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IL - Gas Vent Terminal - Ø 125 (24-125-91)

National Flues introduces the IL Gas Vent Terminal – Ø 125mm, a top-tier gas venting solution designed for domestic gas appliances. This premium product offers reliable venting for natural draft systems and is engineered for both performance and durability, making it the go-to choice for homeowners and installation professionals looking for high-quality gas appliance venting solutions.

What it’s for

The IL Gas Vent Terminal Ø 125mm is designed to facilitate effective venting for domestic gas-fired appliances operating under negative pressure and in dry conditions.

Full features & benefits

  • Durable Construction: The aluminium liner combined with the corrosion-resistant zalutite outer case ensures long-lasting performance and minimal maintenance.
  • Excellent Thermal Efficiency: The twin wall design with a 6mm air gap effectively insulates and maintains stable temperatures during operation.
  • High Temperature Endurance: Capable of handling flue gas temperatures up to 250°C, guaranteeing safe and reliable performance.
  • Flexible Installation: Engineered for both internal and external setups, making it ideal for a variety of domestic applications.
  • Simplified Assembly: The push-fit and twist-lock joint method facilitates a secure and easy installation, reducing potential errors.
Now only £49.99
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 of proven reliability
  • Twin wall insulation with aluminium liner and zalutite outer case
  • Operates efficiently in negative pressure and dry conditions
  • Suitable for both internal and external installations
  • Withstands flue gas temperatures up to 250°C
  • Versatile diameter options: 100mm, 125mm, and 150mm

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

We Won't Be Beaten On Price

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

Introducing the IL Gas Vent Terminal Ø 125mm, a high-performing twin wall insulated gas vent system that's been trusted in the UK for over 25 years. Perfect for naturally aspirated domestic gas-fired appliances featuring a draught hood or diverter, this vent is engineered to operate under negative pressure in dry conditions with flue gas temperatures up to 250°C. Available in multiple sizes (100mm, 125mm, and 150mm), the IL Gas Vent Terminal combines an aluminium liner and a zalutite outer case, separated by a 6mm air gap, ensuring robust performance and durability.

Ideal for both internal and external installations, this product excels in non-condensing, negative pressure applications.

SKU: 24-125-91

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
SKU24-125-91
ItemGas Vent Terminal - Ø 125mm
StandardsEN 1856-1 T250 N1 D Vm L11030 0(50), CE, BS EN 9001:2008
MaterialsAluminium liner, Zalutite outer case
Fuel TypeGas
Temperature Limit250°C
Air Gap6mm
Distance To Combustibles50mm (2 Inches)
Warranty5 year conditional warranty
Joint MethodPush-fit and twist lock
Diameter Options100mm, 125mm, 150mm
• Ensure the terminal is installed in a dry area with a minimum 50mm clearance from any combustible material. • Follow the push-fit and twist-lock joint method for a secure, leak-free connection. • Confirm compatibility with your domestic gas appliance, especially if it features a draught hood or diverter. • Abide by all local building regulations and manufacturer's installation instructions. • Professional installation is recommended for optimal results and safety.

This gas vent terminal is used for naturally aspirated domestic gas-fired appliances with draught hoods or diverters, ideal for systems operating under negative pressure and dry conditions.

Yes, the IL Gas Vent Terminal Ø 125mm is suitable for both internal and external applications, ensuring versatile installation options.

The IL Gas Vent Terminal is designed to handle flue gas temperatures up to 250°C, making it suitable for various domestic applications.

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

The vent system features an aluminium liner and a zalutite outer case, separated by a 6mm air gap for enhanced insulation.

The IL Gas Vent Terminal is available in three diameters: 100mm, 125mm, and 150mm, offering flexibility for various installation needs.

This vent system has been trusted in the UK market for over 25 years, known for its quality and reliability.

 

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