Maco GTS Mk3 Gearbox for Multipoint Door Lock 35mm Backset

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Maco GTS Mk3 Replacement Door Lock Gearbox Centre Case 35mm

This is genuine Maco GTS replacement gearbox to suit old-style Maco door locks. If you're having problems with your door lock the gearbox is almost always the cause of the problem. 


  • Reversible latch for left or right handed doors
  • Single spindle - for lever / lever operation
  • Replacement Gear box  for old-style Maco GTS door locks

What's in the pack?

1 x Maco GTS uPVC Gearbox Door Lock Centre Case Replacement for Maco Old Style 35mm Backset


  • Lock case length: 226mm
  • Lock case depth : 50mm
  • Lock case width: 15mm
  • Centre of latch to centre of deadbolt: 78mm
  • Deadbolt Height: 6.8mm
  • Deabolt width: 29.5mm
  • PZ: 92mm
  • Backset: 35mm

What should I check before ordering a new door lock gearbox case?

The most important measurements are the backset and the lock handle centres (the distance from the centre of the handle spindle to the centre of the barrel). Both measurements should be checked before ordering to ensure compatibility.

We aim to deliver your products as quickly as possible. Orders taken before 6:00am will normally be dispatched the same day. Orders taken after 6:00am on a Friday will be dispatched the following Monday. For all Next Day Delivery Services (next working day excluding Saturday's) please order before 12.00pm for same day dispatch. Depending on the weight and contents of your order, we either use a next-day courier service, or Royal Mail postage service.

Mainland U.K delivery times are 1-3 working days. Northern Ireland, Southern Ireland, Germany and France delivery times are 2 - 5 working days.

No Quibble Money Back Returns Policy

Shop with absolute confidence knowing that if you are not satisfied for any reason we will refund the full purchase price providing you return the item within 30 days and in the same condition as when dispatched. Except for those cases where an item proves to be faulty, damaged on delivery or incorrectly described, return delivery charges and postage expenses are not refunded.

How do I return Items?

If you need to return an item please log into your account and click on the orders tab. Locate the order you wish to return and on the right click on 'Return Items?' You will then be taken to the returns tab; on the right hand side enter the quantity you wish to return; then on the left below the item, select the return reason and then the return action (whether you would like a replacement or a refund). If a replacement is not available, we will issue you a refund. There is a comments box to the right if you need to enter any more details.

Once you are happy that all the details have been correctly entered then click on the 'Submit Return Request' button. You will then be sent a return request email from JCP Hardware with instructions.

If you have placed an order as a guest and you wish to return it, then please email.

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