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IL - Tee Cap - Ø 125 (24-125-32)

National Flues presents the IL - Tee Cap - Ø 125, a high-quality twin wall insulated gas vent accessory designed for domestic gas appliances. Engineered with precision using an aluminium liner and a robust zalutite outer case, this component is indispensable in ensuring safe and efficient venting. Read more...
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At a Glance

  • Designed specifically for twin wall insulated gas vent systems
  • Constructed with an aluminium inner liner and durable zalutite outer case
  • Equipped with a 6mm air gap for optimum insulation
  • Engineered for naturally aspirated gas-fired appliances under negative pressure
  • Certified and tested to meet EN 1856-1 T250 N1 standards
  • Available in multiple sizes (100mm, 125mm, and 150mm) for versatile installation

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.
  • 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: sales@nationalflues.com

The IL - Tee Cap - Ø 125 is an essential component in our twin wall insulated pre-fabricated domestic gas vent systems. Designed with over 25 years of industry experience, this tee cap delivers unmatched quality and reliability. It's specifically created for naturally aspirated gas-fired appliances equipped with a draught hood or diverter.

Notably, it operates under negative pressure and dry conditions, making it ideal for a variety of domestic settings where flue gas temperatures do not exceed 250°C.This versatile product is available in three diameter sizes: 100mm, 125mm, and 150mm. It features a robust construction with an aluminium liner and a durable zalutite outer case, separated by a 6mm air gap for optimum insulation. The IL - Tee Cap - Ø 125 is suitable for both internal and external applications but is not compatible with condensing or positive pressure environments.

Whether for a new installation or a retrofit, this tee cap ensures efficient and safe operation, meeting high standards of performance.

SKU: 24-125-32

Delivery Information* +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Monday, November 17th. This is based on current lead times. Bear in mind that it is a busy time of year. If you need a product delivered by a specific time in the next 7 days, then please give us a call on 01670 206 999. Visit our Shipping Information page for more information.

About National Flues Ltd +

We began over 30 years ago as a fireplace shop in the North East. We now supply hundreds of trade professionals and thousands of retail customers, all across the UK, every month. We are still a family owned business, lead by the MD Neil, and always try our best to deliver the best possible experience. We also price match, so give us a call if you find this cheaper and want to buy from us. Visit our about us page to read a bit more.

Technical Specifications
SKU24-125-32
Product NameIL - Tee Cap - Ø 125
SystemIL
Inner MaterialAluminium
Outer MaterialZalutite (steel with zinc and aluminium coating)
Fuel CompatibilityGas
Operating TemperatureUp to 250°C
Joint MethodPush fit and twist lock
Distance To Combustibles50mm (2 Inches)
Warranty5 Year Conditional
ApprovalsCE, BS EN 9001:2008
Installation Instructions: - Ensure the gas vent system is fully depressurised before beginning installation. - Confirm that the 90-degree tee in your twin wall insulated vent system is compatible with the IL Tee Cap dimensions. - Clean and inspect the tee prior to installation to remove any debris that might affect the secure fit. - Align the cap properly and use a push fit followed by a twist lock motion to secure the connection. - Maintain a minimum clearance of 50mm to combustible materials as recommended by safety standards. Warning: This product is not intended for use with condensing or positive pressure appliances. Always consult with a qualified professional to verify that your installation complies with local building regulations.

The IL - Tee Cap - Ø 125 is used to cap the 90-degree tee in a twin wall insulated gas vent system, ensuring a secure closure for the venting system.

Yes, the IL - Tee Cap - Ø 125 is designed for both internal and external applications, providing versatility in your installation options.

No, this product is not suitable for condensing or positive pressure applications. It is designed for naturally aspirated gas-fired appliances under negative pressure.

The IL - Tee Cap - Ø 125 is designed to operate under conditions where flue gas temperatures do not exceed 250°C.

The IL - Tee Cap - Ø 125 is constructed with an aluminium liner and a zalutite outer case, separated by a 6mm air gap for optimal insulation.

Yes, the IL - Tee Cap is available in three diameter sizes: 100mm, 125mm, and 150mm, ensuring compatibility with various vent systems.

The IL gas vent system has been successfully used in the UK for over 25 years, building a strong reputation for quality and reliability.

 

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