TWPro MB - Gas Cowl - Ø 80
At a Glance
- - Constructed with dual stainless steel layers (304 outer with high-temperature black coating, 316L inner)
- - HETAS approved and CE marked for superior safety and performance
- - Engineered for gas and oil appliances with optimal insulation properties
- - Compressed rockwool insulation (200kg/m³) for excellent heat retention and efficiency
- - Fully welded construction with supplied Locking Band for secure installation

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
Discover the TWPro MB Gas Cowl Ø 80—a top-tier choice for your gas and oil appliances. Expertly designed for use with woodstoves, gas coal effect fires, oil boilers, and gas boilers, this cowl ensures optimal functionality and safety. Constructed with an outer layer of 304 stainless steel coated in a high-temperature black finish, and an inner layer of 316 grade stainless steel, both at 0.4mm thick, it promises durability.
The compressed rockwool insulation has a remarkable density of 200kg/m3, guaranteeing excellent heat retention. Fully welded for a cohesive finish and maintaining a safe 50mm distance from combustibles, this product is both HETAS approved and CE marked, meeting the highest European standards (EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 P1 W V2 L50040 O20). Easy to install with a supplied Locking Band, the TWPro MB Gas Cowl provides peace of mind alongside performance.
SKU: 37-80-092
Technical Specifications | |
---|---|
Outer Material | 304 Stainless Steel (0.40mm thick, high-temperature black coated) |
Inner Material | 316L Stainless Steel (0.40mm thick) |
Insulation | Compressed Rockwool, Density 200kg/mu00b3 |
Approvals | HETAS Approved, CE Marked |
Standards | EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 P1 W V2 L50040 O20 |
Minimum Distance To Combustibles | 50mm |
Included Accessories | Locking Band for secure installation |
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, April 8th. 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 Gas Cowl is an exceptional choice for your gas appliances. Boasting robust construction and high efficiency, this cowl meets the highest industry standards. With our reliable nationwide delivery and unparalleled trade accounts, National Flues ensures you get the best deal and supreme service.
The TWPro MB Gas Cowl Ø 80 is designed for use with gas and oil appliances, ensuring safe and efficient flue functionality.
National Flues is a leading supplier of high-quality fireplaces and flues across the UK, offering exceptional products to both retail and trade customers, often unbeatable on price with reliable delivery and secure online payments.
