Fits Velux GPU Windows Made From Feb 2014 ONLY Check Metal Tag On Window Jamb eg Windows Marked GPU -K-- 51mm Spindle Velux GPU Window Locking Handle 3792980 V22 is an replacement key operated locking handle. The part number required will depend on the window code and the age of the window. Fits GPU Produced from February 2014. Note, locking handles are not recommended where window is an escape route.
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