IL - Adjustable Length - 457mm (18in) - Ø 125 (24-125-16)
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Fast deliveryMonday, November 17th*
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At a Glance
- Adjustable length design offering effective installation lengths between 75mm to 356mm
- Robust twin wall insulated construction for enhanced safety
- Durable aluminium liner with a corrosion-resistant zalutite outer casing
- Certified to CE and BS EN 9001:2008 standards
- Suitable for both internal and external applications under dry conditions
- Designed for naturally aspirated domestic gas-fired appliances
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.
Have Questions?
Phone: 01670 206999
Email: sales@nationalflues.com
- Details
- Specs
- Install/Packs
- FAQs
The IL Adjustable Length 457mm (18in) Ø 125 Gas Vent is a twin wall insulated gas vent system, meticulously designed for naturally aspirated domestic gas-fired appliances. It’s engineered to perform optimally under negative pressure and dry conditions, supporting flue gas temperatures not exceeding 250°C. This configuration includes an aluminium liner paired with a zalutite outer casing, separated by a 6mm air gap for superior insulation.
Its versatility makes it suitable for both internal and external applications, though it’s not designed for condensing and positive pressure environments. Available in three sizes – 100mm, 125mm, and 150mm diameters – this product adapts to various installation needs. Renowned for its durability and efficiency, the IL Gas Vent System is your go-to solution for secure and reliable flue performance.
SKU: 24-125-16
Delivery Information* +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Monday, November 17th. This is based on current lead times. Bear in mind that it is a busy time of year. If you need a product delivered by a specific time in the next 7 days, then please give us a call on 01670 206 999. Visit our Shipping Information page for more information.
About National Flues Ltd +
We began over 30 years ago as a fireplace shop in the North East. We now supply hundreds of trade professionals and thousands of retail customers, all across the UK, every month. We are still a family owned business, lead by the MD Neil, and always try our best to deliver the best possible experience. We also price match, so give us a call if you find this cheaper and want to buy from us. Visit our about us page to read a bit more.
This is us — real advice over the phone, or at the counter, and real stock in our warehouse.
| Technical Specifications | |
|---|---|
| SKU | 24-125-16 |
| Product Name | IL - Adjustable Length - 457mm (18in) - Ø 125 |
| Design Standard | EN 1856-1 T250 N1 D Vm L11030 0(50) |
| System | IL |
| Adjustable Length | 457mm (18in) |
| Available Diameters | 100mm, 125mm, 150mm |
| Inner Material | Aluminium |
| Outer Material | Zalutite (zinc-aluminium coated steel) |
| Fuel Compatibility | Gas |
| Approvals | CE, BS EN 9001:2008 |
| Temperature Limit | Up to 250°C |
| Distance To Combustibles | 50mm (2 inches) |
| Warranty | 5 year conditional warranty |
| Joint Method | Push fit and twist lock |
