TWPro MB - Gas Cowl - Ø 175
At a Glance
- Robust dual-layer construction using 304 stainless steel (outer) and 316 stainless steel (inner) for superior durability
- High temperature black coating on the outer layer ensures outstanding weather resistance
- 0.40mm thick materials provide a balance of performance and lightweight handling
- Integrated high-density compressed rockwool insulation (200kg/m³) for excellent thermal efficiency
- HETAS approved and CE marked, meeting stringent safety standards
- Maintains a safe 50mm clearance from combustible materials for enhanced installation safety
- Specifically engineered for gas and oil appliances

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 Gas Cowl Ø 175 is a robust and highly efficient component designed to enhance the performance of gas and oil appliances, such as wood stoves, gas coal effect fires, oil boilers, and gas boilers. Made with an outer layer of 304 stainless steel that's 0.4mm thick and coated in a durable high-temperature black finish, this gas cowl ensures longevity and outstanding weather resistance. The inner layer is constructed from 316-grade stainless steel, also 0.4mm thick, offering exceptional corrosion resistance.
Its construction features compressed rockwool insulation with a density of 200kg/m³, providing excellent thermal insulation properties. Fully welded parts ensure a solid, durable structure. The design maintains a safety distance of 50mm to any combustible materials, making it a secure choice for various installations.
Approved by HETAS and CE marked, this product complies with the highest industry standards, holding the designation numbers EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 P1 W V2 L50040 O20. Installation is straightforward, with components secured using a supplied locking band.
SKU: 37-175-092
Technical Specifications | |
---|---|
Model | TWPro MB - Gas Cowl - u00d8 175 |
SKU | 37-175-092 |
Outer Material | 304 Stainless Steel, 0.40mm thick with high-temperature black coating |
Inner Material | 316L Stainless Steel, 0.40mm thick |
Insulation | Compressed Rockwool, density 200kg/mu00b3 |
Safety Clearance | 50mm from combustibles |
Certifications | HETAS / CE, EN1856-1 T600 N1 W V2 L50040 G50, EN1856-1 T200 P1 W V2 L50040 O20 |
Fuel Compatibility | Gas, Oil, and coal effect gas appliances |
Installation | Includes a secure locking band for easy assembly |
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 Ø 175 is one of the finest options for ensuring the efficient operation of your gas and oil appliances. With our unbeatable prices, reliable delivery to retail and trade customers nationwide, and secure online payments, National Flues is your go-to supplier.
The TWPro MB Gas Cowl Ø 175 is designed to ensure the effective and safe operation of gas and oil-fueled appliances, by preventing downdrafts and protecting the chimney from external elements.
National Flues is a leading UK supplier of fireplaces and flues, known for unbeatable prices, reliable delivery, and excellent customer service for both retail and trade customers nationwide.
