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Gasket - Ø 175 (15-175-102)

National Flues presents the Gasket Seal for Ø 175mm, a premium chimney accessory engineered for excellence. Ideal for solid fuel appliances such as wood stoves as well as gas and oil boilers, this gasket seal is designed to meet the highest safety and performance standards. Read more...
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At a Glance

  • Constructed with dual-grade stainless steel: 304 outer and 316 inner for robust durability
  • 40mm thickness for both layers ensures resilience and resistance
  • Compressed rockwool insulation for optimal thermal performance
  • HETAS Approved and CE marked for uncompromised safety standards
  • Designed for TWPro and KC systems, ensuring versatile compatibility

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.
  • Bulk Purchasing Power: We sell a lot, so we can negotiate better rates with suppliers, passing the savings directly to you.
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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 Gasket Seal for Ø 175mm is engineered for use with an array of solid fuel and gas/oil appliances, including wood stoves, gas coal effect fires, and boilers. This high-quality gasket features robust construction, with an outer layer crafted from 304-grade stainless steel and an inner layer from 316-grade stainless steel, each 0.4mm thick. The insulation is composed of compressed rockwool, boasting densities of 200kg/m³ (TWPro) and 128Kg/m³ (KC).

The design ensures a safe distance to combustibles of 50mm for TWPro and 60mm for KC models.This product meets rigorous safety standards, being both HETAS Approved and CE marked with the following designation numbers: TWPro EN1856-1 T600 N1 W V2 L50040 G50, TWPro EN1856-1 T200 W V2 L50040 O20, KC EN1856-1 T600 N1 W V2 L50040 G60, and KC EN1856-1 T200 W V2 L50040 O20.Installation is quick and secure, utilizing a locking band to fasten all TWPro Twin Wall Insulated Chimney parts. Ensure compliance with the mandatory distance from any combustible materials like wood or plasterboard for optimal safety and performance.

SKU: 15-175-102

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
Chimney DiameterØ 175mm
Outer Material304 Stainless Steel
Inner Material316 Stainless Steel
Material Thickness0.40mm
InsulationCompressed Rockwool
Insulation Densities200kg/m³, 128kg/m³
Safety ApprovalsHETAS, CE
Distance To Combustibles50mm, 60mm
Installation MethodLocking Band System
Compatible SystemsTWPro, KC
• Ensure that you have all the necessary components for your TWPro or KC chimney system before beginning installation. • Clean the installation area thoroughly to remove any debris that might interfere with the gasket seal. • Position the gasket seal carefully onto the Ø 175mm flue, ensuring that it aligns perfectly with the chimney structure. • Secure the gasket seal using the provided locking band; tighten it firmly to ensure a secure fit without over-tightening, which might damage the gasket. • Always maintain the safety distance: 50mm clearance from combustibles for TWPro systems and 60mm for KC systems. • Follow all safety guidelines provided in your chimney installation manual and consult a professional if unsure about any stage of the installation process.

The Gasket Seal is suitable for solid fuel and gas/oil appliances such as wood stoves, gas coal effect fires, and boilers.

The Gasket Seal is designed for a 175mm (7 inch) chimney flue.

Yes, the Gasket Seal is HETAS Approved and CE marked.

The outer skin is made from 304-grade stainless steel, while the inner skin is made from 316-grade stainless steel. The insulation is compressed rockwool.

The Gasket Seal is installed using a locking band to securely connect all TWPro Twin Wall Insulated Chimney parts.

For the TWPro model, the distance is 50mm, and for the KC model, it is 60mm.

Yes, the Gasket Seal is specifically required for chimneys used with condensing appliances.

 

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