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Wall Support 210mm-420mm - Ø 175 (15-175-055)

National Flues presents the Wall Support 210mm-420mm - Ø 175, a premium solution designed for secure chimney installations. Our product, engineered with top-grade stainless steel and advanced insulation, guarantees reliable support for twin wall insulated chimneys. Read more...
Wall Support 210mm-420mm - Ø 175
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Now only £73.99
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At a Glance

  • Adjustable length from 210mm to 420mm
  • Constructed with premium 304 and 316 grade stainless steel (0.4mm thick)
  • Compressed rockwool insulation for superior thermal performance
  • Fully welded design for enhanced durability and strength
  • HETAS approved and CE marked for safety compliance
  • Suitable for solid fuel, gas, and oil appliances, including wood stoves and boilers
  • Provides robust lateral support for a secure chimney structure

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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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).

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Phone: 01670 206999
Email: sales@nationalflues.com

The Wall Support 210mm-420mm - Ø 175 is designed for robust lateral support of chimney systems used with solid fuel, gas, and oil appliances such as wood stoves, gas coal effect fires, oil, and gas boilers. Constructed with an outer skin of 304 grade stainless steel and an inner skin of 316 grade stainless steel, both at 0.4mm thickness, it provides exceptional durability. The insulation is made from compressed rockwool, ensuring a high density of 200kg/m3 TWPro / 128Kg/m3.

All components are fully welded for superior strength.With HETAS approval and CE marking, this product meets the highest standards for safety and performance. The TWPro system is designated under multiple European standards, ensuring you have a reliable and compliant product. Installation is straightforward, requiring the use of a locking band to secure parts together.

Importantly, a minimum distance to combustibles must be maintained – 50mm for TWPro and 60mm for KC systems.

SKU: 15-175-055

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.

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Technical Specifications
SKU15-175-055
Adjustable Length210mm to 420mm
Wall Distance Adjustment80mm to 420mm
MaterialOuter: 304 Stainless Steel, Inner: 316 Stainless Steel (0.4mm thick)
InsulationCompressed Rockwool (200kg/m3 TWPro / 128kg/m3 KC)
Fuel CompatibilityWood, Oil, Gas, Low Sulpher Coal
ApprovalsHETAS, CE
Distance To CombustiblesTWPro: 50mm, KC: 60mm
Installation MethodUsing a recommended locking band
SystemTwin Wall Insulated Chimney (TWPro / KC)
Installation of the Wall Support 210mm-420mm - Ø 175 is straightforward yet requires careful adherence to safety guidelines. First, measure your chimney installation to determine the correct placement intervals, recommending supports every 3 metres. Adjust the support to the required length between 210mm and 420mm and ensure that the distance from the wall surface is set between 80mm and 420mm depending on your installation needs. Attach the support securely using the appropriate locking band, making sure all joints are properly welded and fastened. It is critical to observe the minimum distances to combustibles: 50mm for TWPro systems and 60mm for KC systems. Always refer to the manufacturer’s installation instructions and use only the recommended fixings to maintain safety and optimise performance. If in doubt, consult a professional installer to ensure compliance with local building regulations.

The wall support has an outer skin of 304 grade stainless steel and an inner skin of 316 grade stainless steel, both with a thickness of 0.4mm, ensuring durability and strength.

This wall support is suitable for solid fuel, gas, and oil appliances including wood stoves, gas coal effect fires, and oil and gas boilers.

For TWPro systems, maintain a 50mm distance to combustibles, while for KC systems, maintain a 60mm distance.

Yes, the wall support is HETAS approved and CE marked, meeting all necessary European safety and performance standards.

Wall supports should be installed at a minimum interval of every 3 metres for optimal lateral stability.

The TWPro Twin Wall Insulated Chimney parts are secured with a locking band. Ensure the correct distance from combustibles is maintained during installation.

Yes, the wall support can be adjusted from 210mm to 420mm, and it may need to be manually cut to achieve the desired length.

 

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