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IL - Wall Band (Internal) - Ø 125 (24-125-51)

National Flues presents the IL - Internal Wall Band Ø125, a reliable chimney flue support accessory designed for naturally aspirated domestic gas appliances. This high-quality, durable, and easy-to-install wall band is essential for maintaining the stability and safety of your flue system in both residential and commercial settings across the UK.
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The price you pay today £25.99
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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
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, June 3rd. This is based on current delivery times for this product. Delivery for products not in our warehouses can be delayed because of third party carriers. If you need a stove, or other bulky product, to be delivered by a specific time in the next 7 days then please give us a call. We can sometimes 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 and you can read in our blog about they types of terms and conditions for warranties. Mi-Flex flue liner, for example, comes with a lifetime guarantee. Returns for damaged items are covered by insurance; non-damaged returns incur return delivery costs.

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Please Note: All dimensions refer to the internal diameter of flues. If unsure, please call 01670 206999 to ensure you choose the correct products.

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Have Questions?
Phone: 01670 206999
Email: [email protected]

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
SKU24-125-51
Diameteru00d8125mm
Inner MaterialAluminium
Outer MaterialZalutite coated steel
Max Flue Gas Temperature250u00b0C
Installation Interval3 metres maximum
Warranty5 year conditional warranty
ApprovalsCE, BS EN 9001:2008
Install the IL - Internal Wall Band Ø125 at intervals not exceeding 3 metres. Use the push-fit and twist lock joint method to secure it properly. For external installations, ensure that the galvanised component is adequately weather protected. This wall band is specifically designed for naturally aspirated domestic gas appliances operating under negative pressure and is not suitable for condensing or positive pressure applications. Follow the manufacturer's guidelines and consider professional advice if uncertain about any part of the installation process.

The wall band should be installed at intervals not exceeding 3 metres to ensure proper lateral support.

Yes, it is suitable for both internal and external applications. However, if used externally, the galvanised component must be adequately weather-protected.

No, this product is not suitable for condensing and positive pressure applications. It is designed for naturally aspirated domestic gas appliances.

The product can handle flue gas temperatures up to 250°C, making it ideal for naturally aspirated domestic gas-fired appliances.

The product features an aluminium liner and a Zalutite outer case, separated by a 6mm air gap for optimal insulation and safety.

The IL gas vent system is available in three diameter sizes: 100mm, 125mm, and 150mm.

The IL - Internal Wall Band Ø 125 offers a proven track record of over 25 years, ensuring quality and reliability. It's especially designed for naturally aspirated domestic gas-fired appliances, making it a trusted choice for both retail and trade customers.

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