IL - Length 457mm (18in) - Ø 125 (24-125-12)
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Fast deliveryMonday, November 17th*
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At a Glance
- Twin wall insulated design with a 6mm air gap
- Aluminium inner liner and zalutite coated outer case for superb durability
- Precisely engineered effective length of 419mm
- Suitable for both internal and external applications
- Handles flue gas temperatures up to 250°C
- Complies with CE and BS EN 9001:2008 standards
- Push fit and twist lock joint method
- 5 year conditional warranty ensuring peace of mind
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 457mm (18in) Length - Ø 125 is a twin wall insulated, pre-fabricated domestic gas vent designed for naturally aspirated domestic gas-fired appliances. Known for its quality and durability over the last 25 years in the UK, this gas vent features an aluminium inner liner and a zalutite outer case, separated by a 6mm air gap, ensuring optimal thermal efficiency. It supports chimney operations under negative pressure and dry conditions, with flue gas temperatures not exceeding 250°C.
Available in three diameters (100mm, 125mm, and 150mm), this product is suitable for both internal and external applications but is not compatible with condensing or positive pressure systems. This 457mm length has an installed effective length of 419mm, making it a precise fit for various installations.
SKU: 24-125-12
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 | 24-125-12 |
| Product Length | 457mm (18in) nominal, 419mm effective length |
| Diameter | 125mm |
| Inner Material | Aluminium |
| Outer Material | Zalutite (Zinc-Aluminium Coated Steel) |
| Flue Gas Temperature | Up to 250°C |
| Distance To Combustibles | 50mm (2 inches) |
| Installation Method | Push fit and twist lock |
| Warranty | 5 year conditional warranty |
| Approvals | CE, BS EN 9001:2008 |
| Compatible Fuels | Gas (Naturally aspirated gas-fired appliances) |