We use cookies to ensure a smooth, secure, and ever-improving experience on our website. By continuing to browse, you agree to our use of cookies as detailed in our Cookie Policy. Enjoy your visit and let us now if you need any help!
Cookie Preferences
We use different types of cookies for various purposes. Please select which you allow:
Testing Length 500mm Ø 175 (2-175-019)
The TWPro Chimney Flue, Testing Length 500mm Ø 175, is engineered for excellence with superior twin wall insulation, making it the ideal choice for solid fuel, gas, and oil appliance systems. Combining durability with reliable performance, this flue provides a safe and efficient solution for your chimney needs while delivering the benefits of high-quality stainless steel construction and a user-friendly design.
Hover to Zoom / Click for Gallery
Low Stock! – Order Now
£94.99
Give us a call if you find it cheaper and we'll try to price match.
At a Glance
500mm testing length for optimal system performance
Suitable for solid fuel, gas, and oil appliances
Dual stainless steel construction (304 outer, 316L inner) for durability
Built-in test point and cap for easy gas and draft sample collection
HETAS approved and CE marked for superior safety
×
Email Product
Enter your email address to send the product details:
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.
The 500mm Testing Length Ø175 TWPro Twin Wall Insulated Chimney Flue is designed for solid fuel, gas, and oil appliances, such as woodstoves, gas-coal effect fires, and boilers. Featuring a test point and cap for easy gas and draft sample collection, this flue ensures safe operation and maintenance.Built with high-quality materials, the outer skin is crafted from 304-grade stainless steel (0.4mm thick), while the inner skin uses 316-grade stainless steel (0.4mm thick). Insulated with compressed rockwool at a density of 200kg/m³, the flue maintains optimal temperature and safety standards.
All components are fully welded for durability, and the flue requires a 50mm clearance from any combustible materials like wood or plasterboard.TWPro is HETAS approved and CE marked, meeting the highest safety and quality standards. Easy to install, the components secure together with a locking band, providing a reliable fit for any chimney system.
SKU: 2-175-019
Technical Specifications
Testing Length
500mm
Internal Diameter
175mm
Outer Material
304 Stainless Steel (0.40mm thick)
Inner Material
316L Stainless Steel (0.40mm thick)
Insulation
Compressed Rockwool, 200kg/mu00b3
Appliance Compatibility
Wood, Oil, Gas, Low sulphur coal
Approvals
HETAS, CE
Clearance
50mm from combustible materials
Ensure a minimum 50mm clearance from all combustible materials when installing the flue. Secure each component using the locking band for a robust, tamper-resistant fit. Follow the manufacturer’s guidelines carefully, and utilise the built-in test point and cap for regular gas and draft sampling. Always consult a professional installer if you are unfamiliar with flue installation procedures to guarantee safety and compliance with industry standards.
This flue is compatible with solid fuel, gas, and oil appliances, including woodstoves, gas-coal effect fires, and boilers.
The outer skin is made from 304-grade stainless steel (0.4mm thick) and the inner skin from 316-grade stainless steel (0.4mm thick). The insulation is compressed rockwool with a density of 200kg/m³.
Yes, the TWPro 500mm Testing Length Ø175 Chimney Flue is HETAS approved and CE marked.
The flue parts are secured together using a locking band. Ensure a 50mm clearance from the outside of the flue to any combustible materials.
You must maintain a 50mm clearance from the outer surface of the flue to any combustible materials like wood or plasterboard.
This flue meets the EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 W V2 L50040 O20 standards.
The test point and cap allow safe and efficient entry into the flue for testing gas and draft samples, ensuring optimal performance and safety.
Delivery Information +
We work relentlessly to ensure you get your order fast.
Estimated delivery for this product is Wednesday, April 30th. Delivery times of products not in our warehouses depend on product availability and shipping. If you need a definitive delivery time give us a call.
If you need faster stove or fireplace delivery please also 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. 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.
When it comes to choosing the right chimney flue, the TWPro 500mm Testing Length Ø 175 model stands out as a premium option that combines durability, efficiency, and exceptional safety standards. Crafted with both the trade and retail customers in mind, this dual stainless steel flue is designed to meet the rigorous demands of modern solid fuel, gas, and oil appliances.
Why Choose the TWPro Chimney Flue?
Quality Materials: The TWPro Chimney Flue is made using a 304-grade stainless steel outer skin and a 316L-grade stainless steel inner skin. These robust materials not only provide excellent resistance to corrosion but also ensure a long service life. This is crucial for maintaining the integrity of your chimney system over many years of use.
Twin Wall Insulation: The flue incorporates twin wall insulation, utilising compressed rockwool at a density of 200kg/m³. This insulation is essential for maintaining optimal temperatures, reducing heat loss, and ensuring that the flue operates at maximum efficiency. A well-insulated flue also helps in preventing any potential hazards related to heat transfer to surrounding combustible materials.
Safety and Compliance: Safety is a key feature in every aspect of the TWPro design. With a mandatory clearance of 50mm from combustible materials and compliance with HETAS and CE standards, you can be confident that this flue meets strict regulatory requirements. The built-in test point and cap further enhance safety by allowing for straightforward gas and draft sampling, ensuring that any issues can be identified and addressed promptly.
Key Features and Their Benefits
- Durable Construction: The superior aluminium and stainless steel materials mean the flue is built to last. This not only reduces the need for frequent replacements but also guarantees that your installation remains safe and reliable over time.
- Efficient Insulation: The twin wall insulated design maximises the retention of heat within the flue. This helps in maintaining stable operating temperatures and reduces energy loss, which can lead to better fuel efficiency in your heating system.
- Easy Maintenance: The integrated test point and cap allow for easy monitoring of gas and draft conditions. Regular checks can help detect any issues early, potentially saving you significant time and money on maintenance repairs down the line.
- Simple Assembly: The flue components secure together with a locking band, which makes the installation process both straightforward and secure. This ease of assembly can be particularly advantageous for DIY enthusiasts or professionals looking for a reliable installation solution.
Considerations Before Purchase
Before installing any chimney flue, it is important to assess your current heating appliance and chimney system requirements. The TWPro Chimney Flue is suitable for a range of appliances including woodstoves, boilers, and gas-coal effect fires. However, ensure that the dimensions and compatibility align with your specific needs. If you are unsure, consulting with a professional installer or your supplier can provide the necessary guidance to ensure a safe, compliant installation.
Installation Guidelines
Proper installation is key to ensuring the performance and safety of your chimney system. Some important steps include:
• Ensuring the correct clearance of 50mm from combustible materials such as wood or plasterboard.
• Using the locking band to secure components firmly.
• Making use of the test point for regular gas and draft sampling checks to ensure continuous safe operation.
• Following any local building regulations and manufacturer guidelines to afford additional assurance of compliance.
These installation practices are designed to maximise both the efficiency of your system and your overall safety, providing peace of mind that your heating appliance is operating with optimal performance.
Addressing Common Objections
Some potential concerns when considering a chimney flue installation include the complexity of installation and long-term maintenance. The TWPro Chimney Flue addresses these issues by offering a user-friendly design that simplifies setup. Its straightforward locking band mechanism means that even users with limited DIY experience can confidently carry out the installation process. Furthermore, the ease of routine maintenance afforded by the test point & cap ensures that upkeep is both quick and hassle-free.
Another common question pertains to durability. With its high-grade stainless steel construction and robust insulation, this flue is designed to withstand harsh weather conditions and the rigours of regular use, effectively reducing the need for frequent replacements or extensive repairs.
Final Thoughts
Investing in a high-quality chimney flue is critical for ensuring the safety, efficiency, and longevity of your heating system. The TWPro 500mm Testing Length Ø 175 Chimney Flue is a testament to exceptional craftsmanship and thoughtful engineering, designed to meet the demands of modern heating appliances while providing reliable, long-lasting performance. By choosing this flue, you are not only investing in a product that meets stringent safety standards but also ensuring a superior level of performance and peace of mind for years to come.
For those seeking a reliable, efficient, and safe chimney system component, the TWPro Chimney Flue is an ideal choice that integrates top-tier materials, innovative design, and compliance with industry standards. It offers the perfect blend of quality, ease of installation, and long-term efficiency, making it highly suitable for both residential and commercial settings.
Experience the difference of a professionally engineered chimney system that prioritises safety, durability, and performance. Boldly enhance your home's heating solution with the TWPro Chimney Flue, an investment that is as pragmatic as it is essential.
buy now or call 01670 206 999.
Compatible and other products that may be of interest...