× National Flues
We Won't Be Beaten On Price.
Free Delivery on Orders Over £100
100% 5 Star Reviews on Trustpilot
Free Flue Design Service Available
Need Help? 01670 206999 (8am-5pm)

Adjustable Pipe 350-500mm Ø 200 (2-200-015)

Discover the premium Adjustable Twin Wall Flue Pipe from National Flues, expertly designed for efficient venting in both residential and commercial settings. Ideal for wood, oil, gas, and solid fuel appliances, this versatile chimney flue offers a reliable and high-performance solution. Enhance your installation with this top-quality adjustable pipe—a perfect choice among chimney accessories.
Hover to Zoom / Click for Gallery
£119.49
with free delivery Give us a call if you find it cheaper and we'll try to price match.

 

Payment Options

At a Glance

  • Adjustable length (350-500mm) for a perfect fit
  • Robust twin wall construction using 304 and 316 grade stainless steel
  • High-density compressed rockwool insulation for enhanced heat retention
  • HETAS approved and CE marked to meet strict UK safety standards
  • Easy, screw-free installation using a locking band system

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: [email protected]

Our Adjustable Twin Wall Flue Pipe (350-500mm Ø 200) is a versatile and essential component for safely venting solid fuel and gas/oil appliances such as woodstoves and boilers. Manufactured with precision, this flue pipe features an outer skin of 304 grade stainless steel and an inner skin of 316 grade stainless steel, both with a thickness of 0.4mm. The insulation, a high-density compressed rockwool (200kg/m3), ensures exceptional heat retention and safety.

Fully welded construction enhances its durability and reliability. To meet safety and compliance standards, it maintains a 50mm gap from combustible materials and is HETAS approved and CE marked. This adjustable pipe is designed to adapt to various installation requirements, making it an ideal choice for a range of environments.

SKU: 2-200-015

Technical Specifications
SKU2-200-015
Product NameAdjustable Pipe 350-500mm u00d8 200
Material - Outer304 Stainless Steel (0.4mm thick)
Material - Inner316 Stainless Steel (0.4mm thick)
InsulationHigh-density compressed rockwool (200kg/m3)
ApprovalHETAS, CE
Adjustment Range350mm to 500mm
Distance To Combustibles50mm
Ensure a 50mm gap from any combustible materials when installing this flue pipe. Begin by measuring the required length and then cut the body-soluble ceramic blanket to the desired size. Secure the segments together using the provided locking band—no screws are needed. Follow the detailed installation guide and safety instructions provided in the package. If you are unsure at any step, consult a certified professional installer to help ensure your chimney system remains safe and fully compliant with UK standards.

This adjustable flue pipe is suitable for solid fuel, gas, and oil appliances, including woodstoves, gas coal effect fires, and oil and gas boilers.

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 high-density compressed rockwool at 200kg/m3.

Yes, the Adjustable Twin Wall Flue Pipe is HETAS approved and also CE marked, ensuring it meets high safety and quality standards.

The pipe segments are secured together using a locking band, and it is important to maintain a 50mm gap from any combustible materials. No screws are needed for installation.

The adjustable length of this flue pipe ranges from 350mm to 500mm, allowing flexibility for different installation needs.

Ensure that a 50mm distance is maintained from all combustible materials (such as wood and plasterboard) during the installation process.

Yes, the versatility and safety approvals of this product make it suitable for both residential and commercial applications.
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Wednesday, April 30th. 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 on a retail basis. Give us a call if you find it cheaper and want to buy from us.

Read our review in our Adjustable Pipe 350-500mm Ø 200 buyers guide

Secure your adjustable flue pipe now for a safe, efficient, and smart chimney solution.

Your recently viewed products:

Multiple Payment Options- including Klarna, Clearpay, Mastercard, Visa and Paypal