TWPro MB - Pipe 500mm - Ø 100
At a Glance
- - High Performance & Durability
- - 304 Stainless Steel Outer Skin with high-temperature black coating
- - 316 Stainless Steel Inner Skin for superior longevity
- - Compressed Rockwool Insulation (200kg/m3) for optimal thermal efficiency
- - Fully welded components for enhanced safety
- - HETAS approved and CE marked for compliance with industry standards
- - Suitable for wood, oil, gas, and low sulphur coal appliances
- - Easy installation with supplied Locking Band

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 TWPro MB 500mm Pipe (Ø 100) is a top-notch flue system component engineered for excellence in solid fuel and gas/oil appliance setups including woodstoves, gas coal effect fires, oil boilers, and gas boilers. The outer skin is crafted from 304-grade stainless steel with a 0.4mm thickness and finished in a high-temperature black coating for enhanced durability. The inner skin is made from 316-grade stainless steel, also with a 0.4mm thickness, ensuring long-lasting performance.
The pipe features compressed rockwool insulation offering a density of 200kg/m3 and full welded parts to ensure maximum safety. Designed to keep a minimum distance of 50mm from any combustible materials, the TWPro pipe is HETAS approved and CE marked under EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 P1 W V2 L50040 O20. Installation is straightforward with the use of a supplied Locking Band, making the TWPro 500mm Pipe the perfect addition to any heating setup.
SKU: 37-100-011
Technical Specifications | |
---|---|
Length | 500mm (effective length 465mm) |
Diameter | u00d8 100mm |
Outer Material | 304-grade Stainless Steel with high-temperature black coating (0.40mm thick) |
Inner Material | 316-grade Stainless Steel (0.40mm thick) |
Insulation | Compressed Rockwool 200kg/m3 |
Certifications | HETAS approved, CE marked |
Approval Designations | EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 P1 W V2 L50040 O20 |
Installation | Includes Locking Band, requires 50mm clearance from combustibles |
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Thursday, April 3rd. 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.
Compatible and other products that may be of interest...
National Flues Ltd Verdict
The TWPro MB 500mm Pipe is an outstanding choice for those in need of a reliable and durable chimney flue. Recognised for its robust construction and high-temperature resistance, it is HETAS approved and CE marked. As always, National Flues offers unbeatable prices, secure online payments for retail customers, and efficient delivery to trade and retail clients across the UK.
The TWPro MB 500mm Pipe is designed for secure and efficient venting of smoke and gases from solid fuel, gas, and oil appliances, ensuring safety and compliance in various heating installations.
TWPro is renowned for producing high-quality chimney flue systems that combine durability, safety, and ease of installation. Their products are trusted by both professionals and homeowners for reliable performance.
