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TWPro MB - Rain Cap - Ø 100 (37-100-090)

National Flues proudly offers the TWPro MB - Rain Cap Ø 100, an essential accessory for protecting your chimney flue from rainwater ingress. Engineered for durability and efficiency, this premium chimney terminal is ideal for enhancing the performance of woodstoves, oil boilers, and gas appliances while maintaining its robust construction using high-grade stainless steel and advanced insulation techniques.

What it’s for

The TWPro MB - Rain Cap Ø100 is designed to protect your chimney flue from rainwater ingress, ensuring the safe and efficient operation of various solid fuel and gas/oil appliances.

Full features & benefits

  • Robust construction: The dual-layer stainless steel build provides exceptional durability and resistance against harsh weather conditions, ensuring your chimney remains protected for years to come.
  • Superior insulation: The compressed rockwool core improves thermal efficiency, reducing heat loss and enhancing overall system performance.
  • Safety assured: With HETAS approval and CE marking, it verifiably meets established European standards to keep your installation safe.
  • Easy installation: Comes with a Locking Band making installation straightforward and secure without the need for complicated additional accessories.
  • Versatile fuel compatibility: Suitable for a range of fuels including wood, oil, gas, and low sulphur coal, offering flexibility for various heating systems.
Now only £41.99
Give us a call if you find it cheaper and we'll normally price match.
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At a Glance

  • High-grade 304 Stainless Steel outer skin with high-temperature black finish
  • Durable 316L Stainless Steel inner skin ensuring long life
  • Compressed rockwool insulation (200kg/m³) for optimal thermal performance
  • Fully welded construction for enhanced integrity
  • HETAS approved and CE marked to meet stringent safety standards
  • Maintains essential 50mm clearance to combustibles for safety

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 - Rain Cap Ø100 is a top-tier terminal solution designed to provide effective rain protection for your chimney flue. Crafted for use with solid fuel and gas/oil appliances such as woodstoves, gas coal effect fires, oil boilers, and other solid fuel devices, this rain cap ensures optimal functionality. Its construction features an outer skin made from 304 stainless steel, 0.4mm thick, with a high-temperature black finish, and an inner skin made from 316-grade stainless steel, also 0.4mm thick.

The core is insulated with compressed rockwool at a density of 200kg/m3, ensuring durability and efficiency. Fully welded for enhanced integrity, this rain cap maintains a critical 50mm distance to combustible materials for safety. Approved by HETAS and CE marked, it meets the stringent standards of EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 P1 W V2 L50040 O20.

Installation is straightforward with a securing Locking Band provided, making it a hassle-free addition to your chimney system.

SKU: 37-100-090

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
Outer Material304 Stainless Steel - 0.40mm thick with High Temperature Black Coating
Inner Material316L Stainless Steel - 0.40mm thick
InsulationCompressed Rockwool 200kg/m³
ApprovalsHETAS, CE Marked
StandardsEN1856-1 T600 N1 W V2 L50040 G50 & EN1856-1 T200 P1 W V2 L50040 O20
Clearance50mm from combustible materials
Applicable FuelsWood, Oil, Gas, Low Sulphur Coal
Securing MethodLocking Band provided
InstallationQuick and straightforward with minimal additional accessories required
Begin by ensuring your flue is clean and ready for the new rain cap. Position the TWPro MB - Rain Cap Ø 100 atop your chimney system, ensuring a minimum clearance of 50mm from any combustible materials such as wood or plasterboard. Secure the cap firmly using the provided Locking Band. Carefully verify that the cap aligns correctly with your flue outlet to prevent any water ingress. If you face difficulties or are unsure about any step during installation, it is recommended that you consult with a professional installer to ensure compliance with safety standards.

The TWPro MB - Rain Cap Ø100 is suitable for solid fuel and gas/oil appliances, including woodstoves, gas coal effect fires, oil boilers, and all solid fuel devices.

The outer skin is made from 304 stainless steel with a high-temperature black finish, while the inner skin features 316-grade stainless steel. Both are 0.4mm thick.

The rain cap is insulated with compressed rockwool, providing a density of 200kg/m3 to ensure high efficiency and durability.

Yes, the rain cap is HETAS approved and CE marked, meeting standards EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 P1 W V2 L50040 O20.

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

The rain cap is secured using a Locking Band, which is supplied with the product, ensuring a tight and safe fit.

Absolutely! The TWPro MB - Rain Cap Ø100 is versatile and suitable for both residential and commercial chimney systems.

 

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