Restore the security and smooth operation of your door with this ERA Hook Lock Case Multi Point UPVC Door Gearbox, a reliable replacement lock case commonly used in UPVC and composite doors.
This ERA lock operates using a Lift Lever Function, allowing the multipoint locking mechanism to engage by lifting the door handle. It also offers a Split Spindle Function if required, making it suitable for a variety of compatible door locking setups.
Ideal for replacing a worn, damaged, stiff or failed gearbox without the expense of replacing the complete multipoint locking strip.
Features
- Latch & Hook
- Backset: 35mm
- PZ Centres: 92mm centre of spindle to centre of Euro profile cylinder
- Case Height: 220mm
- Case Width: 55mm
- Spindle Size: 8mm
- Euro Profile
- Lift Lever Function
- Split Spindle Function if required
- Commonly used on UPVC and composite doors
- Suitable for compatible ERA multipoint locking systems
Ideal Replacement Lock Case
This gearbox is a cost-effective solution when the centre lock case has failed but the remaining multipoint mechanism is still serviceable. Replacing only the gearbox can help restore smooth locking and secure door operation without changing the entire locking strip.
Please Check Compatibility Before Ordering
ERA multipoint door locks are available in different sizes and configurations. Please compare your existing lock carefully before purchasing.
Check the following measurements and features:
- 35mm backset
- 92mm PZ centres
- 220mm case height
- 55mm case width
- 8mm spindle
- Euro profile cylinder
- Latch and hook configuration
- Gearbox shape and fixing points
We recommend comparing the measurements and appearance of your existing gearbox with the product before ordering to ensure compatibility.
A practical replacement solution for compatible ERA UPVC and composite door multipoint locking systems.

Technical details are available in the product description.
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