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CHU3G114067PB
Union 3G114E 5 Lever Deadlock 67mm Brass BS3621 (Chubb At Heart)
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Union (Chubb At Heart) B-3G114E 67mm Brass 5 Lever Bs 3K Deadlock Door Lock
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| 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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£75.00
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£62.50
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Description
Union 3G114E 5 Lever Deadlock 67mm Brass BS3621 (Chubb At Heart)
Choosing the right hardware for your external timber doors is a decision that balances convenience with absolute peace of mind. The Union 3G114E 5 Lever Deadlock 67mm Brass BS3621 (Chubb At Heart) represents a gold standard in residential and commercial security. By integrating traditional engineering with modern anti-attack technology, this lock serves as a formidable barrier against unauthorised entry.
When you select this model, you are investing in a product that carries the prestigious Chubb heritage. It is designed to meet the rigorous demands of the BS3621 standard. This means it has undergone extensive testing to ensure it can withstand the most common methods of forced entry. Whether you are upgrading your home security or specifying hardware for a commercial property, this deadlock provides the reliability and structural integrity required to keep your premises safe.
The Importance of Insurance Approved Security
Many insurance policies require that your external doors are fitted with locks that meet the BS3621 standard. The Union 3G114E 5 Lever Deadlock 67mm Brass BS3621 (Chubb At Heart) is fully compliant with these requirements. It is also approved by the Police under the Secured by Design initiative. This dual-layer of validation ensures that your property is protected by hardware that experts trust.
Using certified hardware does more than just satisfy your insurer. It provides a tangible deterrent to potential intruders. When a lock is clearly marked as insurance-approved, it signals that the property owner has taken professional steps to secure the entry points. This often encourages opportunistic burglars to bypass your home entirely in search of easier targets.
Mechanical Physics and Structural Integrity
The internal mechanism of this deadlock relies on a complex arrangement of five levers. These levers are precision-engineered to interact with the bolt in a way that prevents manipulation. When the correct key is inserted, it lifts the levers to the exact height required to allow the bolt to retract or extend. Any attempt to pick the lock without the correct key is met with significant internal resistance. This design effectively negates the effectiveness of standard picking tools.
The physical forces involved in a forced entry attempt are substantial. An intruder might use a drill, a saw, or a heavy lever to bypass the locking mechanism. This item features hardened steel rollers within the deadbolt itself. These rollers are designed to rotate if a saw blade comes into contact with them. By spinning, the rollers prevent the blade from finding a purchase, effectively blunting the attack. Furthermore, the anti-drill plates integrated into the casing protect the vital internal springs and levers from mechanical failure during a high-stress event.
Step by Step Operational Workflow
Operating this deadlock is a smooth and intuitive experience. The following steps outline the standard interaction process.
- You approach the door and insert the key into the escutcheon located on the face of the door.
- As you turn the key, you will feel the precise resistance of the five-lever mechanism as it aligns internally.
- The key rotates smoothly to drive the 20mm bolt into the striking plate mounted on the door frame.
- Once the bolt is fully extended, the lock provides a tactile click to confirm that the deadbolt is securely engaged.
- To unlock the door, you simply reverse the rotation of the key, which retracts the bolt back into the casing and allows the door to swing open freely.
This workflow is designed to be ergonomic and accessible for users of all ages. The precision machining of the internal components ensures that the operation remains fluid even after years of daily use. You will not experience the grinding or sticking common with lower-quality alternatives.
Ergonomic Health and Safety Benefits
High-quality security hardware is not just about protection from intruders. It is also about the safety and health of the people who interact with the door every day. A smooth-operating lock reduces the physical strain on your hands and wrists. When a lock is poorly manufactured, the user must often apply excessive force or jiggle the key to get the mechanism to engage. This repetitive strain can cause discomfort over time.
The Union 3G114E 5 Lever Deadlock 67mm Brass BS3621 (Chubb At Heart) is built to high tolerances. The keys slide into the cylinder with minimal friction, and the bolt throws with a satisfying, low-effort motion. By ensuring that your door hardware operates perfectly, you remove the stress and frustration from your daily routine. This is particularly important in environments where the door is used frequently, such as office entrances or busy family homes.
Commercial ROI and Long Term Value
Investing in premium hardware is a classic example of the value of long-term thinking. While cheaper locks might save you money on the day of purchase, they often fail prematurely. A failed lock can lead to emergency locksmith callouts, the need for door repairs, or worse, the loss of property due to a security breach. By choosing a robust, police-recommended solution, you are making a one-time investment that protects your assets for years to come.
The durability of the steel case, combined with the polished brass finish, ensures that this lock retains both its functional performance and its aesthetic appeal. The silver powder coat on the internal steel casing prevents the build-up of rust or oxidation. This means that the internal levers will continue to slide smoothly without the risk of seizing up due to environmental humidity. For business owners, this equates to lower administrative overheads as you spend less time and money on building maintenance.
If you are not sure if this mortice lock is right for your requirements, please contact our friendly team today. We are here to help you select the perfect hardware for your specific door type and security needs.
Technical Specifications
Understanding the technical parameters is essential for ensuring a successful installation. This deadlock is designed for timber doors and provides a heavy-duty security profile.
| Feature | Specification |
|---|---|
| Case Size | 67mm (2.5 inches) |
| Backset | 40mm |
| Faceplate Dimensions | 133mm x 25mm |
| Case Height | 77mm |
| Bolt Throw | 20mm |
| Security Standard | BS3621:2007 |
| Key Operation | Key from either side |
| Finish | Polished Brass |
| Security Features | Anti-drill, anti-pick, anti-saw |
| Guarantee | 25 Year Guarantee |
The installation process is straightforward for a professional carpenter or a confident DIY enthusiast. The 67mm case size is a standard dimension for many exterior timber doors, making this an ideal replacement for older, worn-out locks. When fitting, ensure that the striking plate is perfectly aligned with the bolt to allow for the full 20mm throw. This ensures the maximum possible engagement with the door frame, which is critical for maintaining the lock's insurance-approved status.
The inclusion of three keys means you have enough for your immediate needs, with spares available for family members or staff. The plain escutcheon and the cover plate escutcheon are finished to match the faceplate, ensuring a cohesive and professional look for your door. This attention to detail is what sets this product apart from generic hardware store alternatives. It is a complete security solution that does not compromise on visual elegance or technical performance.
By choosing this model, you are aligning yourself with a legacy of British engineering excellence. The Chubb at Heart branding is your assurance that the internal mechanism is built to the highest possible standards. Do not leave your property security to chance. Upgrade to the Union 3G114E today and experience the difference that professional-grade hardware makes to your environment.
Specification
| Manufacturer | Union |
|---|---|
| Dimensions | 77 (H) x 67 (D) |
| Guarantee | 25 Year |
| Lock Type | Mortice Deadlock |
| Lock Operation | Lever |
| Lock Backset | 40mm |
| Follower Size (mm) | N/A |
| Faceplate Width | 25mm |
| Environmental Suitability | All |
| Mechanism | Dead Lock |
| Door Material Suitability | Wood |
| Max Door Thickness (mm) | 50 |
| Forend Finish | Polished Brass |
| Security Standards | BS3621:2007 |