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TWPro MB - Pipe 500mm - Ø 150 (37-150-011)

Discover the exceptional performance of the National Flues TWPro MB - Pipe 500mm - Ø 150, a premium insulated chimney pipe designed for solid fuel, gas, and oil appliances. Trusted by both retail and trade customers across the UK, this robust pipe features a high-temperature black-coated 304 stainless steel outer skin and a durable 316L stainless steel inner layer. With its advanced construction and superior insulation, it not only optimises heating efficiency but also meets critical safety stan Read more...
The price you pay today £95.99
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At a Glance

    Robust 316L/304 Stainless Steel Construction
    High-Temperature Black Coated Outer Skin
    Fully Welded for Enhanced Durability
    Compressed Rockwool Insulation at 200kg/m³
    Approved to HETAS & CE Standards
    50mm Safety Clearance to Combustibles
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.

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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.

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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.

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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:

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Price Match Guarantee: If you find the same product cheaper within 48 hours, we’ll match it and refund the difference.

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“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 - Pipe 500mm - Ø 150 is an essential component for solid fuel and gas/oil appliances, including woodstoves, gas coal effect fires, and oil boilers. Constructed with a high-temperature black-coated 304-grade stainless steel outer skin and a durable 316-grade stainless steel inner skin, this pipe ensures longevity and performance. With fully welded parts and compressed rockwool insulation at 200kg/m3 density, it guarantees optimal safety and efficiency.

The pipe should be installed maintaining a 50mm distance from any combustible materials. HETAS approved and CE marked, it complies with the standards of EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 P1 W V2 L50040 O20. Secure your installation with the supplied Locking Band for peace of mind.

SKU: 37-150-011

Technical Specifications
Item Code37-150-011
Installed Length465mm
Nominal Pipe SizeØ 150
Inner Material316L Stainless Steel (0.40mm thick)
Outer Material304 Stainless Steel with High Temperature Black Coating (0.40mm thick)
InsulationCompressed Rockwool at 200kg/m³
Fuel CompatibilityWood, Oil, Gas, Low Sulpher Coal
Clearance To Combustibles50mm
CertificationsHETAS Approved, CE Marked
StandardsEN1856-1 T600 N1 W V2 L50040 G50, EN1856-1 T200 P1 W V2 L50040 O20
Installation SecuritySupplied Locking Band
For optimal performance and safety, ensure that the TWPro MB Pipe is installed following manufacturer guidelines. Key installation tips include: - Always maintain a minimum clearance of 50mm from any combustible materials such as wood or plasterboard during installation. - Use the supplied Locking Band to secure the chimney components reliably, ensuring a tight and stable connection between sections. - Verify that each joint is fully welded to eliminate any potential weak points in the system. - Check local building regulations and standards to ensure compliance with safety requirements. - If in doubt, consult a professional installer or contact our technical support for assistance. Following these instructions will help you achieve a safe, durable, and efficient installation.

The TWPro MB 500mm Pipe is suitable for solid fuel and gas/oil appliances such as woodstoves, gas coal effect fires, oil boilers, and gas boilers.

The outer skin is made of 304-grade stainless steel with a high-temperature black finish, while the inner skin is constructed from 316-grade stainless steel. It also features a compressed rockwool insulation for enhanced safety.

A distance of 50mm from any combustible materials like wood or plasterboard should be maintained to ensure safety.

Yes, the pipe is HETAS Approved and CE marked, complying with standards EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 P1 W V2 L50040 O20.

The TWPro Twin Wall Insulated Chimney parts are secured together using a supplied Locking Band. Ensure that the distance from combustible materials is maintained during installation.

The effective installed length of the TWPro MB - Pipe 500mm - Ø 150 is 465mm.

The TWPro series includes various lengths and finishes to meet different installation needs. Please check our website or contact us for more options.

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