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Wall Sleeve - Ø 200 (15-200-098)

Discover National Flues' Wall Sleeve - Ø 200, a premium chimney accessory designed to safeguard flue systems as they pass through exterior walls. Ideal for solid fuel appliances including woodstoves, as well as gas and oil boilers, this wall sleeve provides a secure and energy-efficient solution. Read more...
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At a Glance

  • Crafted with high-grade 304 and 316 stainless steel for durability
  • 40mm thickness for both inner and outer skins
  • Uses compressed rockwool insulation (200kg/m3 for TWPro, 128kg/m3 for KC)
  • Fully welded construction for enhanced safety
  • Suitable for solid fuel and gas/oil appliances including woodstoves and boilers
  • HETAS Approved and CE marked to meet strict safety standards
  • Designed for installations through exterior walls with precise clearance requirements

Please Note: All dimensions refer to the internal diameter of flues. If unsure, please call 01670 206999 to ensure you choose the correct products.

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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.
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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 Wall Sleeve - Ø 200 is an essential component designed for chimney installations passing through exterior walls. Crafted from high-grade materials, it ensures the safe passage of your flue system. The outer skin is constructed from 304-grade stainless steel, while the inner skin is made from even more resilient 316-grade stainless steel, both boasting a thickness of 0.4mm.

For insulation, the sleeve utilises compressed rockwool, providing a robust density of 200kg/m3 for TWPro and 128kg/m3. Fully welded construction is a hallmark of quality, ensuring long-lasting durability.This Wall Sleeve is perfect for solid fuel and gas/oil appliances, including woodstoves, gas coal effect fires, and boilers. The critical distance between combustibles and the outside of the flue is maintained at 50mm for TWPro and 60mm for KC.

Thanks to rigorous testing, the Wall Sleeve is both HETAS Approved and CE marked, offering peace of mind in safety and performance.Installing the Wall Sleeve is straightforward: secure the TWPro Twin Wall Insulated Chimney parts together using a Locking Band, ensuring the necessary clearance from combustible materials like wood and plasterboard. When fitting through a wall at a 45-degree angle, you can easily modify the sleeve for a snug fit using a grinder or hacksaw.

SKU: 15-200-098

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
SKU15-200-098
DimensionsØ 200 (8 inch) wall sleeve
Inner Material316L Stainless Steel - 0.40mm thick
Outer Material304 Stainless Steel - 0.40mm thick
InsulationCompressed Rockwool (200kg/m3 for TWPro, 128kg/m3 for KC)
ApprovalsHETAS Approved, CE marked
Clearance DistancesTWPro: 50mm; KC: 60mm
The installation of the Wall Sleeve - Ø 200 is straightforward but requires attention to detail. Start by ensuring the chimney flue passes through the exterior wall with the necessary clearances: 50mm for TWPro systems and 60mm for KC systems. Secure the TWPro Twin Wall Insulated Chimney parts together using the provided Locking Band. For installations where the flue must pass through at a 45-degree angle, the sleeve can be safely modified using standard tools like a grinder or a hacksaw. Always wear protective gear and follow local building regulations and manufacturer guidelines when installing.

The outer skin of the Wall Sleeve is made from 304-grade stainless steel, while the inner skin is constructed from 316-grade stainless steel, both being 0.4mm thick.

Yes, the Wall Sleeve is suitable for solid fuel and gas/oil appliances such as woodstoves, gas coal effect fires, oil, and gas boilers.

The required distance to combustibles is 50mm for TWPro and 60mm for KC systems.

Yes, the Wall Sleeve is HETAS Approved and CE marked, ensuring compliance with rigorous safety and performance standards.

The TWPro Twin Wall Insulated Chimney parts are secured together using a Locking Band. It is essential to maintain the required distance from any combustible material. For installations at 45 degrees, taper-cutting the sleeve ensures a snug fit.

Yes, if the installation requires going through the wall at a 45-degree angle, you can cut the sleeve to fit flush in the wall using a grinder or a hacksaw.

The Wall Sleeve uses compressed rockwool insulation with densities of 200kg/m3 for TWPro and 128Kg/m3 for KC.

 

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