Pipe 800mm Ø 150
At a Glance
- Constructed with robust 304 and 316L stainless steel for superior durability
- Twin wall insulated design with high-density rockwool (200kg/m3) for excellent thermal efficiency
- Fully welded joints and secure Locking Band installation ensure long-lasting safety
- Complies with EN1856-1 standards, HETAS approved and CE marked
- Suitable for wood, gas, and oil appliances with a safe 50mm clearance to combustibles

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 800mm Ø 150 Twin Wall Insulated Chimney Flue Pipe is designed for use with solid fuel, gas, and oil appliances, including woodstoves, gas coal effect fires, and boilers. Constructed with a 0.4mm thick outer skin of 304 grade stainless steel and a 0.4mm thick inner skin of 316 grade stainless steel, this pipe offers robust durability and longevity. The compressed rockwool insulation boasts a density of 200kg/m3, ensuring excellent thermal efficiency.
Fully welded parts provide additional strength and reliability.This flue pipe maintains a safe distance of 50mm from combustible materials, making it a secure option for various installations. Approved by HETAS and CE marked, the flue pipe adheres to high safety and quality standards. Its installation is straightforward, requiring only the use of a Locking Band to secure the components together.This product conforms to Designation Numbers EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 W V2 L50040 O20.
SKU: 2-150-024
Technical Specifications | |
---|---|
Pipe Length | 800mm |
Pipe Diameter | 150mm |
Effective Installed Length | 765mm |
Inner Material | 316L Stainless Steel - 0.40mm thick |
Outer Material | 304 Stainless Steel - 0.40mm thick |
Insulation | Compressed Rockwool, 200kg/m3 density |
Approvals | HETAS, CE Marked |
Designation | EN1856-1 T600 N1 W V2 L50040 G50 / EN1856-1 T200 W V2 L50040 O20 |
Clearance To Combustibles | 50mm |
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, April 8th. 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.
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National Flues Ltd Verdict
The 800mm Ø 150 Twin Wall Insulated Chimney Flue Pipe is a superb choice for both retail and trade customers. With secure online payments and reliable nationwide delivery, National Flues ensures you get the best value and service.
The 800mm Ø 150 Twin Wall Insulated Chimney Flue Pipe is designed to safely and efficiently channel exhaust gases from heating appliances, such as woodstoves and boilers, out of the building.
National Flues is a leading supplier of high-quality fireplaces and flues across the UK, known for competitive pricing, reliable delivery, and exceptional service to both retail and trade customers.
