Yale Locks Deadlocking Nightlatch - Grey - 40mm Backset

* High security nightlatch * Internal lockable handle and automatic deadlocking * Anti-bump * Supp...

Best current price£25.84from Power Tools Direct

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OnBuy.comYale B-85-Dmg-Pb-40 Deadlocking Nightlatch 40Mm Brass Cylinder Grey Case
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eBayYale 85 Deadlocking Nightlatch PB (B-85-DMG-PB-40)
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Product Information

Full details

This guide helps homeowners understand and effectively use the Yale Deadlocking Nightlatch in Grey with a 40mm backset. This nightlatch enhances front door security with features like automatic deadlocking and an anti-bump cylinder. Keep in mind that while it offers robust security, it's essential to understand its operation for optimal use.

All features

ColourGrey
Model Part NumberSkip20A
BrandYale Locks

Extended Product Information

FAQs

How do I lock the door from the inside?

You can deadlock the inside handle by making a reverse turn with the key in the outside cylinder after closing the door.

What is the backset?

The backset is the distance from the edge of the door to the center of the keyhole. This model has a 40mm backset.

What if I lose my keys?

Contact a locksmith. It is advisable to change the cylinder for security reasons.

What is the guarantee?

The nightlatch comes with a two-year manufacturer's mechanical guarantee.

How do I maintain the lock?

Clean it with a damp cloth and apply graphite lubricant to the cylinder annually.

Can I use this lock on any door?

It is primarily designed for front doors. Check for compatibility with your door's dimensions.

Troubleshooting

Key does not turn in the cylinder.

Check if the cylinder is lubricated. If not, apply graphite lubricant. Ensure the key is the correct one for the lock.

The latch does not engage automatically.

Check the alignment of the strike plate. Ensure that the door closes properly and that nothing obstructs the latch mechanism.

The snib button does not hold the latch back.

Check for any obstructions around the snib button. Make sure the latch is not damaged.

Pros and Cons

Pros

  • Enhanced security with automatic deadlocking.
  • The internal lockable handle prevents unauthorized access from inside.
  • The anti-bump feature protects against lock picking.
  • Suitable for doors with narrow frames due to the 40mm backset.
  • Easy to operate with a key from the outside and a lever handle from the inside.

Cons

  • Requires a key to open from the outside.
  • Can be complex to understand all functions initially.
  • Limited to front door applications.
  • The 40mm backset may not be suitable for all door types.

Setup, Compatibility & Care

Setup:

  1. Ensure you have the correct backset (40mm in this case) for your door.
  2. Follow the provided installation instructions to mount the nightlatch on your door.
  3. Ensure the cylinder is aligned correctly with the strike plate.

Compatibility:

  • Suitable for most front doors.
  • Check the door frame for compatibility with the lock's dimensions.

Care:

  • Clean the lock with a soft, damp cloth.
  • Avoid using harsh chemicals or abrasive cleaners.
  • Lubricate the cylinder with graphite lubricant annually to maintain smooth operation.

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