TWPro MB - Pipe 500mm Door (Non-condensing) - Ø 150
At a Glance
- Superior dual stainless steel construction (304 outer, 316 inner) for lasting durability
- Fully welded design with integrated Locking Band for secure assembly
- Insulated with high-density compressed rockwool for optimal thermal performance
- Designed for a range of solid fuel and gas appliances, including wood stoves, oil boilers and gas heaters
- HETAS approved and CE marked, compliant with EN1856-1 standards

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 - Pipe 500mm Door (Non-condensing) is an outstanding solution for comprehensive flue systems. Perfect for use with a range of solid fuel and gas/oil appliances such as wood stoves, gas coal-effect fires, and various boilers, it’s built to handle high temperatures and demanding conditions. Constructed with a robust outer skin of 304 stainless steel and a 316 grade stainless steel inner skin, both at 0.4mm thick, this pipe offers durability and heat resistance.
The high-temperature black finish not only enhances its sturdiness but also provides an aesthetically pleasing look. Insulated with compressed rockwool of 200kg/m3 density, it ensures optimal performance and safety. The pipe is fully welded for additional strength and reliability.
With a HETAS approval and CE marking, it adheres to strict industry standards (EN1856-1). Installation is made easy with a Locking Band, guaranteeing a secure fit seamlessly. Always maintain a 50mm distance from any combustible materials to ensure safety.
SKU: 37-150-023
Technical Specifications | |
---|---|
Model | TWPro MB - Pipe 500mm Door (Non-condensing) - u00d8 150 |
Outer Material | 304 Stainless Steel - 0.40mm thick with high-temperature black coating |
Inner Material | 316L Stainless Steel - 0.40mm thick |
Insulation | Compressed rockwool with a density of 200kg/mu00b3 |
Design | Fully welded with Locking Band for secure assembly |
Approvals | HETAS approved, CE marked (EN1856-1 compliant) |
Suitable Fuels | Wood, Oil, Gas, Low sulphur coal |
Installation Clearance | Maintain a 50mm distance from combustible materials |
Pipe Length | 500mm |
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.
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National Flues Ltd Verdict
The TWPro MB - Pipe 500mm Door (Non-condensing) is an exceptional product that meets the high standards of safety and efficiency required in the industry. We proudly offer nationwide delivery and cater to both retail and trade customers, ensuring this quality product gets to you reliably and at an unbeatable price.
The TWPro MB 500mm Pipe with Door is designed to provide a secure and efficient flue system for solid fuel and gas appliances, offering safe and straightforward maintenance access.
National Flues is a leading supplier of fireplaces and flues in the UK, providing high-quality products to retail and trade customers with reliable delivery and competitive pricing.
