A set of metallic door lock mechanisms with keys, displayed from different angles to show the details.
Diagram illustrating how to measure a Mila uPVC door lock centre case gearbox, showing the "Backset" (A) and "PZ" (B) dimensions for correct fitting.
A set of metallic door lock mechanisms with keys, displayed from different angles to show the details.
Diagram illustrating how to measure a Mila uPVC door lock centre case gearbox, showing the "Backset" (A) and "PZ" (B) dimensions for correct fitting.
ERA

ERA Vectis Gearbox – Replacement Centre Case for uPVC Multipoint Door Lock – No Cylinder Required – 35mm/45mm Backset 92mm PZERA Vectis Gearbox - 35mm/45mm Backset - 92mm PZ - No Cylinder Required

£49.99 £39.99 Sale SKU: HS2833
Backset
Backset
Order by 2pm for same-day dispatch
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Same-day dispatch on orders before 2pm

The gearbox is the most common part to fail on a ERA multipoint lock — replace just this centre case, not the full strip, and save.Check your backset is 35mm/45mm before ordering.

Key benefits
  • Replaces ERA Saracen Surelock - 35mm/45mm backset, 92mm PZ
  • Restores multipoint lock function - deadbolt and latch
  • Standard ERA dimensions - measure your case before ordering
Product overview

ERA Vectis Replacement Gearbox

The ERA Vectis centre case gearbox is a self-contained replacement that does not require a separate euro cylinder. It is supplied with two keys.

Replacing just the gearbox is far more cost effective than buying a complete new lock. The centre case re-attaches to your existing locking strip.

Key Measurements

The most important measurements are 35mm or 45mm Backset and 92mm PZ.

This gearbox is non-handed, fitting both left and right-handed doors.

Important Note

No euro cylinder required. This gearbox is supplied with two keys as standard.
Delivery & Returns

How much is delivery?

UK Mainland Delivery is £2.99 on all items no matter how many you order!

Northern Ireland, Scottish Highlands, Channel Islands £6.00.

We do not offer International Delivery (Ireland, France, Spain etc).

When will my order be dispatched?

Orders before 3pm (Monday to Friday) are usually dispatched same day but may take up to 24 hours.

When will I receive my item?

We ship on 2 working day courier. Fully Tracked. Tracking will be emailed on dispatch. 

Special order items such as keyed alike locks will take longer to dispatch. Please refer to product description for lead times. 

I haven't received my item?

Please email us your name, order number and date of purchase.

We prefer email as it allows us time to research and respond.

Returns Information

We operate a 30 day refunds and return policy. 

If you change your mind you must return the product back to us within 30 days of delivery

Please include a copy of your invoice and a note stating reason for return. 

Additional keys, locks keyed alike or built to code are non refundable as they are personalised made to order goods.

Any refund, which is due to a fault or other defect, will include a refund of the applicable delivery charges otherwise not. 

It is the buyers responsibility to arrange the return of goods to us. We do not offer a collection service for returning items. 

Items must be returned including original product packaging and accessories.

We reserve the right to refuse any returns that do not comply with this policy.

Please post returns to the following address:

Home Secure (Online)

Unit 5, Brookfield Drive

Liverpool, L9 7AJ

United Kingdom

Frequently Asked Questions

The ERA Vectis door lock centre case gearbox is the central mechanism inside a multipoint locking system, commonly used in uPVC and composite doors. It controls how the handle and key operate the locking points, ensuring your door locks securely and functions smoothly.

Signs include a stiff handle, difficulty turning the key, or the door not locking properly. If left unchecked, these issues can worsen over time. Learn more in Check This Before Your Next Let-In: Is the Door Gearbox Still Fit for Purpose.

No, compatibility depends on key measurements like backset, PZ centres, and the overall gearbox design. Always check your existing lock specifications to ensure the replacement gearbox will fit correctly and function as intended.

Yes, many homeowners can replace a gearbox with basic DIY tools. However, proper alignment is essential to avoid further issues, so if you're unsure, it’s best to seek professional help.

A failing gearbox can lead to the door becoming difficult to operate or even completely locked shut. This can compromise both security and access. Replacing it early helps avoid costly emergency repairs and ensures your home stays protected.