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Liner Accesssories - Increasing Adaptor 175-200mm ID S/S (59-127672)

Discover the Isokern Increasing Adaptor, a high-quality stainless steel liner accessory engineered for 175-200mm ID chimney systems. Perfect for seamless flue integration in new builds, extensions, and relining projects, this premium product from National Flues combines efficiency, durability, and safety. Read more...
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At a Glance

  • Premium stainless steel construction
  • Natural pumice insulation for enhanced heat retention
  • Versatile compatibility with wood, gas, and oil systems
  • HETAS approved and CE marked for UK safety standards
  • Ideal for new builds, extensions, and relining projects

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 Isokern Increasing Adaptor (175-200mm ID, 255mm OD) is a premium stainless steel accessory designed to enhance your chimney flue system's efficiency. This adaptor is suitable for a variety of applications including new builds, extensions, and the relining of existing chimneys. It is compatible with solid fuel, gas, and oil appliances such as wood stoves, gas coal effect fires, and oil and gas boilers.

The use of pumice as a natural insulator sets this product apart by enabling the flue gases to reach optimal temperature quickly, thus improving your heating appliance's performance and reducing the risk of condensation and soot buildup. HETAS approved and CE marked, this adaptor meets the highest standards of safety and performance.

SKU: 59-127672

Delivery Information* +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Friday, November 14th. 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
Internal Diameter175-200mm
External Diameter255mm
MaterialStainless Steel with Pumice insulation
DesignationsEN1858 - T450 N1 D 3 G(00), EN1857 - T600 N2 D 3 G
Warranty10 Years
InsulationPumice
Clearance0mm on straights; 38mm on offsets (DM System)
Before installation, ensure that you accurately measure your chimney liner diameters to match the adaptor’s specifications. Adhere to the manufacturer's guidelines and local building codes; note that the product requires 0mm clearance on straight sections and a minimum of 38mm on offsets in DM systems. It is recommended to consult a certified professional installer to guarantee a safe and compliant setup. Always verify that flue gases can pass freely to maintain the system's efficiency and safety.

An Increasing Adaptor is a component used to connect two different diameters of flue liners, ensuring a smooth transition and maintaining the efficiency of your chimney system.

Yes, the Isokern Increasing Adaptor is suitable for gas appliances, as well as wood stoves, oil boilers, and other solid fuel appliances.

Pumice acts as a natural insulator, keeping your chimney warm longer, reducing condensation and soot buildup, and ensuring your heating appliance operates efficiently.

Yes, this product is HETAS approved, ensuring it meets high safety and performance standards.

Absolutely, the Isokern Increasing Adaptor is versatile enough for use in new builds, extensions, and relining existing chimneys.

The Isokern Increasing Adaptor has an internal diameter of 175-200mm and an external diameter of 255mm.

Yes, National Flues provides reliable delivery services nationwide, ensuring you receive your products promptly regardless of your location within the UK.

 

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