Testing Length 500mm Ø 175 (2-175-019)
What it’s for
Full features & benefits
- Premium 304 and 316L stainless steel components provide outstanding durability and resistance to corrosion, ensuring a long service life
- Twin wall insulation with compressed rockwool (200kg/m³) maintains optimal flue temperatures for enhanced safety and efficiency
- The integrated test point and cap simplify routine maintenance checks, allowing for proactive safety monitoring
- Secure locking band assembly facilitates a straightforward, low-maintenance installation process
- Compliant with a 50mm clearance from combustible materials, minimising risk and ensuring safe operational standards
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Fast deliveryMonday, November 17th*
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Best PriceCall us to beat any price you found online.
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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
- Twin wall insulated design ensures thermal efficiency
- Built-in test point and cap for easy gas and draft sample collection
- HETAS approved and CE marked for superior safety
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
- Details
- Specs
- Install/Packs
- FAQs
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
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.
This is us — real advice over the phone, or at the counter, and real stock in our warehouse.
| 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/m³ |
| Appliance Compatibility | Wood, Oil, Gas, Low sulphur coal |
| Approvals | HETAS, CE |
| Clearance | 50mm from combustible materials |