 2010 and 2017 regulations and will not be fit for purpose.

Fitting Instructions


Standard Bend

Flat Bend

Shallow Bend