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Flex to Twin Wall Adaptor Ø 175

National Flues presents the Flex to Twin Wall Adaptor Ø 175mm – a robust, stainless steel solution designed for seamless connections between flexible flue liners and twin wall chimney systems. Engineered for woodstoves, gas, oil, and coal appliances, this CE marked and HETAS approved adaptor guarant... More...
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Now only £72.49
Including VAT Buy with confidence. If you find this cheaper within 48 hours of checkout, we'll refund the difference.

At a Glance

  • - Constructed from premium 304 & 316-grade stainless steel
  • - High-density compressed rockwool insulation for optimal efficiency
  • - Fully HETAS approved and CE marked for safety
  • - Secure screw fix coupling for reliable installation
  • - Compatible with a range of appliances (woodstoves, boilers, gas, oil, coal)
  • - Maintains a safe 50mm clearance from combustible materials

 

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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.

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Have Questions?
Phone: 01670 206999
Email: [email protected]

The Flex to Twin Wall Adaptor Ø 175mm is designed for use with solid fuel and gas/oil appliances, including woodstoves, gas coal effect fires, and boilers. Constructed to the highest standards, the outer skin of the adaptor is crafted from 304-grade stainless steel with a thickness of 0.4mm, while the inner skin is made from premium 316-grade stainless steel, also 0.4mm thick. The insulation consists of high-density compressed rockwool, ensuring optimal safety and efficiency.

Each part is fully welded, and the system maintains a minimum clearance of 50mm from any combustible materials. Fully compliant with HETAS standards and CE marked, the Flex to Twin Wall Adaptor guarantees safety and performance. The installation process is straightforward, involving a screw fix coupling to the flexible flue liner and securement using a Locking Band.

Ensure that the transition is made inside an existing class 1 chimney, keeping flexible liners out of sight.

SKU: 2-175-101

Technical Specifications
Product NameFlex to Twin Wall Adaptor u00d8 175mm
Outer Material304 Stainless Steel (0.40mm thick)
Inner Material316 Stainless Steel (0.40mm thick)
InsulationHigh-density compressed rockwool
ApprovalsHETAS / CE
ClearanceMinimum 50mm from combustibles
ApplicationsWoodstoves, boilers, gas, oil, and low sulphur coal appliances
Installation should be carried out within an existing class 1 chimney. Begin by attaching the screw fix coupling to the flexible flue liner. Then, secure the adaptor using the provided Locking Band, ensuring that a minimum clearance of 50mm is maintained from any combustible material. It is essential that the transition takes place inside the chimney to ensure that no part of the flexible liner is visible externally. Always follow manufacturer guidelines and consult a qualified professional if unsure.

The Flex to Twin Wall Adaptor Ø 175mm is compatible with solid fuel and gas/oil appliances such as woodstoves, gas coal effect fires, oil and gas boilers, and other solid fuel devices.

The adaptor is made of high-quality 304 grade stainless steel for the outer skin and 316 grade stainless steel for the inner skin, both with a thickness of 0.4mm. The insulation is compressed rockwool with a density of 200kg/m3.

Yes, the Flex to Twin Wall Adaptor Ø 175mm is fully HETAS approved and CE marked, meeting stringent safety and performance standards.

The adaptor is installed using a screw fix coupling that attaches to the flexible flue liner. Secure all parts with a Locking Band and ensure a minimum distance of 50mm from any combustible materials.

Maintain at least 50mm distance from the outside of the flue to any combustible material, such as wood or plasterboard.

No, the transition must be made inside an existing class 1 chimney with no flexible liner visible outside the brick or clay chimney.

The product holds the following designation numbers: EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 W V2 L50040 O20.
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, April 8th. If you need faster stove or fireplace delivery please give us a call. We can often reduce longer lead times if we pay the carrier £25 for express delivery. Visit our Shipping Information page for more information.

Warranty & Returns +

All our products come with warranties. Mi-Flex offers a lifetime guarantee. Returns for damaged items are covered by insurance; non-damaged returns incur return delivery costs.

Price Match Guarantee +

We will match any price like for like. If you find it cheaper within 48 hours, we'll refund the difference.

Read our buyers guide for this Flex to Twin Wall Adaptor Ø 175

National Flues Ltd Verdict

The Flex to Twin Wall Adaptor Ø 175mm is an essential piece for a seamless chimney system. This product ensures a secure and reliable connection between your flexible flue liner and twin wall chimney system. With our commitment to unbeatable prices and reliable nationwide delivery, both retail and trade customers can trust National Flues for quality and consistency.

The Flex to Twin Wall Adaptor Ø 175mm ensures a secure connection between flexible flue liners and twin wall chimney systems, facilitating safe and efficient ventilation for various appliances.

National Flues is a trusted supplier of high-quality fireplaces and flues, serving both retail and trade customers across the UK. Known for competitive pricing, reliable delivery, and a wide range of products, National Flues is dedicated to customer satisfaction.

 

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