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TWPro MB - Rain Cap - Ø 125 (37-125-090)

The TWPro MB Rain Cap Ø 125 provides premium chimney protection with superior rain guarding capabilities. This high-quality TWPro product, ideal for wood stoves, gas boilers, oil boilers and solid fuel appliances, combines innovative stainless steel construction with industry-leading insulation. Read more...
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At a Glance

  • HETAS approved and CE marked for safety and reliability.
  • Outer shell in high temperature black coated 304 stainless steel; inner shell in durable 316L stainless steel.
  • Dense 200kg/m³ compressed rockwool insulation for optimal thermal efficiency.
  • Precisely engineered to prevent rain ingress and protect chimney integrity.
  • Versatile design suitable for a range of appliances including wood stoves, gas boilers, oil boilers and solid fuel systems.

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 Ø 125 is a top-tier solution for preventing rain ingress into your chimney flue. Constructed with high-quality materials, it features an outer skin of 304 stainless steel with a high temperature black finish, and an inner skin made from 316-grade stainless steel. The rockwool insulation, with a dense 200kg/m³ composition, ensures exceptional thermal efficiency.

Fully welded parts guarantee durability and long-lasting performance. This rain cap is suitable for a wide range of appliances, including wood stoves, gas coal effect fires, oil boilers, and any solid fuel appliances. With a designated approval from HETAS and CE marking, it meets every necessary safety standard.

Installation is made easy with the included locking band, ensuring a secure fit. It's vital to maintain a 50mm safety distance from combustibles like wood or plasterboard when installing.

SKU: 37-125-090

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.

Technical Specifications
DimensionsØ 125mm
Outer Material304 Stainless Steel with High Temperature Black Coating
Inner Material316L Stainless Steel
Insulation200kg/m³ Compressed Rockwool
ApprovalsHETAS and CE
Safety Distance50mm from combustibles
Product Code37-125-090
InstallationIncludes locking band for secure assembly
Installation is straightforward with the included locking band. Begin by ensuring the flue system is clean and free of debris. Position the rain cap directly on the chimney flue, maintaining a safe clearance of 50mm from any combustible material such as wood or plasterboard. Secure the cap by engaging the locking band firmly, ensuring all twin-wall insulated parts are safely connected. Always consult your chimney system's guidelines and, if in doubt, consider hiring a certified professional for installation. Note: Improper installation may compromise the product's performance and safety certifications.

The TWPro MB Rain Cap is suitable for solid fuel and gas/oil appliances, such as wood stoves, gas coal effect fires, oil boilers, and gas boilers.

The rain cap features an outer skin of 304 stainless steel with a high temperature black finish, and an inner skin made from 316-grade stainless steel. It also includes compressed rockwool insulation with a density of 200kg/m³.

Yes, the TWPro MB Rain Cap is HETAS approved and CE marked, ensuring it meets high safety and performance standards.

It is recommended to maintain a 50mm distance from the outside of the flue to any combustible material like wood or plasterboard.

Installation of the TWPro MB Rain Cap is straightforward using the included locking band, which secures all twin-wall insulated chimney parts together.

This specific model is Ø 125mm, but other sizes are available to fit different requirements.

Insulation in a rain cap, like the compressed rockwool in the TWPro MB, improves thermal efficiency by maintaining proper flue temperatures, which ensures better performance and safety.

 

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