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IL - Adjustable Length - 457mm (18in) - Ø 125

National Flues proudly presents the IL Adjustable Length Gas Vent, a premium, twin wall insulated venting solution designed for naturally aspirated domestic gas appliances. This robust and efficient system, featuring an aluminium liner and zalutite exterior, is the ideal choice for safe venting in b... More...
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At a Glance

  • Adjustable length design offering effective installation lengths between 75mm to 356mm
  • Robust twin wall insulated construction for enhanced safety
  • Durable aluminium liner with a corrosion-resistant zalutite outer casing
  • Certified to CE and BS EN 9001:2008 standards
  • Suitable for both internal and external applications under dry conditions
  • Designed for naturally aspirated domestic gas-fired appliances
Now only £53.49
Including VAT Buy with confidence. If you find this cheaper within 48 hours of checkout, we'll refund the difference.

 

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Have Questions?
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The IL Adjustable Length 457mm (18in) Ø 125 Gas Vent is a twin wall insulated gas vent system, meticulously designed for naturally aspirated domestic gas-fired appliances. It’s engineered to perform optimally under negative pressure and dry conditions, supporting flue gas temperatures not exceeding 250°C. This configuration includes an aluminium liner paired with a zalutite outer casing, separated by a 6mm air gap for superior insulation.

Its versatility makes it suitable for both internal and external applications, though it’s not designed for condensing and positive pressure environments. Available in three sizes – 100mm, 125mm, and 150mm diameters – this product adapts to various installation needs. Renowned for its durability and efficiency, the IL Gas Vent System is your go-to solution for secure and reliable flue performance.

SKU: 24-125-16

Technical Specifications
SKU24-125-16
Product NameIL - Adjustable Length - 457mm (18in) - u00d8 125
Design StandardEN 1856-1 T250 N1 D Vm L11030 0(50)
SystemIL
Adjustable Length457mm (18in)
Available Diameters100mm, 125mm, 150mm
Inner MaterialAluminium
Outer MaterialZalutite (zinc-aluminium coated steel)
Fuel CompatibilityGas
ApprovalsCE, BS EN 9001:2008
Temperature LimitUp to 250u00b0C
Distance To Combustibles50mm (2 inches)
Warranty5 year conditional warranty
Joint MethodPush fit and twist lock
Installation of the IL Adjustable Length Gas Vent is straightforward but requires adherence to important safety guidelines. Ensure that the vent maintains a minimum clearance of 50mm from any combustible materials. The telescopic design enables easy adaptation to various installation lengths; simply extend the pipe to the desired length and secure using the built-in twist lock mechanism. Verify that all joints are firmly connected to avoid any gas leak or flue gas escape. It is crucial to follow the manufacturer's instructions and any local building regulations. If installing externally, check that the installation site is sheltered from extreme weather for optimal performance.

This gas vent is designed for naturally aspirated domestic gas-fired appliances with a draught hood or diverter.

Yes, this vent system is suitable for both internal and external applications.

No, it is not suitable for condensing and positive pressure applications.

The gas vent can handle flue gas temperatures up to 250°C.

The product is available in three diameter sizes: 100mm, 125mm, and 150mm.

The vent features an aluminium liner and a zalutite outer casing, separated by a 6mm air gap.

Yes, its telescopic design allows for adjustable length, making it easy to install and fit perfectly into your setup.
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.

Read our buyers guide for this IL - Adjustable Length - 457mm (18in) - Ø 125

National Flues Ltd Verdict

The IL Adjustable Length 457mm (18in) Ø 125 Gas Vent is a prime choice for both trade and retail customers. Its reliability and quality have stood the test of time, making it a trusted solution for over 25 years. With National Flues, enjoy unbeatable prices and dependable nationwide delivery.

The IL Adjustable Length Gas Vent is designed to provide a reliable and efficient venting solution for naturally aspirated domestic gas-fired appliances.

National Flues is a leading supplier of fireplaces and flue systems across the UK, known for competitive pricing, reliable delivery, and exceptional service to both retail and trade customers.

 

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Secure your IL Adjustable Length Gas Vent now for unmatched reliability and performance.

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