We use cookies to ensure a smooth, secure, and ever-improving experience on our website. By continuing to browse, you agree to our use of cookies as detailed in our Cookie Policy. Enjoy your visit and let us now if you need any help!
Cookie Preferences
We use different types of cookies for various purposes. Please select which you allow:
Experience the reliable performance of the IL Adjustable Length 305mm (12in) - Ø 125, a premium twin wall insulated gas vent system from National Flues. Designed for domestic gas vents and constructed with high quality aluminium and zalutite, this adaptable vent system delivers efficient, safe, and consistent results. Ideal for naturally aspirated gas-fired appliances, this system offers versatility and durability while meeting strict industry standards. Whether for internal or external use, this product is a smart choice for ensuring effective gas venting and optimal appliance operation.
Hover to Zoom / Click for Gallery
In Stock
£36.49
Give us a call if you find it cheaper and we'll try to price match.
At a Glance
Adjustable length for versatile installation (effective range: 75mm to 203mm)
Twin-wall insulated design for optimal thermal performance
Durable aluminium liner with a corrosion-resistant zalutite outer shell
Engineered for naturally aspirated domestic gas-fired appliances
Withstands flue gas temperatures up to 250°C
Complies with EN 1856-1 and BS EN 9001:2008 standards
Suitable for both internal and external installations
×
Email Product
Enter your email address to send the product details:
Please Note: All dimensions refer to the internal diameter of flues.
If unsure, please call 01670 206999 to ensure you choose the correct products.
We Won't Be Beaten On Price
At National Flues, we continuously monitor competitor prices. This ensures that we consistently offer you the best deals on all our products. Here’s how we keep your costs low:
Daily Price Matching: Our team adjusts prices to ensure we stay competitive.
Bulk Purchasing Power: We sell a lot, so we can negotiate better rates with suppliers, passing the savings directly to you.
Operational Efficiency: We have streamlined processes to reduce overhead.
Price Match Guarantee: If you find the same product cheaper within 48 hours, we’ll match it and refund the difference.
Free Delivery Over £100: Orders over £100 are free delivery (call us if delivery is required outside the mainland UK).
“I saved 20% on my purchase compared to other retailers. Exceptional service!” – Jane D.
The IL Adjustable Length 305mm (12in) - Ø 125 is part of a well-regarded twin wall insulated pre-fabricated gas vent system that's been a staple in the UK for over 25 years. Designed specifically for naturally aspirated domestic gas-fired appliances, this vent system is ideal for applications requiring a draught hood or diverter. It operates under negative pressure and dry conditions, withstanding flue gas temperatures up to 250°C.
Available in three key diameters—100mm, 125mm, and 150mm—this vent consists of an aluminium liner encased in a zalutite outer shell, separated by a 6mm air gap for added insulation. Suitable for both internal and external installations, it excels in non-condensing and negative pressure environments.
SKU: 24-125-15
Technical Specifications
SKU
24-125-15
Model
IL Adjustable Length - 305mm (12in)
Effective Length Range
75mm to 203mm
Nominal Diameter
u00d8 125mm
Inner Material
Aluminium
Outer Material
Zalutite (coated steel)
Operating Temperature
Up to 250u00b0C
Fuel Compatibility
Gas
Approvals
CE, BS EN 9001:2008
Distance To Combustibles
50mm (2 Inches)
Warranty
5 year conditional warranty
Joint Method
Push fit and twist lock
Installation Type
Suitable for both internal & external installations
Ensure that all installations comply with local gas safety regulations. This product is designed for naturally aspirated domestic gas-fired appliances only. Verify that a minimum distance of 50mm from combustible materials is maintained. The push fit and twist lock joint system simplifies assembly, but always check for secure connections before operation. For optimum performance, follow the manufacturer’s installation guidelines closely. It is advisable to use additional accessories, such as insulation kits or support brackets, which may be available separately to enhance your installation. Always consult a certified gas engineer if you have any doubts regarding proper fitting procedures.
The IL Adjustable Length 305mm (12in) - Ø 125 can handle flue gas temperatures up to 250°C.
No, it is not suitable for condensing applications. It's designed for non-condensing, naturally aspirated gas-fired appliances.
Yes, the IL Adjustable Length vent is suitable for both internal and external applications.
The vent system features an aluminium liner and a zalutite outer case, separated by a 6mm air gap for effective insulation.
The IL gas vent system has been trusted in the UK for over 25 years.
This vent system is available in three diameters: 100mm, 125mm, and 150mm.
No, it is designed specifically for negative pressure applications.
Delivery Information +
We work relentlessly to ensure you get your order fast.
Estimated delivery for this product is Wednesday, April 30th.
If you need faster stove or fireplace delivery please give us a call.
We can often reduce longer lead times if we pay the carrier £25 for express delivery.
Visit our Shipping Information page for more information.
Warranty & Returns +
All our products come with warranties. Mi-Flex offers a lifetime guarantee.
Returns for damaged items are covered by insurance; non-damaged returns incur return delivery costs.
Price Match Guarantee +
We will match any price like for like on a retail basis. Give us a call if you find it cheaper and want to buy from us.
Read our review in our IL - Adjustable Length - 305mm (12in) - Ø 125 buyers guide
IL Adjustable Length 305mm (12in) - Ø 125 Buyers Guide
For over 25 years, National Flues has been at the forefront of gas vent technology in the UK, offering reliable and efficient solutions for domestic gas-fired appliances. The IL Adjustable Length 305mm (12in) - Ø 125 is a standout product that combines precision engineering with robust materials to serve your gas venting needs effectively. In this comprehensive guide, we detail everything you need to know about the product, how to install it, and the optional accessories that might enhance your setup.
Product Overview
The IL Adjustable Length vent is specially designed for naturally aspirated gas appliances, ensuring that your system operates safely even at high temperatures. The product features a twin-wall insulated design, with an aluminium liner enclosed by a durable zalutite outer shell. This structure not only ensures efficient insulation but also provides added protection against corrosion. Its ability to handle flue gas temperatures up to 250°C makes it a dependable choice for any domestic gas installation.
Key Features and Benefits
- Adjustable Length: With an effective length range between 75mm and 203mm, it offers the flexibility needed to tailor the installation to your specific requirements. This means that in tight or awkward spaces, achieving the perfect fit is straightforward.
- High-Grade Materials: The use of an aluminium liner coupled with a zalutite outer shell ensures longevity and minimal maintenance. These quality components make the vent resistant to the challenges posed by long-term exposure to high temperatures and gas combustion by-products.
- Ease of Installation: The push fit and twist lock joint method simplifies the assembly process, making it easier even for installers who may not be experts. This design reduces downtime on projects and helps you get your installation up and running faster.
- Compliance with Rigorous Standards: Meeting EN and BS standards, the IL Adjustable Length vent is designed to deliver a secure and safe operation, ensuring peace of mind for homeowners and professionals alike.
Installation Process and Considerations
Pre-Installation Checks:
Before beginning installation, ensure that you have verified the distance to combustibles; a minimum clearance of 50mm is required. All components should be checked for any signs of damage or wear.
Step-by-Step Installation:
1. Assess the installation location and determine the appropriate effective length needed for a secure fit.
2. Connect the vent using the push fit and twist lock method. Ensure the connections are secure and leak-proof.
3. If required, incorporate any optional accessories (such as insulation kits or fastening brackets) to enhance the overall setup.
4. Once installed, conduct a thorough inspection to verify that all joints are properly secured and that there is no misalignment.
Safety Precautions:
Always ensure that a certified gas engineer carries out the installation if you are unsure about any part of the process. Adhering to local regulatory requirements and safety norms is essential for the longevity and safe operation of your gas vent system.
Optional Accessories
While the IL Adjustable Length vent comes as a comprehensive solution, there are a variety of optional accessories available that can further enhance your installation. These accessories include support brackets, insulation kits, additional connectors, and draught hoods. Investing in these accessories not only improves the performance of the gas vent system but also adds extra layers of safety and convenience during installation. We encourage you to search for these optional upgrades to complement your setup and ensure that you get the maximum benefit from your purchase.
Addressing Common Objections
Cost Concerns:
While some may view the initial investment as high, it is important to consider that the quality and durability of the IL Adjustable Length vent significantly reduce long-term maintenance costs and potential safety hazards. The superior materials and design choices mean that this product is built to last, making it a cost-effective solution over time.
Installation Complexity:
The ease of installation thanks to the push fit and twist lock mechanism has been designed with both professionals and DIY enthusiasts in mind. Comprehensive guidance is provided, and optional accessories can simplify the process even further. For those with any installation uncertainties, professional assistance is always available.
Compatibility with Appliances:
This vent system has been tested and proven to work effectively with naturally aspirated gas-fired appliances. By adhering to strict standards, it eliminates many of the compatibility issues seen in other products. If you have unique installation demands, optional accessories can be sourced to ensure a perfect fit for your appliance.
Future Upgrades:
Investing in the IL Adjustable Length vent system means that you are prepared not only for your current setup but also for any future changes. Its versatility in length adjustment and robust design ensure that it will continue to meet evolving installation needs. Optional accessories are regularly updated to keep pace with the latest technological advancements in gas venting.
Final Thoughts
Choosing the right gas vent system is crucial to the overall safety and efficiency of your gas appliance. The IL Adjustable Length 305mm (12in) - Ø 125 is a proven solution backed by years of experience and engineering excellence. Its adjustable length, high-quality materials, ease of installation, and robust compliance with industry standards make it an ideal choice for any domestic application. We highly recommend considering optional accessories to further customised your system and maximise performance.
This comprehensive guide has provided insights into the product’s features, installation process, and potential enhancements with optional accessories. When it comes to ensuring the highest standards of safety and operational efficiency in your home, the IL Adjustable Length vent system stands out as a reliable choice. Add to cart now or call 01670 206 999.
Compatible and other products that may be of interest...
