TWPro MB - Pipe 250mm - Ø 125
At a Glance
- Robust 304/316 Stainless Steel construction (0.40mm each layer)
- High temperature black coated exterior finish
- Excellent thermal insulation with compressed rockwool (200kg/m3)
- HETAS Approved and CE marked for reliable safety compliance
- Versatile use with woodstoves, gas, oil and low sulphur coal appliances
- Secure assembly using a supplied locking band for a tight, dependable fit

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 - 250mm Pipe Ø 125mm is designed for high-performance across solid fuel, gas, and oil appliances, including woodstoves, gas coal effect fires, and boilers. With a robust construction featuring an outer skin of 0.4mm thick 304 stainless steel and an inner skin of 0.4mm thick 316 grade stainless steel, it promises durability and efficiency. The pipe is insulated with compressed rockwool at a density of 200kg/m3, ensuring excellent thermal protection.
All components are fully welded for additional strength. The high temperature black finish offers a sleek, modern look that complements any installation. Compliance and safety are paramount, which is why this product is HETAS Approved and CE marked.
Maintain a safe 50mm distance from any combustible materials during installation. This pipe connects seamlessly using a supplied locking band for a secure fit.
SKU: 37-125-012
Technical Specifications | |
---|---|
Dimensions | 250mm length, u00d8 125mm |
Materials | Outer: 304 Stainless Steel (0.40mm); Inner: 316 Stainless Steel (0.40mm) |
Insulation | Compressed Rockwool, 200kg/m3 |
Finish | High Temperature Black Coated |
Approvals | HETAS Approved, CE marked |
Clearance | Maintain 50mm distance from combustible materials |
Connection | Supplied locking band for secure installation |
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 250mm Pipe Ø 125mm is a standout product in our range, perfect for a variety of heating appliances. With HETAS approval, a high-quality stainless steel build, and a sleek black finish, this flue pipe is both durable and stylish. Our national delivery service ensures you get this top-tier product quickly and reliably, whether you're a retailer or a trade professional.
The TWPro MB - 250mm Pipe Ø 125mm is designed to safely and efficiently conduct exhaust gases from solid fuel, gas, and oil appliances to the exterior of a building. It’s suitable for use with woodstoves, gas fires, and boilers.
TWPro is a renowned brand in the flues industry, known for its high-quality, durable, and efficient products. They offer a range of flue pipes and accessories that meet rigorous safety standards, ensuring reliable performance in various heating applications.
