TWPro GREY - Adjustable Pipe 500-880mm - Ø 125
At a Glance
- Adjustable length range: 500-880mm
- Robust dual-skin construction with 316L and 304 stainless steel
- High-density compressed rockwool insulation (200kg/m³)
- HETAS approved and CE marked for safety
- Versatile use for solid fuel and gas/oil appliances
- Secure Locking Band installation for a seamless finish

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
The TWPro GREY Adjustable Pipe 500-880mm - Ø 125mm is designed for use with solid fuel and gas/oil appliances such as woodstoves, gas coal effect fires, and oil and gas boilers. This versatile twin-wall insulated chimney flue pipe features both an outer and inner skin constructed from high-quality stainless steel—304 and 316 grades, respectively. Each skin is 0.4mm thick, ensuring robust durability and performance.
The pipe comes equipped with compressed rockwool insulation, delivering a density of 200kg/m3, which effectively maintains a safe operating temperature. With HETAS approval and CE marking, you can rest assured that this adjustable flue pipe meets stringent safety standards. Installation is straightforward—components are secured with a Locking Band, and maintaining a 50mm clearance from combustibles is essential.
This versatile and robust flue is designed for a broad range of applications, ensuring a safe and efficient flue system for your heating needs.
SKU: 17-125-014
Technical Specifications | |
---|---|
SKU | 17-125-014 |
Dimensions | Adjustable 500-880mm |
Diameter | u00d8 125mm |
Inner Material | 316L Stainless Steel (0.40mm thick) |
Outer Material | 304 Stainless Steel (0.40mm thick) |
Insulation | Compressed rockwool (200kg/mu00b3) |
Approvals | HETAS, CE |
Clearance | 50mm to combustibles |
Use | Solid fuel, oil and gas appliances |
Locking Mechanism | Locking Band securing components |
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Wednesday, April 2nd. 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
The TWPro GREY Adjustable Pipe is a top-notch choice for anyone in need of a reliable and adaptable flue system. With adjustable lengths and durable stainless steel construction, it's designed to meet the high standards of both our retail and trade customers. Plus, you can count on National Flues for reliable nationwide delivery. A market-leading option rarely beaten on price!
This adjustable chimney flue pipe is designed for use with solid fuel and gas/oil appliances, offering a flexible, safe, and efficient flue system.
National Flues is a trusted supplier of high-quality fireplaces and flue systems in the UK, serving both retail and trade customers with reliable delivery and competitive pricing. Secure online payments and dedicated trade accounts are available to meet all customer needs.
