👀 2 people are viewing this product
× National Flues
Free Delivery on Orders £100+
100% 5* reviewed on Trustpilot
Free stove flue design service
Delivery to mainland UK
Call for help on 01670 206999

TWPro MB - Pipe 500mm - Ø 80 (37-80-011)

National Flues presents the TWPro MB 500mm Pipe Ø80 – a premium black twin wall flue pipe engineered for unmatched performance in solid fuel, gas, and oil applications. Elevate your chimney installation with our advanced flue system, designed for reliability, durability, and efficiency. With this high-quality chimney flue component, you ensure optimal heat retention and outstanding longevity, making it the perfect choice for modern, efficient heating solutions.
The price you pay today £77.99
Give us a call if you find it cheaper and we'll normally price match.

 

Payment Options

At a Glance

    Premium dual-layer construction: 316L inner and 304 outer stainless steel
    500mm length with an effective installed length of 465mm
    Compressed rockwool insulation (200kg/m³) for optimal thermal efficiency
    HETAS approved and CE marked for guaranteed safety
    High temperature black coating for enhanced durability
    Suitable for solid fuel, gas, and oil appliances
    Supplied locking band ensures secure, hassle-free assembly
    50mm clearance from combustibles for added safety
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.

Price Match Guarantee +

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.

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]

The TWPro MB 500mm Pipe Ø 80 is a highly efficient, durable solution designed for use with solid fuel, gas, and oil appliances. Whether you’re operating a woodstove, gas coal effect fire, oil boiler, or gas boiler, this pipe ensures exceptional performance. Constructed with a robust 304 stainless steel outer skin and a 316 grade stainless steel inner skin, each 0.4mm thick, it promises longevity and reliability.

The pipe's insulation is compressed rockwool, boasting a density of 200kg/m³ for superior thermal efficiency. Fully welded parts and a high-temperature black coating add to its durability and aesthetic appeal. It maintains a safe distance of 50mm from combustible materials, making it a secure choice for any installation.

The TWPro series is HETAS approved and CE marked, ensuring compliance with stringent standards. For hassle-free installation, the pipe sections are securely fastened using the supplied locking band. It’s designed to fit seamlessly into your setup while offering an effective installed length of 465mm.

SKU: 37-80-011

Technical Specifications
Pipe Diameter80mm
Pipe Length500mm
Effective Length465mm
Inner Material316L Stainless Steel (0.40mm thick)
Outer Material304 Stainless Steel with high temperature black coating (0.40mm thick)
InsulationCompressed Rockwool, 200kg/mu00b3
ApprovalHETAS, CE Marked
Operating TemperatureUp to 600u00b0C
Clearance50mm from combustibles
Lock FasteningSupplied locking band
Standard DesignationEN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 P1 W V2 L50040 O20
Ensure a minimum clearance of 50mm from any combustible material before beginning installation. Secure each pipe section using the supplied locking band according to the manufacturer’s instructions. Prior to installation, inspect all components for damage and confirm that the installation site is free from obstructions. For optimal performance and safety, pre-plan the installation route, double-check alignment, and adhere strictly to the provided guidelines. If you are unfamiliar with chimney system installations, professional installation is highly recommended. Always refer to the detailed installation manual for specific technical and safety requirements.

The pipe is compatible with solid fuel, gas, and oil appliances, including woodstoves, gas coal effect fires, oil boilers, gas boilers, and other solid fuel appliances.

The pipe features an outer skin made of 304 stainless steel and an inner skin made of 316 grade stainless steel, each with a thickness of 0.4mm.

The pipe uses compressed rockwool insulation, providing a density of 200kg/m³ for excellent thermal efficiency.

Yes, the TWPro MB 500mm Pipe is HETAS approved and CE marked, meeting high safety and quality standards.

The pipe sections are secured together using a supplied locking band. Ensure a 50mm distance from any combustible materials during installation.

The pipe is designed to withstand temperatures up to 600°C, making it suitable for high-temperature applications.

The pipe meets the standards EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 P1 W V2 L50040 O20, ensuring reliable performance and safety.

Your recently viewed products:

Multiple Payment Options- including Klarna, Clearpay, Mastercard, Visa and Paypal