A set of metal door lock gearboxes, typically used in multipoint locking systems, displayed on a white background.
Diagram illustrating how to measure a Mila uPVC door lock centre case gearbox, showing the "Backset" (A) and "PZ" (B) dimensions for correct fitting.
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A set of metal door lock gearboxes, typically used in multipoint locking systems, displayed on a white background.Diagram illustrating how to measure a Mila uPVC door lock centre case gearbox, showing the "Backset" (A) and "PZ" (B) dimensions for correct fitting.

Maco Old Style Gearbox – Replacement Centre Case for uPVC Multipoint Door Lock – 28mm or 35mm Backset 92mm PZ

MacoSKU: HS1504
Price:
£59.99

Key benefits

  • Direct Maco Old Style replacement - for older uPVC doors
  • Restores multipoint lock function - saves replacing the full strip
  • Standard Maco dimensions - measure your case before ordering

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Description

Maco Old Style Replacement Gearbox

The Maco Old Style centre case gearbox is the mechanism inside your uPVC door that is operated by the handle. It is the part most likely to fail when a Maco multipoint door lock stops working.

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 28mm or 35mm Backset and 92mm PZ.

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

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Frequently Asked Questions

The Maco old style gearbox is the central mechanism in a multipoint locking system, designed to control the handle and key operation in older uPVC door locks.

Common signs include a loose or stiff handle, difficulty turning the key, or the door not locking properly. These issues often indicate internal wear and should be addressed early.

This gearbox is specifically designed for older lock systems, so compatibility depends on matching the original specifications such as backset, PZ centres, and design.

Yes, in many cases you can replace just the centre case gearbox, which is a cost-effective way to restore functionality without changing the entire locking system.

Older gearboxes are more prone to wear and failure over time, which can lead to sudden lock issues. Learn more in Check This Before Your Next Let-In: Is the Door Gearbox Still Fit for Purpose.