Pipe 500mm Ø 175
At a Glance
- Premium 316L inner / 304 outer stainless steel construction
- Designed for solid fuel, gas, and oil appliances
- HETAS and CE certified for guaranteed safety and performance
- Compressed rockwool insulation (200kg/m3) for optimal thermal efficiency
- Fully welded design ensuring a secure, long-lasting installation with a 50mm clearance from combustibles

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]
- Info
- Specs
- Install
- FAQs
Our Pipe 500mm Ø 175 is a premium component of the TWPro 175mm (7-inch) chimney flue system. Designed for solid fuel, gas, and oil appliances, it's perfect for wood stoves, gas coal effect fires, and boilers. Constructed with an outer skin of 304-grade stainless steel and an inner skin of 316-grade stainless steel, both 0.4mm thick, this pipe assures durability and resistance to high temperatures.
The insulation comprises compressed rockwool, offering a density of 200kg/m3, ensuring optimal efficiency and safety. Certified and CE marked, this pipe meets EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 W V2 L50040 O20 standards, making it a reliable choice for various applications. Installation is straightforward, with all parts fully welded and a necessary 50mm gap from combustibles maintained for safety.
SKU: 2-175-011
Technical Specifications | |
---|---|
Product Name | Pipe 500mm u00d8 175 |
Dimensions | 500mm effective length (465mm installed length), u00d8 175mm |
Inner Material | 316L Stainless Steel (0.40mm thick) |
Outer Material | 304 Stainless Steel (0.40mm thick) |
Insulation | Compressed Rockwool (200kg/m3) |
Certifications | HETAS, CE |
Standards | EN1856-1 T600 N1 W V2 L50040 G50, EN1856-1 T200 W V2 L50040 O20 |
Application | For solid fuel, gas, and oil appliances (woodstoves, boilers, gas coal effect fires) |
Installation Clearance | Minimum 50mm from combustibles |
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, April 8th. 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. If you find it cheaper within 48 hours, we'll refund the difference.
Compatible and other products that may be of interest...
National Flues Ltd Verdict
At National Flues, we pride ourselves on delivering top-notch products, and our 500mm Ø 175 Pipe is no exception. With its robust construction and HETAS approval, you can trust this product for reliable performance. Plus, we offer nationwide delivery and cater to both retail and trade customers.
This product is designed to be used in chimney flue systems for solid fuel, gas, and oil appliances, ensuring safe and efficient ventilation.
National Flues is a trusted supplier of high-quality fireplaces and flues across the UK. Known for unbeatable prices and reliable delivery, we cater to both retail and trade customers, offering secure online payments and excellent customer service.
