TWPro MB - Gas Cowl - Ø 100
At a Glance
- Premium 304 stainless steel outer with high-temperature black coating
- Superior 316L stainless steel inner skin for enhanced durability
- Rockwool insulation at 200kg/m³ for optimal thermal performance
- HETAS approved and CE marked for safety and compliance
- Designed exclusively for gas and oil appliances
- Secure installation with a robust Locking Band and minimum 50mm clearance requirement

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 100, a top-notch chimney flue accessory tailored for gas and oil appliances. Engineered with a robust 304 stainless steel outer skin complemented by a high-temperature black finish, this cowl ensures long-lasting durability. Additionally, the inner skin is constructed from superior 316 grade stainless steel, both layers having a 0.4mm thickness.
Featuring rockwool insulation with a density of 200kg/m³, all components are meticulously fully welded for optimal safety and performance. This product is HETAS approved and CE marked under designations EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 P1 W V2 L50040 O20. Secure installation is made easy with the provided Locking Band, and it's crucial to maintain a distance of 50mm from any combustible materials.
Note: This product is designed exclusively for gas appliances and is not suitable for solid fuel applications.
SKU: 37-100-092
Technical Specifications | |
---|---|
Diameter | 100mm |
Outer Material | 304 Stainless Steel with high-temperature black coating |
Inner Material | 316L Stainless Steel |
Insulation | 200kg/mu00b3 Rockwool |
Approvals | HETAS, CE (EN1856-1 T600 N1 W V2 L50040 G50; EN1856-1 T200 P1 W V2 L50040 O20) |
Application | Gas and Oil Appliances Only |
Recommended Clearance | 50mm from combustibles |
Construction | Fully welded with Locking Band |
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.
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National Flues Ltd Verdict
The TWPro MB - Gas Cowl - Ø 100 is a premium solution for your gas and oil appliances, providing exceptional durability and performance. With National Flues, you benefit from nationwide reliable delivery and competitive pricing for both retail and trade customers.
The TWPro MB - Gas Cowl - Ø 100 is designed to enhance the efficiency and safety of gas and oil appliances by providing a robust terminal for flue systems.
TWPro is a trusted brand in the fireplace and flues industry, known for its high-quality, reliable products that meet stringent safety standards.
