👀 3 people are viewing this product
× National Flues
Free Delivery on Orders £100+
100% 5* reviewed on Trustpilot
Free stove flue design service
Delivery to mainland UK
Call for help on 01670 206999

Testing Length 500mm Ø 200 (2-200-019)

National Flues proudly presents the 500mm Testing Length Ø 200mm Twin Wall Insulated Chimney Flue, an ideal solution for both solid fuel and gas/oil appliances. This high-quality chimney flue, crafted with precision using premium 316L and 304 stainless steel, ensures durability and high performance. Perfect for woodstoves, oil boilers, and gas appliances, this product meets all the necessary HETAS and CE standards. Enhance your installation experience by exploring our range of accessories tailor Read more...
The price you pay today £142.99
including free delivery Give us a call if you find it cheaper and we'll normally price match.

 

Payment Options

At a Glance

    500mm Testing Length and 200mm diameter for optimal performance
    Twin wall insulated with high-density compressed rockwool (200kg/m³)
    Durable construction featuring 316L inner and 304 stainless steel outer walls (0.40mm thick)
    Built-in test point and cap for safe gas and draft sample collection
    Secure installation with an integrated locking band
    HETAS approved and CE marked, complying with EN1856-1 standards
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, July 1st. This is based on current delivery times for this product. Delivery for products not in our warehouses can be delayed because of third party carriers. If you need a stove, or other bulky product, to be delivered by a specific time in the next 7 days then please give us a call. We can sometimes 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 and you can read in our blog about they types and terms and conditions for warranties. Mi-Flex flue liner, for example, comes with a lifetime guarantee. Give us a call if you want to know about a specific warranty. 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.

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]

The 500mm Testing Length Ø 200mm Twin Wall Insulated Chimney Flue is meticulously designed for use with solid fuel and gas/oil appliances, including woodstoves, gas coal effect fires, and boilers. Crafted with precision, the outer skin is constructed from durable 304 grade stainless steel, while the inner skin utilizes 316 grade stainless steel, both 0.4mm thick. The flue is insulated with high-density compressed rockwool at 200kg/m³, ensuring maximum safety and efficiency.Noteworthy for its practical test point and built-in cap, this flue allows for safe and convenient collection of gas and draft samples.

Installation is straightforward with the use of a locking band to secure all parts together. It is crucial to maintain a 50mm distance from any combustible materials such as wood or plasterboard.TWPro Chimney Flues are HETAS approved and CE marked, complying with the following designations: EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 W V2 L50040 O20.

SKU: 2-200-019

Technical Specifications
Dimensions500mm Testing Length x 200mm u00d8
Inner Material316L Stainless Steel (0.40mm thick)
Outer Material304 Stainless Steel (0.40mm thick)
InsulationHigh-density compressed rockwool (200kg/mu00b3)
ApprovalsHETAS / CE, EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 W V2 L50040 O20
Appliance CompatibilitySolid fuel, woodstoves, gas/oil appliances, gas coal effect fires, oil boilers
Installation ClearanceMinimum 50mm from combustible materials
ClosureBuilt-in test point and cap for safe sampling
Securing MethodLocking band for secure assembly
When installing the 500mm Testing Length Ø 200mm Twin Wall Insulated Chimney Flue, it is essential to maintain a minimum clearance of 50mm from any combustible material, such as wood or plasterboard. Begin by ensuring that all components are intact and free from damage. The flue sections are designed to be easily connected using the included locking band, which provides a secure and durable fit. Always adhere to local building codes and manufacturer guidelines during installation. Regular inspections are recommended to check for any signs of wear or potential blockages, ensuring the system remains safe and effective over time. Should you encounter any difficulties during the installation process, consult a certified installer for professional advice.

This flue is suitable for solid fuel and gas/oil appliances, including woodstoves, gas coal effect fires, oil boilers, and any other solid fuel appliances.

The outer skin is made from 304 grade stainless steel, and the inner skin is made from 316 grade stainless steel. Both are 0.4mm thick, ensuring durability and performance.

The flue is insulated with compressed rockwool, providing a high density of 200kg/m³ for optimal thermal efficiency and safety.

Yes, the TWPro Twin Wall Insulated Chimney Flue is HETAS approved and CE marked. It complies with EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 W V2 L50040 O20 standards.

A minimum distance of 50mm should be maintained from the outer surface of the flue to any combustible materials, such as wood or plasterboard.

The parts of this Twin Wall Insulated Chimney are secured together using a locking band, ensuring a secure and easy installation.

The built-in test point and cap allow for safe and efficient collection of gas and draft samples, ensuring the performance and safety of the flue.

Your recently viewed products:

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