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FUH-359-TYPE3-MULTI
Fuhr 859 (Type 3) 2 Hook 2 Roller Multipoint Door Lock 35mm
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Fuhr 859 type 3. multipoint door lock c/w split spindle
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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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£84.29
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£70.24
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Description
Fuhr 859 (Type 3) 2 Hook 2 Roller Multipoint Door Lock 35mm
Securing your property requires hardware that balances robust physical resistance with seamless daily operation. The Fuhr 859 (Type 3) 2 Hook 2 Roller Multipoint Door Lock 35mm stands as an industry benchmark for those seeking reliable multipoint locking systems. Designed for precision and durability, this component ensures your entry points remain fortified against unauthorised access while maintaining smooth performance for years.
This particular model is engineered to provide comprehensive coverage across the door edge. By utilising both hooks and rollers, it distributes locking force effectively to prevent door bowing and resist forced entry attempts. Whether you are upgrading an existing entrance or installing a new security configuration, this piece of equipment offers the peace of mind that comes with high quality European manufacturing standards.
Mechanical Physics and Structural Integrity
When you engage this locking system, you are initiating a complex sequence of mechanical interactions designed to safeguard your home. The hooks are engineered to pull the door sash tightly into the frame, creating a compression seal that prevents draughts and maintains structural alignment. By distributing tension across multiple points, the mechanism avoids the concentration of stress at a single location, which significantly reduces the risk of material fatigue over thousands of cycles.
The steel composition of the internal gear set provides the necessary resistance to withstand torque applied during attempted manipulation. Because the rollers move in tandem with the hook movement, the lock creates a unified barrier that resists lateral forces. This design is crucial for doors exposed to seasonal temperature shifts, as the rollers allow for slight tolerance adjustments, ensuring the handle always operates with minimal resistance.
Operational Workflow and User Experience
Interacting with this multipoint system is designed to be intuitive for any user. To lock the door, simply close the door sash until it is flush with the frame. From the outside, you lift the lever handle upwards, which engages the hooks and rollers into their respective keeps. Once the handle is lifted to its maximum point, you can turn the key to deadbolt the mechanism, ensuring that the handle is held in a fixed position.
The inclusion of split spindle nightlatch operation adds another layer of convenience for homeowners. This allows you to set the lock so that the door remains secure from the outside upon closing, requiring a key to re-enter. Meanwhile, the interior side allows for a quick exit in emergency situations, adhering to modern safety expectations without compromising the overall security of the building envelope.
Ergonomics and Security Compliance
High quality door hardware should never be a source of physical frustration. The internal spring mechanism of this item is calibrated to provide consistent feedback, meaning the handle movement is fluid rather than stiff or jerky. By choosing this model, you ensure that elderly or vulnerable residents do not struggle with excessive force requirements during daily operation.
Compliance with security standards is also a primary benefit of choosing reputable hardware. By upgrading your locking system, you contribute to the overall insurance rating of your premises. A multi-point system is often a prerequisite for valid home insurance policies, as it demonstrates a commitment to preventing opportunistic burglary. The hardware ensures that the door remains securely anchored in the frame, which acts as a powerful deterrent against lever-based forced entry techniques.
Commercial Value and Long Term Reliability
Investing in superior door hardware is a clear exercise in long term financial planning. Lower quality alternatives often suffer from internal part failure or latch degradation within a few years of installation. By contrast, this robust unit is built for longevity, meaning you avoid the administrative and financial burden of frequent replacements or professional call-out fees.
When you account for the lifespan of the hardware, the initial investment is quickly offset by the reduction in maintenance requirements. Furthermore, preserving the integrity of your door frame by preventing warping is a hidden value that saves you from expensive door replacements later down the line. Protecting your home assets starts at the entry point, and this locking mechanism provides a foundational layer of protection that lasts.
Technical Specifications
To ensure this model is compatible with your current door setup, please review the technical dimensions outlined below.
| Feature | Detail |
|---|---|
| Product Name | Fuhr 859 Type 3 Multipoint Lock |
| Backset | 35mm |
| Centres | 92mm |
| Case Height | 195mm |
| Overall Length | 2170mm |
| Hook Distance | 1490mm |
| Inner Roller Distance | 699mm |
| Operation | Lift lever or split spindle nightlatch |
Guidance on Latch Reversal
If you find that the latch tongue is facing the wrong way for your door configuration, you can easily reverse it. Simply identify the screw located on the side of the lock case, right next to the latch itself. Once you remove this screw, the latch can be pulled out, rotated 180 degrees, and reinserted. Replace the screw to secure the latch in its new position and test the mechanism before final installation.
Still uncertain if this is the correct replacement for your existing door hardware. Our friendly team is here to help you make the right choice for your specific door setup. Please contact our team at Doorfit to discuss your requirements and ensure a perfect fit for your security needs.
Choosing the Right Hardware for Your Needs
When replacing a multipoint lock, it is vital to measure your existing components accurately. The backset measurement, which is the distance from the edge of the door to the centre of the handle spindle, must match exactly to ensure the handle clears the door profile. Similarly, the 92mm centres measurement is standard for many UK doors, but always verify this to prevent alignment issues during installation.
Beyond the measurements, consider the door material. This lock is versatile enough for use in a variety of timber, composite, and uPVC doors. Its robust steel construction ensures it holds firm in various materials, providing a consistent anchor point. If you are fitting this into an older door frame, ensure the frame itself is still structurally sound to get the maximum benefit from the locking hooks.
Ultimately, the goal is to create a secure perimeter for your household or business. By focusing on the quality of the internal movement and the durability of the hooks and rollers, you are choosing a path that prioritises long-term security. Should you have any technical queries during the installation process, referring to the manufacturer instructions or seeking professional advice is recommended to ensure the system is tuned for peak performance.
Remember that the smooth operation of your door lock is also dependent on the alignment of the keeps in the door frame. If you notice resistance when lifting the handle, check that the hook keeps are correctly positioned to receive the locking bolts without scraping. Proper alignment is the secret to a lock that functions silently and effectively for decades.
Specification
| Manufacturer | Fuhr |
|---|---|
| Guarantee | 12 Months |
| Lock Type | Multipoint |
| Lock Operation | Euro Cylinder |
| Lock Backset | 35 |
| Lock Centres | 92mm |
| Follower Size (mm) | 8 |
| Faceplate Width | 16mm |
| Mechanism | 2 Rollers - 2 Hooks |
| Door Material Suitability | UPVC |
| Max Door Thickness (mm) | 65 |
| Forend Finish | Stainless Steel |