Avocet er/20/mh8/800 standard espagnolette window lock
In stock
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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Description
Avocet er/20/mh8/800 standard espagnolette window lock
Securing your windows requires hardware that combines precision engineering with long term structural integrity. The Avocet er/20/mh8/800 standard espagnolette window lock serves as a fundamental component in modern fenestration security. Designed for reliability and consistent performance, this model ensures that your windows remain tightly sealed against external elements while providing an essential layer of protection for your property.
Whether you are managing a residential renovation or handling maintenance for commercial premises, choosing high quality locking gear is vital. This item offers a streamlined design that integrates seamlessly into various window profiles. It provides the smooth mechanical movement that users expect from premium door and window hardware.
Understanding the mechanical physics of window security
The operational success of this window lock relies on the precise conversion of rotational torque into linear motion. When you turn the window handle, the internal gearbox translates this movement through the espagnolette rod to engage multiple locking points along the frame. This action creates a balanced distribution of pressure across the sash.
By spreading the load evenly, this design prevents the window frame from suffering stress fractures or warping over time. The high grade metal construction ensures that the internal components withstand significant pressure without flexing. This resistance to physical distortion is what keeps the weather seals compressed properly, which in turn maintains the thermal efficiency of your building.
Key operational benefits and features
- The gear mechanism operates with minimal resistance to ensure the handle feels smooth during every single cycle of use.
- The 800mm length is engineered to provide sufficient reach for standard window configurations while maintaining structural rigidity.
- Its 20mm backset allows for a flush and unobtrusive fit within the Eurogroove of the window profile.
- The materials used in the manufacturing process provide excellent corrosion resistance to ensure a long operational lifespan.
- Installation of this component is straightforward for professional joiners and experienced tradespeople who require a reliable hardware solution.
Pro tip for installation. Always ensure that the keep plates are perfectly aligned with the locking points of the espagnolette. Proper alignment prevents unnecessary friction and ensures the lock operates as intended for years of service.
A step by step guide to the locking workflow
Understanding how the end user interacts with this hardware highlights its functional simplicity. When closing the window, the user pulls the sash inward until it makes contact with the frame seals. At this stage, the user rotates the handle to the locked position.
As the handle turns, the espagnolette rod moves vertically within the channel. The locking cams slide into their respective keeps, effectively pulling the window sash firmly against the weather seals. This mechanical action locks the sash in place while simultaneously ensuring a tight seal that prevents drafts or moisture ingress.
When opening the window, the sequence is simply reversed. Rotating the handle back to the neutral position retracts the locking points, allowing the sash to move freely. This intuitive interaction makes it an ideal choice for high traffic environments where reliability is paramount for both safety and convenience.
Ergonomic health and safety considerations
Selecting the right hardware has a direct impact on the ease of use for occupants within a building. A window lock that binds or requires excessive force can lead to user frustration and potential repetitive strain. This particular model is engineered to operate with low friction, meaning that users of all ages can open and close windows without undue physical effort.
From a safety compliance perspective, the robust nature of this locking system ensures that the window remains secure even when exposed to adverse weather conditions. By preventing the sash from vibrating or rattling during high winds, the system protects the structural integrity of the frame. This contributes to a safer indoor environment by reducing the risk of broken seals or loose hardware components that could present a hazard.
Commercial ROI and the value of premium hardware
Investing in reputable hardware like this model is a sensible financial decision for property owners. Low cost, inferior locks often fail prematurely, leading to increased maintenance costs and the need for frequent site visits. By choosing a component built to last, you significantly reduce the total cost of ownership over the lifetime of the window.
The durability of these materials means that replacement cycles are extended, which helps in managing operational budgets more effectively. When you consider the cost of labour for hardware replacement, the value of selecting a reliable product from the outset becomes clear. This hardware helps protect your building assets, reduces heat loss through better seal compression, and minimizes the time spent on troubleshooting lock malfunctions.
Technical specifications
This table provides the essential parameters to ensure the item fits your specific requirements.
| Feature | Specification |
|---|---|
| Backset measurement | 20mm |
| Total rod length | 800mm |
| Construction material | High grade steel alloy |
| Finish type | Corrosion resistant plated finish |
| Application | Standard espagnolette window systems |
Applications and material compatibility
This hardware is highly versatile and is widely used across the fenestration industry. It is designed to work with various materials, including PVCu and aluminium profiles that feature the standard Eurogroove channel. The ability of the device to bridge the gap between different frame materials makes it a preferred choice for inventory management.
If you are upgrading an existing system, ensure that the channel dimensions match the requirements of the 20mm backset. Consistent maintenance checks, such as light lubrication of the moving parts every twelve months, will ensure the gear mechanism continues to provide seamless operation for many years. This proactive approach to maintenance is the key to getting the absolute best value from your window hardware investment.
When selecting the right size, always measure the existing espagnolette to ensure the replacement matches the original locking point positions. This will simplify the installation process significantly. Our team at Doorfit is always here to assist with technical queries regarding the compatibility of our range with your specific window system.
Choose this dependable solution for your next project and benefit from a combination of classic design principles and modern engineering standards. Whether you are stocking up for future repairs or working on a new installation, this item stands as a testament to quality craftsmanship in the security sector.
Specification
| Manufacturer | Avocet |
|---|---|
| Window Operation | Hinged |
| Faceplate Width | 16mm |
| Gear Type | Offset |

