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IL - Gas Vent Terminal - Ø 100 (24-100-91)

National Flues presents the IL Gas Vent Terminal - Ø 100mm, a premium twin wall gas vent terminal designed specifically for domestic gas appliances. This high-quality gas vent system offers durable performance and superior safety, making it a top choice for chimney flue installations and gas appliance venting across the UK.
The price you pay today £56.99
Give us a call if you find it cheaper and we'll normally price match.

 

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At a Glance

    Over 25 years trusted UK performance
    Durable aluminium liner with corrosion‐resistant zalutite casing
    Twin wall insulated design for efficient flue gas venting
    Designed for naturally aspirated domestic gas appliances with draught hoods or diverters
    Versatile application for internal and external installations
    Easy push fit and twist lock joint for quick installation
    Compliant with EN 1856-1, CE and BS EN 9001:2008 standards
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, July 1st. 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 and terms and conditions for warranties. Mi-Flex flue liner, for example, comes with a lifetime guarantee. Give us a call if you want to know about a specific warranty. 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, on a retail basis. Give us a call if you find it cheaper and want to buy from us.

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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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.
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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]

The IL Gas Vent Terminal - Ø 100mm is a twin wall insulated, pre-fabricated gas vent system that has been trusted in the UK for over 25 years. Renowned for its quality and reliability, this system is specifically designed for naturally aspirated domestic gas-fired appliances equipped with a draught hood or diverter. It is engineered to operate under negative pressure and dry conditions, ensuring safe and efficient venting of flue gases with temperatures not exceeding 250°C.

Constructed with an aluminium liner and a durable zalutite outer casing, separated by a 6mm air gap, the IL Gas Vent Terminal is suitable for both internal and external installations. Note that it is not applicable for condensing or positive pressure applications. Available in 100mm, 125mm, and 150mm diameters, this product ensures versatile compatibility with a variety of gas appliances.

SKU: 24-100-91

Technical Specifications
Diameter100mm
Inner MaterialAluminium
Outer MaterialZalutite (steel coated with zinc and aluminium)
Temperature RatingUp to 250u00b0C
SystemTwin wall insulated
InstallationInternal & External
Distance To Combustibles50mm (2 inches)
Joint MethodPush fit and twist lock
Warranty5 year conditional warranty
Ensure a minimum clearance of 50mm from any combustible material. Install only with naturally aspirated domestic gas appliances equipped with a draught hood or diverter. Follow the manufacturer’s instructions for the push fit and twist lock joint mechanism precisely. It is advisable to employ a professional installer to guarantee compliance with local safety regulations and optimal system performance.

The IL Gas Vent Terminal is designed for naturally aspirated domestic gas-fired appliances with a draught hood or diverter. It should not be used for condensing or positive pressure applications.

Yes, the IL Gas Vent Terminal is suitable for both internal and external installations.

The IL Gas Vent Terminal is available in three diameter sizes: 100mm, 125mm, and 150mm.

The IL Gas Vent Terminal can handle flue gas temperatures up to 250°C.

The IL Gas Vent Terminal features an aluminium liner and a zalutite outer case, separated by a 6mm air gap.

No, the IL Gas Vent Terminal is not suitable for positive pressure applications.

The IL Gas Vent Terminal has been used in the UK for over 25 years, earning a reputation for quality and reliability.

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