Free Delivery over £100+ 5on Trustpilot Browse our popular stoves Fast Mainland UK Delivery Buy stoves with install packs Call 01670 206 999 for help

TWPro MB - Rotating Cowl - Ø 200 (37-200-094)

Discover the TWPro MB Rotating Cowl – Ø 200 from National Flues, a premium chimney solution built to optimise performance for woodstoves, oil boilers, and gas appliances. This robust, rotating cowl not only combats down drafts efficiently but also adds an aesthetic and practical touch to your chimney system. Read more...
TWPro MB - Rotating Cowl - Ø 200
IN STOCK
Product Thumbnail
Now only £274.99
including free delivery Give us a call if you find it cheaper and we'll normally price match.
  • Fast deliveryMonday, November 17th*
  • Best PriceCall us to beat any price you found online.
  • Secure checkoutCard· Google/Apple Pay· Klarna· Paypal

 

Payment Options

At a Glance

  • HETAS approved and CE marked for safety and reliability
  • Robust dual-layer stainless steel construction (304 outer, 316L inner) with a high temperature black coating
  • Efficient compressed rockwool insulation (200kg/m³) for superior thermal performance
  • Designed to minimise down drafts with an innovative rotating cover
  • Compatible with a range of fuels including wood, oil, gas, and low sulphur coal

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: sales@nationalflues.com

The TWPro MB Rotating Cowl Ø 200 is expertly designed for use on solid fuel and gas/oil appliances, such as woodstoves, gas coal effect fires, oil boilers, and gas boilers. Constructed with precision, the outer skin is made from robust 304 stainless steel with a 0.4mm thickness, coated in a high-temperature black finish. The inner skin comprises 316-grade stainless steel, also 0.4mm thick, ensuring durability and resistance against corrosive elements.

The insulation consists of compressed rockwool with an impressive density of 200kg/m3, making it a resilient choice for various installations. Each component is fully welded, ensuring a secure and long-lasting construction. For safety, a distance of 50mm must be maintained from combustibles.

TWPro is both HETAS approved and CE marked, meeting rigorous standards with designations EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 P1 W V2 L50040 O20. The installation process is straightforward, involving the use of a locking band (supplied) to securely join the twin-wall insulated chimney parts.

SKU: 37-200-094

Delivery Information* +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Monday, November 17th. This is based on current lead times. Bear in mind that it is a busy time of year. If you need a product delivered by a specific time in the next 7 days, then please give us a call on 01670 206 999. Visit our Shipping Information page for more information.

About National Flues Ltd +

We began over 30 years ago as a fireplace shop in the North East. We now supply hundreds of trade professionals and thousands of retail customers, all across the UK, every month. We are still a family owned business, lead by the MD Neil, and always try our best to deliver the best possible experience. We also price match, so give us a call if you find this cheaper and want to buy from us. Visit our about us page to read a bit more.

This is us — real advice over the phone, or at the counter, and real stock in our warehouse.

Customer being served at the National Flues trade counter
Trade counter Installer collection & same-day help.
Team helping customers at the counter
Advice Real people on the phone to spec the right parts.
Friendly member of the team at the front desk
Here to help Friendly, straight answers from HETAS approved experts.
Warehouse shelves with boxed flue components being picked for dispatch
Warehouse Orders picked & dispatched nationwide.
Talk to the team Visit our trade counter
Technical Specifications
ModelTWPro MB - Rotating Cowl - Ø 200
DesignationsEN1856-1 T600 N1 W V2 L50040 G50 / EN1856-1 T200 P1 W V2 L50040 020
Outer Material304 Stainless Steel, 0.40mm, high temperature black coated
Inner Material316L Stainless Steel, 0.40mm
InsulationCompressed rockwool (200kg/m³)
Fuel CompatibilityWood, Oil, Gas, Low sulphur coal
Safety Clearance50mm to combustibles
CertificationsHETAS approved, CE marked
Installation MethodSecure locking band provided for joining twin-wall insulated chimney parts
Installation is straightforward yet requires attention to detail. Begin by verifying that a minimum clearance of 50mm is maintained from any combustible material. The TWPro MB Rotating Cowl is designed to join with twin-wall insulated chimney parts using the supplied locking band. Ensure that all components are fully welded and secure. Familiarise yourself with the provided installation manual which includes step-by-step instructions. It is essential to work on a stable surface and, if necessary, consult a professional installer to guarantee that the chimney system is set up safely and according to manufacturer recommendations. Failure to maintain the required safety distances or improper installation can influence performance and safety.

The TWPro MB Rotating Cowl Ø 200 is suitable for solid fuel and gas/oil appliances, including woodstoves, gas coal effect fires, oil boilers, and gas boilers.

Yes, the cowl is constructed with high-quality materials including 304 and 316-grade stainless steel, ensuring long-lasting durability and resistance to heat and corrosion.

A distance of 50mm must be maintained from the outside of the flue to any combustible materials such as wood or plasterboard.

Yes, the TWPro Rotating Cowl Ø 200 is HETAS approved and CE marked, adhering to the highest safety and performance standards.

The cowl can be installed by securing the twin-wall insulated chimney parts together using a supplied locking band. Ensure the required safety distance from combustibles.

The rotating cover helps to manage down drafts by spinning in the wind, which equalizes the outlet velocity and enhances the chimney's performance.

Yes, it is available in various sizes to fit different chimney flue diameters. The specific product discussed here fits a Ø 200mm (8-inch) diameter chimney.

 

Call the Experts   8am-5pm
👀 6 people watching this