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Union L2C25S DDA 55mm Backset 72mm C/C Euro Deadlocking Nightlatch Satin
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Union L2C25S DDA 55mm Backset 72mm C/C Euro Deadlocking Nightlatch Satin
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Delivery Information
| Delivery Time Frame | Delivery Information |
| Next Working Day By 1PM | When an order is placed by 3pm for next working day on certain items |
| Standard Delivery | Usually delivered in 2 to 4 working days |
| Delivery Charges | |
| UK Mainland | Prices start at £3.95 for very small items, £6.50 for small, £9.50 for medium and £20 for large/long items |
| Scottish Highlands & Islands, Northern Ireland & Ireland | Prices from £30, please see our delivery page for more info. |
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£33.91
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£28.26
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Description
Union L2C25S DDA 55mm Backset 72mm C/C Euro Deadlocking Nightlatch Satin
When you are looking to secure a commercial or residential property, you need a lock that does not just hold the door shut but also makes life easier for everyone who uses it. We often think of door security in terms of strength, but true quality lies in how seamlessly the hardware integrates into your daily life. The Union L2C25S DDA 55mm Backset 72mm C/C Euro Deadlocking Nightlatch in Satin is designed to bridge the gap between heavy duty protection and the simple, intuitive operation required by modern accessibility standards.
Whether you are managing an office building, a community centre, or a public facility, your doors need to be accessible to all. If a lock is too stiff, too complex, or requires a difficult hand movement, it can create unnecessary barriers. This is exactly where the Union L2C25S excels. By focusing on smooth operation and compatibility with standard euro profile cylinders, this lock ensures that your security arrangements meet the necessary legal duties without making things complicated for your staff or visitors.
Why choose this specific nightlatch for your doors
The beauty of this particular model lies in its thoughtful design. It is built as part of a modular range, which means it is incredibly versatile when it comes to installation. If you are refurbishing an existing building or fitting out a new one, having hardware that is easy to align and install is a massive time saver. The European style casing provides a clean, professional look that fits perfectly into modern joinery. Because it features 72mm centres, it accommodates the vast majority of euro profile cylinders, giving you the freedom to choose the level of master keying or security you personally require.
One of the most important features of this unit is how it handles the latching process. We have all experienced doors that seem to rattle or fail to stay closed properly. This nightlatch solves that with an anti-thrust bolt that automatically locks against end pressure. This means that once the door clicks shut, it is held firmly in place, providing you with that essential peace of mind. It is a robust solution that manages to be both secure and exceptionally user friendly.
Built for longevity and ease of use
We know that hardware in a busy building takes a fair amount of punishment. Daily use, slamming doors, and general wear and tear can take their toll on lesser locks. The Union L2C25S is engineered with high quality materials to ensure it stands the test of time. The latch bolt itself is made from stainless steel, which is not only incredibly strong but also resists the corrosion that can plague cheaper alternatives. It is also easily reversible, so you do not need to worry about whether your door is hinged on the left or the right side. This flexibility makes it a fantastic choice for contractors and maintenance teams who need a reliable "go-to" lock that fits almost any situation.
Furthermore, the satin stainless steel finish on the forend gives the lock a sophisticated, contemporary appearance. It is a finish that hides fingerprints well and maintains its clean look even in high traffic areas. When you invest in your door hardware, you want something that looks as good as it performs, and this satin finish delivers that professional aesthetic every single time.
Meeting accessibility and safety regulations
Accessibility is not just a trend, it is a legal requirement. The Equality Act and the recommendations laid out in BS8300 and Approved Document M are there to ensure that buildings are usable by everyone. This mortice deadlocking nightlatch has been specifically developed to assist in fulfilling these duties. By providing a smooth, reliable operation that does not require excessive force to engage or disengage, it helps ensure your premises remain inclusive and compliant.
Safety is equally important, especially regarding fire prevention. This lock has been assessed for use on 30 and 60 minute timber fire doors under EN 1634-1 standards. When you are responsible for building safety, knowing that your door furniture is fire tested provides an essential layer of confidence. It is a CE marked product that has been rigorously tested to BS EN 12209, meaning it meets the high standards of performance and durability that you would expect from a brand like Union.
Key features of the Union L2C25S
- The lock is designed to assist in fulfilling duties under DDA legislation and satisfies the recommendations of BS8300 and Approved Document M.
- It is suitable for timber doors that are hinged on either the left or the right side for maximum installation flexibility.
- The latch bolt features an automatic locking mechanism against end pressure, which is provided by the integrated anti-thrust bolt.
- It is fully compatible with unsprung lever furniture up to a maximum weight of 0.75kg.
- The stainless steel latch bolt is designed to be easily reversible on site, saving you time during the installation process.
- The lock is tested to BS EN 12209 and is CE marked for your complete assurance of quality.
- It has been assessed for use on 30 and 60 minute timber fire doors to ensure your building meets fire safety requirements.
- The unit includes a 5 year guarantee, giving you confidence in the long term reliability of your purchase.
Practical application and installation
This lock is ideally suited for commercial buildings, schools, hospitals, and high-end residential properties where a blend of security and accessibility is required. Because it is pierced to accept bolt-through furniture and security roses, you have a wide range of options when it comes to choosing the handles and escutcheons that best match your interior decor. The 8mm follower is a standard size, making it compatible with most commercial lever handles available on the market today.
If you are replacing an old lock, the 55mm backset is a very common size in the UK, which often makes swapping over to this model a straightforward process. However, if you are working on a new build, the modular casing design means that your joiner can easily prepare the door to accept the lock with a standard mortice cut out. The inclusion of a matching strike plate ensures that the entire installation looks cohesive and finished to a high standard.
Technical specifications table
| Feature | Specification |
|---|---|
| Case Size | 83mm |
| Backset | 55mm |
| Faceplate Dimensions | 235mm x 24mm |
| Case Height | 165mm |
| Centres | 72mm |
| Escutcheon Screw Centres | 38mm |
| Latch Bolt Material | Stainless Steel |
| Follower Size | 8mm (Zinc) |
| Finish | Satin Stainless Steel Forend |
Professional support for your requirements
We understand that choosing the right hardware can sometimes feel like a puzzle. With so many different backsets, centres, and security standards to consider, it is perfectly normal to have a few questions before you make your final purchase. At Doorfit, we pride ourselves on being more than just a shop. We are a team of experts who genuinely care about the security and functionality of your doors.
If you are reading this and still feel unsure if this specific mortice lock is the right fit for your door or your project, please do not hesitate to reach out to our friendly team. We have years of experience helping customers find the exact hardware they need, and we would be more than happy to talk through your requirements, check the measurements, or suggest the right accessories to go with your new Union L2C25S. Whether you are a professional contractor or a homeowner doing a bit of DIY, we are here to help you get the job done right the first time.
Investing in quality hardware is an investment in the safety and accessibility of your property. By choosing a product that is designed to meet strict standards while remaining easy to use, you are making a smart decision that will serve you well for years to come. Order your Union L2C25S DDA 55mm Backset 72mm C/C Euro Deadlocking Nightlatch today and experience the difference that professional grade hardware makes.
Specification
| Manufacturer | Union |
|---|---|
| Dimensions | 165 (H) x 83 (D) |
| Guarantee | 5 Year |
| Lock Type | Mortice Nightlatch |
| Lock Operation | Euro Cylinder |
| Lock Backset | 55mm |
| Lock Centres | 72mm |
| Follower Size (mm) | 8 |
| Faceplate Width | 24mm |
| Environmental Suitability | All |
| Mechanism | Cylinder |
| Door Material Suitability | Wood |
| Max Door Thickness (mm) | 75 |
| Forend Finish | Stainless Steel |