Yale Locks British Standard Nightlatch - BS2
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B&Q - Yale Locks Bs2 British Standard Nightlatch Multi Colour (40mm Brlux Finish Visi)
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Product Information
Full details
The Yale Locks BS2 Nightlatch is designed for homeowners and property managers seeking maximum security for timber external doors. This British Standard-approved lock provides an excellent balance of convenience and robust protection, featuring automatic deadlocking upon closure and a secure 6-pin cylinder. While it offers superior security, users should note that the professional-grade deadlocking mechanism requires precise installation to ensure the door latches correctly without friction.
All features
| Colour | Multicolor |
|---|---|
| Model Part Number | BS2 |
| Brand | Yale Locks |
Extended Product Information
FAQs
Is this lock approved by insurance companies?
Yes, the BS2 is Kitemarked to BS 3621:2007, which is a standard requirement for most home insurance policies covering external timber doors.
Can I use this on a composite door?
No, this nightlatch is designed specifically for timber doors. Attempting to install it on other materials may compromise the security integrity.
What is the benefit of a 40mm backset?
A 40mm backset is shorter than the standard 60mm, allowing the lock to be installed on doors with narrow frames or doors with glass panels where a deeper lock would not fit.
Does the door lock automatically every time?
Yes, as long as the latch bolt is allowed to fully extend into the strike plate, the door will automatically deadlock upon closure.
How long is the warranty?
The Yale BS2 comes with a 10-year guarantee against manufacturing defects.
Troubleshooting
The door does not latch automatically
Check the strike plate alignment to ensure the latch bolt moves freely into the receiver without hitting the frame.
Key is difficult to turn in the cylinder
Apply a small amount of PTFE-based lubricant to the key and insert it several times to work the lubricant into the pins.
Internal handle does not lock
Ensure the key is fully rotated to the locking position from the outside or inside, as the handle locking mechanism is linked to the cylinder rotation.
Pros and Cons
Pros
- Insurance company approved for maximum security
- Automatic deadlocking function reduces risk of forgotten locks
- Lockable internal handle adds an extra layer of security
- Compact footprint fits narrow door frames well
- 10-year manufacturer guarantee included
Cons
- Requires precise alignment for the automatic latch to engage smoothly
- Not suitable for non-timber doors without professional modification
- Internal locking feature requires habitual use to be effective
Setup, Compatibility & Care
For optimal performance, ensure the strike plate is mortised correctly into the door frame; if the alignment is off by even a few millimeters, the automatic deadlocking bolt may not engage or the door may become difficult to shut. This lock is compatible specifically with timber doors. For maintenance, keep the cylinder lubricated with a PTFE-based spray once or twice a year to ensure smooth key insertion. Avoid using oil or graphite-based lubricants, which can attract dirt and cause the 6-pin mechanism to jam over time.