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Single Wall to Twin Wall Increaser Ø 175 - Ø 200 (2-175-002)

National Flues’ Single Wall to Twin Wall Increaser Ø 175 - Ø 200 is a precision-engineered universal adaptor designed for seamless connection between various flue types. Crafted for durability and certified to meet stringent HETAS and CE standards, this product is ideal for woodstoves, gas boilers, oil appliances, and other solid fuel systems. Read more...
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At a Glance

  • HETAS Approved & CE Marked
  • Durable 304 grade stainless steel outer & 316 grade stainless steel inner construction
  • High-density compressed rockwool insulation (200kg/m3) for optimal safety
  • Seamless transition from single wall to TWPro twin wall flues
  • Universal adaptor suitable for woodstoves, gas, oil, and solid fuel appliances

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 Single Wall to Twin Wall Increaser Ø 175 - Ø 200 is an essential connector for woodstoves, gas coal fires, oil, and gas boilers. Crafted with a robust 304 grade stainless steel outer skin and a 316 grade stainless steel inner skin, each 0.4mm thick, the increaser promises longevity and efficient performance. Insulated with high-density compressed rockwool (200kg/m3), this product ensures optimal safety with a safe distance of 50mm from combustibles.

Fully welded and HETAS Approved with CE marking, it meets all necessary safety standards (EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 W V2 L50040 O20). Installation is straightforward with a locking band to secure TWPro twin wall insulated chimney parts, making it a reliable choice for any solid fuel or gas/oil appliance system.

SKU: 2-175-002

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
SKU2-175-002
In Stock10
Price20.51
Outer Material304 Stainless Steel (0.4mm thick)
Inner Material316 Stainless Steel (0.4mm thick)
InsulationHigh-density compressed rockwool (200kg/m3)
Combustible Clearance50mm
CertificationsHETAS Approved, CE Marked
DesignationsEN1856-1 T600 N1 W V2 L50040 G50 / EN1856-1 T200 W V2 L50040 O20
System CompatibilityTWPro
Before installation, ensure that the appliance and flue system are completely cool. Secure the Single Wall to Twin Wall Increaser using the provided locking band to connect TWPro twin wall insulated parts effectively. Always maintain a minimum 50mm distance from any combustible surfaces. Refer to the manufacturer’s guidelines for step-by-step installation instructions and conduct a thorough safety check once the installation is complete.

The increaser is suitable for woodstoves, gas coal effect fires, oil and gas boilers, and any solid fuel appliances.

Yes, the Single Wall to Twin Wall Increaser Ø 175 - Ø 200 is HETAS Approved and CE marked, meeting all safety standards.

The increaser is installed by securing the TWPro twin wall insulated chimney parts together using a locking band. It is important to maintain a 50mm distance from any combustible material.

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

The 50mm distance is crucial to prevent heat transfer to combustible materials like wood or plasterboard, ensuring safety and compliance with standards.

This product is CE marked and HETAS approved with the designation numbers EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 W V2 L50040 O20.

Yes, the universal adaptor is designed to connect single wall connecting flues or vitreous enamel to the TWPro system seamlessly.

 

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