Multipoint Lock Gearboxes

Pivox stocks Schuco concealed gearboxes, Schuco bifold gearboxes, Smart bifold gearboxes, and Siegenia gearboxes for aluminium window and door systems across the UK. Whether you need a Schuco concealed gearbox for a tilt and turn or SimplySmart window, a Schuco bifold gearbox for ASS 70 FD folding door hardware, a Smart bifold gearbox for a Visofold 1000 system, or a Siegenia gearbox for a drive gear replacement, our range covers the core multipoint lock gearbox products for aluminium installations. Schuco concealed gearboxes and Smart bifold gearboxes are held in UK stock for rapid dispatch.

Types of Door Gearboxes

Products span Schuco concealed gearbox for tilt and turn aluminium windows, cavity fitted gearbox for outward opening windows, centre case, composite door gearbox, hook box gearbox, deadbolt, and multipoint lock gearbox configurations for uPVC and aluminium systems. Single spindle, twin spindle, double spindle, split spindle, and roller options are available to suit specific backset and centre case requirements.

• Schuco 277034 concealed gearbox right hand — SimplySmart, AWS 80 SC, 23mm fixing centres, RC 2

• Schuco 277033 concealed gearbox left hand — SimplySmart, AWS 80 SC, 23mm fixing centres

• Schuco 243034 concealed gearbox right hand — tilt and turn aluminium windows, 23mm fixing centres

• Schuco 243033 concealed gearbox left hand — tilt and turn aluminium windows, 23mm fixing centres

• Schuco 243037 concealed gearbox right hand — 43mm fixing centres

• Schuco 243038 concealed gearbox left hand — 43mm fixing centres

• Schuco 275068 cavity fitted gearbox — outward opening windows, double throw, 43mm fixing centres

• Schuco 248479 gearbox — Schuco bifold gearbox for ASS 70 FD folding sliding door systems

• Smart ACDV425 bifold gearbox — Smart Visofold 1000 shoot bolt bifold door handle gearbox

• Siegenia gearbox — SI Siegenia drive gear replacement for tilt and turn window systems

Selecting and Matching Gearboxes

Selecting the correct multipoint lock gearbox requires matching PZ centres, backset sizes, spindle type, and brand matching to the existing door lock rail and keeps and faceplates. The center case gearbox is the key component determining locking mechanism compatibility — copy gearboxes may fit the lock case but can impair the locking mechanism operation over time; genuine gearboxes are specified for systems requiring full locking points compliance. Centre case gearbox options differ between uPVC door and aluminium systems. The Schuco concealed gearbox range uses 23mm or 43mm fixing centres; identifying the correct hand and centre before ordering avoids costly returns.

Replacement and Installation Guidance

Replacing a door gearbox involves removing the faceplate and rods, extracting the centre case via torx screws, and fitting the genuine gearbox with matching backset and locking cycle. Installation instructions are supplied with all gearbox-only replacements. Technical diagrams are available for Schuco concealed gearbox, Smart bifold gearbox, and Siegenia gearbox variants on request. Multipoint lock replacement with screws and correct faceplate and rods is a diy-friendly process on most aluminium systems when the part number is confirmed first.

Security Standards and Compliance

Schuco concealed gearboxes with Multiple points along the frame, forced entry resistance, and upgraded cylinders with security escutcheons ensure compliance with security regulations across composite doors and aluminium systems. Cylinder locks and locking mechanism selection should be confirmed to insurance requirements before specifying replacement gearboxes.

Diagnosis and Maintenance

Common gearbox wear symptoms include gearbox cam failure, split spindle failure, worn gears, misalignment, and broken return spring. Internal cams and internal components should be inspected when multi-point lock operation becomes stiff or locking mechanism resistance increases. Spindle mechanism issues and torx screws coming loose are typical in high-use commercial applications. Replacement door lock gearbox components are available on a gearbox-only basis to reduce cost where the faceplate and rods remain serviceable.

Care and Maintenance Practices

Regular lubrication of gearbox cam, locking mechanism, and multiple points contact faces reduces gearbox strain and extends service life. Door alignment checks prevent misalignment-related wear; door lock security is maintained by ensuring correct operation of the locking mechanism at all locking points. The genuine lockmaster and milamaster door lock gearbox profiles alongside Schuco and Siegenia gearbox replacements are available for door lock problems requiring a replacement door lock gearbox on centre case systems.

Frequently Asked Questions

Same-day dispatch is available on stocked Schuco concealed gearbox lines. Next-day delivery options are available across the UK. Backset and spindle type confirmation is required before ordering — our team can assist with identifying the correct uPVC door gearbox or multipoint lock gearbox from a photo or part number. Replacement gearbox centre case and hook multipoint door lock variants are stocked, including double spindle and single spindle lock case options. Insurance requirements vary; composite doors and multipoint locks with TS007-rated cylinders and latch reversal options are available on request. For any lock case or multipoint lock gearbox query not covered above, contact our team directly.