TWPro MB - Pipe 800mm - Ø 125
At a Glance
- - Robust dual-layer stainless steel construction (304 outer high-temperature black coated, 316 inner)
- - Compressed rockwool insulation ensuring optimal thermal performance and a safe 50mm clearance
- - HETAS approved and CE marked, compliant with EN1856-1 standards
- - Versatile design suitable for wood, oil, gas, and low sulphur coal appliances
- - Easy and secure installation with a locking band system

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 800mm - Ø 125 is a versatile and high-performance chimney flue pipe designed for a range of solid fuel, gas, and oil appliances including wood stoves, gas coal effect fires, and boilers. Constructed with an outer skin made from 304-grade stainless steel coated in a high-temperature black finish, and an inner lining of 316-grade stainless steel, this pipe guarantees durability and efficiency. The TWPro flue features compressed rockwool insulation with a density of 200kg/m³, ensuring optimal thermal resistance while maintaining a safe 50mm distance from combustible materials.
Fully welded for enhanced reliability, this pipe is HETAS approved and CE marked, meeting stringent EN1856-1 standards. The installation is straightforward, secured with a provided locking band to ensure a secure fit.
SKU: 37-125-024
Technical Specifications | |
---|---|
Length | 800mm (Effective Length 765mm) |
Diameter | 125mm |
Inner Material | 316L Stainless Steel, 0.40mm thick |
Outer Material | 304 Stainless Steel, 0.40mm thick, High Temperature Black Coated |
Insulation | Compressed Rockwool, 200kg/mu00b3 |
Applicable Fuels | Wood, Oil, Gas, Low Sulphur Coal |
Approvals | HETAS / CE (EN1856-1 compliant) |
Combustible Distance | 50mm |
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 - Pipe 800mm - Ø 125 is an exceptional chimney flue pipe, known for its robust construction and high efficiency. Whether you're a retail customer or in the trade, National Flues ensures reliable nationwide delivery and competitive prices.
This flue pipe is designed for venting smoke and gases from solid fuel, gas, and oil appliances safely and efficiently.
TWPro is a highly respected brand known for producing high-quality, reliable chimney and flue systems. Their products, which include twin wall insulated chimneys, are designed to ensure the safety and efficiency of heating appliances in both residential and commercial settings.
