IL - Length 1524mm (60in) - Ø 100
At a Glance
- - Robust aluminium liner with corrosion-resistant zalutite outer shell
- - Designed for naturally aspirated gas-fired appliances
- - Suitable for both internal and external applications
- - Proven over 25 years of trusted performance in the UK
- - Handles flue gas temperatures up to 250°C

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: [email protected]
- Info
- Specs
- Install
- FAQs
The IL Twin Wall Insulated Gas Vent Pipe, measuring 1524mm (60in) in length with a 100mm diameter, is a premium choice for naturally aspirated domestic gas-fired appliances equipped with a draught hood or diverter. This well-engineered system, featuring an aluminium liner encased in a zalutite outer shell, separated by a 6mm air gap, is built to operate under negative pressure and dry conditions, handling flue gas temperatures up to 250°C. Available in varying diameters (100mm, 125mm, and 150mm), the IL gas vent is versatile for both internal and external applications, though it is not suitable for condensing or positive pressure applications.
Known for over 25 years in the UK market, the IL system is synonymous with durability and superior quality.
SKU: 24-100-10
Technical Specifications | |
---|---|
Length | 1524mm (60in) |
Diameter | 100mm |
Inner Material | Aluminium |
Outer Material | Zalutite (Steel coated with zinc and aluminium) |
System | IL |
Maximum Flue Gas Temperature | 250u00b0C |
Air Gap | 6mm |
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 |
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Thursday, April 3rd. 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. If you find it cheaper within 48 hours, we'll refund the difference.
Compatible and other products that may be of interest...
National Flues Ltd Verdict
At National Flues, we proudly recommend the IL Twin Wall Insulated Gas Vent Pipe. With over 25 years of trusted performance in the UK, this high-quality product ensures reliability for your domestic gas appliances. Whether you're a retail or trade customer, enjoy our reliable nationwide delivery.
The IL Twin Wall Insulated Gas Vent Pipe is designed for venting naturally aspirated domestic gas-fired appliances, ensuring safe and efficient operation under negative pressure and dry conditions.
National Flues is a leading supplier of fireplaces and flues across the UK, known for their competitive prices, reliable delivery, and excellent service to both retail and trade customers.
