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 100 (37-100-094)

The TWPro MB Rotating Cowl - Ø 100 from TWPro is the ultimate chimney accessory engineered for optimal performance. Perfect for solid fuel, gas, and oil appliances, this high-quality, stainless steel chimney cowl is designed to combat down drafts and enhance airflow. Read more...
Now only £217.99
including free delivery Give us a call if you find it cheaper and we'll normally price match.
  • Fast deliveryFriday, November 14th*
  • Best PriceCall us to beat any price you found online.
  • Secure checkoutCard· Google/Apple Pay· Klarna· Paypal

 

Payment Options

At a Glance

  • Resolves down draft issues through efficient rotating mechanism
  • Constructed with durable 304 and 316 stainless steel
  • Suitable for wood, gas, oil, and low sulphur coal appliances
  • HETAS approved and CE marked for safety and compliance
  • Ensures a safe 50mm clearance from combustible materials

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 - Ø100mm is an essential addition to any chimney system, particularly if you're dealing with problems of down draft. Designed for use with solid fuel, gas, and oil appliances—including woodstoves, gas coal effect fires, oil boilers, and gas boilers—this rotating cowl ensures optimal performance by equalizing outlet velocity. Constructed with an outer skin of 304 stainless steel coated with a high-temperature black finish and an inner layer made of 316 grade stainless steel, it boasts a robust 0.4mm thickness.

The insulation is top-notch, utilizing compressed rockwool with a density of 200kg/m3. Fully welded parts ensure durability and a secure fit, maintaining a safe 50mm distance from combustibles. This product is HETAS approved and CE marked, with designation numbers EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 P1 W V2 L50040 O20.

The installation process is straightforward, employing a Locking Band (supplied) to secure parts together, ensuring a flawless setup.

SKU: 37-100-094

Delivery Information* +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Friday, November 14th. 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.

Technical Specifications
ModelTWPro MB Rotating Cowl - Ø 100
MaterialOuter: 304 Stainless Steel (High Temperature Black Coated), Inner: 316 Stainless Steel
Thickness0.40mm
InsulationCompressed Rockwool, 200kg/m3
Fuel CompatibilityWood, Oil, Gas, Low sulphur coal
ApprovalsHETAS / CE
DesignationEN1856-1 T600 N1 W V2 L50040 G50, EN1856-1 T200 P1 W V2 L50040 O20
Minimum Clearance50mm from combustibles
• Ensure the inclusion of the supplied Locking Band for a secure assembly • Maintain a minimum clearance of 50mm from combustible materials to comply with safety standards • Follow the manufacturer’s detailed installation guide for proper alignment and fastening • Verify that the chimney system is free of obstructions to allow optimal rotation of the cowl • If in doubt, consult a professional installer to guarantee safety and efficacy

The TWPro MB Rotating Cowl is compatible with solid fuel, gas, and oil appliances, such as woodstoves, gas coal effect fires, oil boilers, and gas boilers.

The outer skin is made from 304 stainless steel with a high-temperature black finish, while the inner skin is 316 grade stainless steel. Both are 0.4mm thick, and the insulation consists of compressed rockwool with a 200kg/m3 density.

The cowl should be installed using the supplied Locking Band to secure parts together. Maintain a minimum distance of 50mm from any combustible materials such as wood or plasterboard.

Yes, the TWPro MB Rotating Cowl is HETAS approved and CE marked. Its designation numbers are EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 P1 W V2 L50040 O20.

The rotating cowl helps mitigate down draft issues in the chimney by spinning in the wind to equalize the outlet velocity, thus improving overall chimney performance.

A minimum distance of 50mm must be maintained from the outside of the flue to any combustible materials.

It effectively solves down draft problems, is durable due to its stainless steel construction, and can be used with various fuel types, making it a versatile and reliable choice for your chimney system.

 

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