IL - Adjustable Length - 305mm (12in) - Ø 100
At a Glance
- Adjustable Length Design for Bespoke Installations
- Twin Wall Insulation with Aluminium Liner and Zalutite Outer Shell
- Withstands Flue Gas Temperatures up to 250°C
- Suitable for Naturally Aspirated Domestic Gas-Fired Appliances
- Available in 100mm, 125mm, and 150mm Diameters
- Push Fit and Twist Lock Joint Method for Secure Assembly
- 5 Year Conditional Warranty for 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: [email protected]
- Info
- Specs
- Install
- FAQs
The IL Adjustable Length Flue Pipe - 305mm (12in) - Ø 100 is a high-quality, twin wall insulated pre-fabricated gas vent designed for domestic use. Trusted for over 25 years in the UK, this system is known for its exceptional performance and durability. It is specifically crafted for naturally aspirated gas-fired appliances with a draught hood or diverter, operating under negative pressure and dry conditions.
Capable of handling flue gas temperatures up to 250°C, it features an aluminium liner and a zalutite outer case, separated by a 6mm air gap. This ensures superior insulation for both internal and external installations. Available in diameters of 100mm, 125mm, and 150mm, it is not suitable for condensing or positive pressure applications.
SKU: 24-100-15
Technical Specifications | |
---|---|
SKU | 24-100-15 |
Model | IL Adjustable Length - 305mm (12in) - u00d8 100 |
Inner Material | Aluminium |
Outer Material | Zalutite (Zinc and Aluminium Coating) |
Application | Domestic, naturally aspirated gas-fired appliances |
Temperature Rating | Up to 250u00b0C |
Diameter Options | 100mm, 125mm, 150mm |
Distance To Combustibles | 50mm (2 Inches) |
Warranty | 5 Year Conditional |
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 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
Our IL Adjustable Length Flue Pipe is a testament to over 25 years of quality and innovation in the UK. Perfect for natural draught domestic gas appliances, this flue pipe ensures safety and efficiency. With our unbeatable prices and reliable nationwide delivery, both retail and trade customers can trust us for their flue solutions.
The IL Adjustable Length Flue Pipe is used for venting naturally aspirated domestic gas-fired appliances, ensuring safe and efficient removal of flue gases.
National Flues is a trusted supplier of high-quality fireplaces and flues across the UK, renowned for unbeatable prices and reliable nationwide delivery. We cater to both retail and trade customers with secure online payments and dedicated service.
