IL - Wall Band (Internal) - Ø 125
At a Glance
- - Robust lateral support at intervals not exceeding 3 metres
- - Designed for naturally aspirated domestic gas appliances
- - Durable aluminium liner with corrosion-resistant Zalutite outer case
- - Proven quality and reliability for over 25 years in the UK
- - Suitable for both internal and external applications with proper weather protection

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 - Internal Wall Band Ø 125 ensures robust lateral support for your chimney flue system. To be installed at intervals not exceeding 3 metres, this product is essential for maintaining the stability and safety of your flue. Designed for use with naturally aspirated domestic gas-fired appliances equipped with a draught hood/diverter, it operates under negative pressure and in dry conditions, with flue gas temperatures capped at 250°C.Available in diameters of 100mm, 125mm, and 150mm, this twin-wall insulated, pre-fabricated domestic gas vent system has proven its quality and reliability in the UK for over 25 years.
Constructed with an aluminium liner and a Zalutite outer case separated by a 6mm air gap, this product offers versatile installation options, suitable for both internal and external applications. However, note that it is not suitable for condensing and positive pressure applications. For external use, ensure appropriate weather protection for the galvanised component.
SKU: 24-125-51
Technical Specifications | |
---|---|
SKU | 24-125-51 |
Diameter | u00d8125mm |
Inner Material | Aluminium |
Outer Material | Zalutite coated steel |
Max Flue Gas Temperature | 250u00b0C |
Installation Interval | 3 metres maximum |
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 - Internal Wall Band Ø 125 is a top choice for dependable chimney flue support. Trusted nationwide for over 25 years, our flue systems meet the highest standards of quality and reliability. We serve both retail and trade customers with competitive pricing and reliable delivery.
The IL - Internal Wall Band Ø 125 is designed to provide lateral support for chimney flue systems, ensuring stability and safety.
National Flues is a leading supplier of fireplaces and flues across the UK, serving both retail and trade customers with competitive pricing and reliable delivery. Our products have gained a reputation for quality and dependability, ensuring customer satisfaction nationwide.
