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IL - 90° Tee - Ø 100 (24-100-31)

The IL 90° Tee - Ø 100 by IL is a top-tier twin wall insulated gas vent solution designed specifically for naturally aspirated domestic gas appliances. Featuring a robust aluminium liner and a corrosion-resistant zalutite casing, this product stands out as a reliable and efficient component for both internal and external applications, meeting strict UK standards for safety and performance.
The price you pay today £110.99
including free delivery 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 of proven reliability in the UK market
    Twin wall insulated design ensures optimal heat management
    Durable aluminium liner withstands flue gas up to 250°C
    Corrosion-resistant zalutite outer case protects against the elements
    Versatile compatibility with naturally aspirated domestic gas-fired appliances
    Suitable for both internal and external applications
    Requires a tee cap accessory for a complete installation
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.

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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).

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

The IL - 90° Tee - Ø 100 is a twin wall insulated pre-fabricated gas vent explicitly designed for naturally aspirated domestic gas-fired appliances. With 25 years of esteemed presence in the UK market, this gas vent has become synonymous with quality and reliability. It supports appliances equipped with a draught hood or diverter and functions under negative pressure and dry conditions.

Withstanding flue gas temperatures up to 250°C, the IL gas vent is available in 100mm, 125mm, and 150mm diameters. Its robust design includes an aluminium liner and a zalutite outer case, separated by a 6mm air gap, making it suitable for both internal and external applications. Please note, it is not suitable for condensing or positive pressure applications.

The 90-degree tee requires an accompanying tee cap for optimal performance.

SKU: 24-100-31

Technical Specifications
SKU24-100-31
SystemIL
Inner MaterialAluminium
Outer MaterialZalutite (coated steel)
Flue Gas TemperatureUp to 250u00b0C
Diameter Options100mm, 125mm, 150mm
Distance To Combustibles50mm (2 Inches)
Warranty5 year conditional warranty
Joint MethodPush fit and twist lock
Installation of the IL 90° Tee requires careful adherence to the provided guidelines. Ensure that you secure the accompanying tee cap accessory to complete the installation. This component is designed for naturally aspirated, dry conditions and must be installed with a minimum clearance of 50mm to combustibles. Note that it is not suitable for condensing or positive pressure applications. Always follow the manufacturer’s instructions and consult local building regulations to ensure a safe and compliant setup.

The IL - 90° Tee - Ø 100 is designed for naturally aspirated domestic gas-fired appliances with a draught hood or diverter.

The IL - 90° Tee - Ø 100 can handle flue gas temperatures up to 250°C.

Yes, the IL - 90° Tee - Ø 100 is suitable for both internal and external applications.

No, the IL - 90° Tee - Ø 100 is not suitable for condensing or positive pressure applications.

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

The IL - 90° Tee - Ø 100 consists of an aluminium liner and a zalutite outer case, separated by a 6mm air gap.

Yes, you will need a tee cap to complete the installation of the IL - 90° Tee - Ø 100.

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