IL - Length 152mm (6in) - Ø 100
At a Glance
- - Twin wall insulated design for optimal thermal performance
- - Robust aluminium inner liner with a corrosion-resistant zalutite outer shell
- - Reliable push fit and twist lock joint system for quick, secure installation
- - Suitable for naturally aspirated domestic gas-fired appliances under dry, negative pressure conditions
- - Over 25 years of proven reliability in UK installations

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 152mm (6in) fixed length pipe by National Flues is a twin wall insulated, pre-fabricated gas vent system made for naturally aspirated domestic gas-fired appliances. Trusted nationwide for over 25 years, it has earned a reputation for outstanding quality and dependability. This gas vent is suitable for installations requiring negative pressure and dry conditions, with flue gas temperatures not exceeding 250°C.
Available in 100mm, 125mm, and 150mm diameter options, the IL system consists of an aluminium inner liner encased in a zalutite outer shell, separated by a 6mm air gap to ensure optimal performance. Note: It is intended for internal and external use but is not suitable for condensing appliances or positive pressure applications.
SKU: 24-100-14
Technical Specifications | |
---|---|
SKU | 24-100-14 |
Product Name | IL - Length 152mm (6in) - u00d8 100 |
Length | 152mm (6 inches) |
Available Diameter Options | 100mm (current model), 125mm, 150mm |
Inner Material | Aluminium |
Outer Material | Zalutite (galvanised steel with zinc and aluminium coating) |
Insulation | 6mm air gap |
Maximum Flue Gas Temperature | 250u00b0C |
Distance To Combustibles | 50mm (2 inches) |
Joint Method | Push fit and twist lock |
Warranty | 5-year conditional warranty |
Approvals | CE, BS EN 9001:2008 |
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Friday, April 4th. 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.
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National Flues Ltd Verdict
The IL 152mm (6in) fixed length pipe is a top-tier choice for domestic gas vent applications. With over 25 years of proven reliability, this product is designed for high performance. National Flues guarantees swift nationwide delivery and caters to both retail and trade customers, ensuring you receive competitive pricing and excellent service.
The IL 152mm (6in) fixed length pipe is designed for venting flue gases from naturally aspirated domestic gas-fired appliances under negative pressure and dry conditions.
National Flues is a trusted supplier of high-quality fireplaces and flues across the UK, serving both retail and trade customers with exceptional products and reliable delivery.
