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Twin Wall to Twin Wall Increaser Ø 175 - Ø 200 (2-175-004)

National Flues presents its premium Twin Wall to Twin Wall Increaser Ø 175 - Ø 200, designed to flawlessly upgrade and adapt your TWPro flue systems. Made with high-grade 304 and 316 stainless steel, this accessory is indispensable for woodstove, oil, and gas boiler applications. Read more...
Twin Wall to Twin Wall Increaser Ø 175 - Ø 200
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Now only £96.99
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At a Glance

  • Compatible with numerous fuel types including wood, oil, gas, and low sulphur coal.
  • Constructed using high-quality 304 and 316 stainless steel, both 0.40mm thick, for lasting durability.
  • Designed specifically for TWPro chimney systems, ensuring a secure and efficient diameter expansion from Ø 175 to Ø 200.
  • CE marked and HETAS approved, meeting stringent safety standards.
  • Features effective compressed rockwool insulation with a density of 200kg/m³ to ensure excellent thermal efficiency.
  • Offers a quick and reliable solution to adapt your chimney system to varying appliance 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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Have Questions?
Phone: 01670 206999
Email: sales@nationalflues.com

The Twin Wall to Twin Wall Increaser Ø 175 - Ø 200 is an essential accessory for expanding your chimney flue system. This increaser is suitable for use with solid fuel, gas, and oil appliances, including woodstoves, gas coal effect fires, and oil and gas boilers. Constructed with an outer skin of 304 grade stainless steel and an inner skin of 316 grade stainless steel, both 0.4mm thick, this increaser guarantees durability and long-lasting performance.

The insulation consists of compressed rockwool with a density of 200kg/m³, ensuring excellent thermal efficiency. The product meets the highest safety standards with a CE mark and HETAS approval. Installation is straightforward, requiring the use of a Locking Band to secure the chimney parts, and it is crucial to maintain a 50mm distance from combustibles.

This product is designed to expand the diameter of your chimney system in 25mm increments, facilitating easy adaptation to various system requirements.

SKU: 2-175-004

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
Diameter ExpansionØ 175 to Ø 200
Outer Material304 Stainless Steel, 0.40mm thick
Inner Material316 Stainless Steel, 0.40mm thick
InsulationCompressed Rockwool, 200kg/m³
CertificationsHETAS / CE
Combustible Clearance50mm
System CompatibilityTWPro Chimney Systems
Fuel TypesWood, Oil, Gas, Low Sulphur Coal
Installation is straightforward but requires careful attention to safety. Always use a Locking Band to secure the individual chimney parts together. During installation, ensure there is a minimum clearance of 50mm from any combustible material around the flue. For best results, follow local building regulations and consider consulting a professional installer if you are not familiar with chimney systems. Regular inspections post-installation are recommended to maintain system efficiency and safety.

The increaser is primarily used to expand the diameter of your TWPro chimney flue system to accommodate different appliance sizes and requirements.

Yes, the increaser is suitable for use with solid fuel, gas, and oil appliances, including woodstoves, gas coal effect fires, and oil and gas boilers.

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

The Twin Wall to Twin Wall Increaser is HETAS approved and CE marked, meeting stringent safety and quality standards.

Installation involves securing the TWPro Twin Wall Insulated Chimney parts together with a Locking Band. Ensure a 50mm distance from the outside of the flue to any combustible materials.

This particular model increases the diameter from Ø 175mm to Ø 200mm, offering a flexible solution for your chimney flue system.

National Flues provides top-quality products at competitive prices, with reliable delivery nationwide. We cater to both retail and trade customers, ensuring secure online payments for a seamless shopping experience.

 

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