Description
GU Old Style Replacement Door Lock Gearbox 35mm
A replacement GU Old type uPVC door lock gearbox centre case. This is the central gearbox unit found on your uPVC door lock mechanism. Our gearbox is manufactured to a high quality using robust components to ensure long lasting and faultless performance. When replacing your door lock gearbox you must ensure it is the exact same make and model otherwise it will not be compatible.Replacing the door gearbox is a cost effective alternative to replacing the whole door lock which runs the length of the door.
Compatibility
This gearbox will only be a compatible replacement for GU old style 35mm backset locks. Please check that your existing gearbox matches the images exactly.Information
- Important Measurements: 35mm Backset / 92pz Centres
- This is the mechanism inside the door that is operated by the handle
- Most likely to be the problem when the lock fails
- Reversible latch for left or right-handed doors
- Easy to install using existing screws
Technical
A full technical diagram is included in the image gallery.
