TWPro GREY - Adjustable Pipe 250-350mm - Ø 125
At a Glance
- - Adjustable length: 250-350mm
- - Constructed with high-quality 316L inner and 304 outer stainless steel (0.40mm thick)
- - Compressed rockwool insulation with a density of 200kg/m³ for optimal efficiency
- - HETAS approved and CE marked for trusted safety standards
- - Integrated locking band for a secure, screw-free installation

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 250-350mm (Ø 125mm) is a versatile and reliable option for a wide range of heating appliances, including woodstoves, gas coal effect fires, oil, and gas boilers, and any solid fuel appliances. Constructed with a 304 grade stainless steel outer skin and a 316 grade stainless steel inner skin, each 0.4mm thick, this pipe ensures durability and performance. The pipe is insulated with compressed rockwool, achieving a density of 200kg/m³ for optimal safety and efficiency.
All parts are fully welded, and the product is HETAS approved and CE marked, ensuring it meets stringent quality and safety standards. With an adjustable length of 250mm to 350mm, this pipe is ideal for a range of installations, making it a flexible solution for your heating needs. The TWPro GREY Adjustable Pipe also maintains a safe distance of 50mm from combustibles, offering peace of mind along with its robust performance.
SKU: 17-125-016
Technical Specifications | |
---|---|
SKU | 17-125-016 |
Adjustable Length | 250-350mm |
Pipe Diameter | u00d8125mm |
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 from combustibles |
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
At National Flues, we highly recommend the TWPro GREY Adjustable Pipe. It’s versatile, robust, and perfect for both retail and trade customers nationwide. Our reliable delivery service ensures you get your products on time, every time.
The TWPro GREY Adjustable Pipe is designed for secure and efficient integration with solid fuel and gas/oil heating appliances, ensuring optimal performance and safety.
National Flues is a leading supplier of fireplaces and flues across the UK, renowned for competitive pricing and reliable delivery. Catering to both retail and trade customers, National Flues offers secure online payments and trade accounts for convenient, efficient service.
