IL - Gas Vent Terminal - Ø 150
At a Glance
- Robust aluminium inner liner for enduring high temperatures
- Corrosion-resistant zalutite outer casing with zinc and aluminium coating
- Twin wall insulated design with a 6mm air gap for enhanced performance
- Suitable for naturally aspirated domestic gas appliances with draught hoods or diverters
- Meets CE and BS EN 9001:2008 standards for quality and safety
- 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.
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: [email protected]
- Info
- Specs
- Install
- FAQs
The IL Gas Vent Terminal - Ø 150mm is a top-notch twin wall insulated pre-fabricated gas vent, reputed for its quality and reliability in the UK for more than two decades. Perfectly designed for naturally aspirated domestic gas-fired appliances equipped with a draught hood or diverter, this gas vent guarantees efficient operation under negative pressure and dry conditions, tolerating flue gas temperatures up to 250°C. Constructed with a resilient aluminium liner and a robust zalutite outer case, separated by a 6mm air gap, it’s available in three diameter sizes: 100mm, 125mm, and 150mm.
Though suitable for both internal and external use, it should not be used in condensing or positive pressure applications. The IL Gas Vent Terminal brings you the best of both worlds with its versatile application and unwavering durability.
SKU: 24-150-91
Technical Specifications | |
---|---|
SKU | 24-150-91 |
Design | Twin Wall Insulated |
Inner Material | Aluminium |
Outer Material | Zalutite (Steel with zinc and aluminium coating) |
Air Gap | 6mm |
Application | Domestic Gas Appliances with draught hood/diverter, operating under negative pressure & dry conditions |
Temperature Limit | Up to 250u00b0C |
Distance To Combustibles | 50mm (2 inches) |
Standards | EN 1856-1 T250 N1 D Vm L11030 0(50), CE, BS EN 9001:2008 |
Warranty | 5 year conditional warranty |
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.
National Flues Ltd Verdict
The IL Gas Vent Terminal - Ø 150mm is a trusted choice for over 25 years, offering unbeatable quality and reliability. With National Flues, you can expect dependable and fast nationwide delivery. Retail and trade customers are always welcome!
The IL Gas Vent Terminal - Ø 150mm is designed for use with naturally aspirated domestic gas-fired appliances, ensuring efficient and reliable venting under negative pressure and dry conditions.
National Flues is a leading supplier of high-quality fireplaces and flues across the UK. Known for competitive pricing, reliable delivery, and top-notch customer service, National Flues caters to both retail and trade customers nationwide.
