High security nightlatch with internal lockable handle and automatic deadlocking. Features anti-bu...High security nightlatch with internal lockable handle and automatic deadlocking. Features anti-bump technology for enhanced security. Supplied with Yale 1109 cylinder and two keys. Available in standard 60mm backset. The latch automatically deadlocks upon closing the door, but features a snib button to hold the latch back. For additional security, the inside handle can also be deadlocked by a reverse turn of the key in the outside cylinder after closing the door. This night latch is ideal for securing timber & glass-panelled doors. Recommended for use in conjunction with another lock, such as a deadlock or Euro cylinder. Comes with a 2 year manufacturer's mechanical guarantee.
YALE YAL85DMGSC B-85-DMG-SC-40 Nightlatch Dark Metallic Finish, High Security with Automatic Deadlock, Gray, 40Free delivery in 1–3 days£22.68Visit shop →
Yale Dark Metallic Gray/Satin Chrome Locks 89 Deadlock Nightlatch Dmg Cylinder 60 Mm Backset BoxedFree delivery in 1–3 days£31.99Visit shop →
This guide is for homeowners seeking enhanced security for their front doors. The Yale Deadlocking Nightlatch provides robust protection with its automatic deadlocking and anti-bump technology. A key caveat is that proper installation is crucial for optimal performance. This nightlatch offers key-operated access from the outside and lever-operated access from the inside, featuring a snib button for added control and a 60mm backset. Its design incorporates a Yale 1109 5-pin cylinder and is built with a gun metal finish, promising both security and aesthetic appeal.
All features
Colour
Grey
Model Part Number
630089001702
Brand
Yale Locks
Extended Product Information
FAQs
What is the backset of this nightlatch?
This model has a 60mm backset.
What type of cylinder does it use?
It comes with a Yale 1109 5-pin cylinder.
How do I deadlock the nightlatch?
You can deadlock it by a reverse turn of the key in the outside cylinder after closing the door or by using the snib button on the inside.
What is anti-bump technology?
Anti-bump technology protects against lock-bumping attacks, a method used to manipulate the lock without a key.
Is professional installation recommended?
While not required, professional installation is recommended to ensure optimal security and functionality.
What is the warranty?
This product comes with a two-year manufacturer's mechanical guarantee.
How do I maintain the nightlatch?
Lubricate the lock mechanism annually and clean it with a damp cloth to remove dirt.
Can I replace the cylinder?
Yes, the cylinder is replaceable, but ensure you select a compatible Yale cylinder.
Troubleshooting
The lock is difficult to operate.
Lubricate the lock mechanism with a suitable lock lubricant.
The latch does not fully extend when the door closes.
Check the alignment of the strike plate and adjust if necessary.
The key does not turn smoothly.
Ensure the key is the correct one and there is no debris inside the cylinder. Consider lubricating the cylinder.
The snib button is engaged, preventing key access.
Ensure the snib button is in the unlocked position.
The lock feels loose or wobbly.
Tighten the screws securing the nightlatch to the door.
Pros and Cons
Pros
Enhanced security with automatic deadlocking.
Protection against lock-bumping.
Convenient internal lever operation.
Ability to deadlock from the inside or outside.
Durable construction with a gun metal finish.
Comes with a two-year manufacturer's mechanical guarantee.
Cons
Requires professional installation for optimal security.
The 60mm backset may not be compatible with all door types.
Key operation from outside might be inconvenient for some users.
Reliance on keys for external access could be a concern.
The snib button may be accidentally engaged, locking the door.
Requires regular maintenance to ensure smooth operation.
Setup, Compatibility & Care
Setup:
Carefully follow the manufacturer's instructions for installation.
Ensure the door and frame are in good condition and suitable for the nightlatch.
Use the provided template to mark the correct positions for drilling.
Install the cylinder and test the locking mechanism.
If you are not familiar with lock installation, consider professional installation.
Compatibility:
This nightlatch is designed for doors with a standard 60mm backset.
Check door thickness compatibility before installation.
Ensure the door frame is sturdy enough to support the nightlatch.
Care:
Lubricate the lock mechanism annually with a suitable lock lubricant.
Clean the lock with a damp cloth to remove dirt and debris.
Avoid using harsh chemicals or abrasive cleaners.
Regularly check the strike plate and ensure it is aligned.