Adjustable Pipe 250-350mm Ø 150
At a Glance
- Adjustable length from 250mm to 350mm
- Durable 304 outer and 316L inner stainless steel construction (0.40mm thick)
- High-density compressed rockwool insulation (200kg/m3) for excellent thermal efficiency
- HETAS approved and CE marked for safety and compliance
- Quick and secure locking band installation – no screws required
- Versatile use with solid fuel, gas, oil, and low sulphur coal appliances
- Maintains a safe 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
The Adjustable Pipe 250-350mm Ø 150mm is an essential component for your chimney system, designed for solid fuel, gas, and oil appliances. This versatile pipe can be adjusted between 250mm and 350mm, making it ideal for various installation needs. Constructed with a 304 grade stainless steel outer skin and a 316 grade stainless steel inner skin, both 0.4mm thick, this pipe is built to last.
It features a high-density compressed rockwool insulation (200kg/m3), providing excellent thermal efficiency. Notably, the TWPro system is HETAS approved and CE marked, ensuring top-notch safety and compliance. Installation is a breeze with its locking band mechanism, eliminating the need for screws.
Remember to maintain a 50mm clearance from combustibles for optimal safety.
SKU: 2-150-016
Technical Specifications | |
---|---|
Adjustable Range | 250mm - 350mm |
Diameter | 150mm |
Inner Material | 316L Stainless Steel (0.40mm thick) |
Outer Material | 304 Stainless Steel (0.40mm thick) |
Insulation | High-density compressed rockwool (200kg/m3) |
Approval | HETAS / CE |
Minimum Clearance To Combustibles | 50mm |
System | TWPro |
Suitable Fuels | Wood, Oil, Gas, Low sulphur coal |
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 highly recommend the Adjustable Pipe 250-350mm Ø 150mm for its exceptional build quality and versatility. Whether you're in retail or trade, we've got you covered with reliable nationwide delivery.
This adjustable pipe is designed to connect solid fuel, gas, and oil appliances to a chimney flue system. Its adjustable length makes it ideal for various installation setups, ensuring a secure and efficient connection.
National Flues is a trusted supplier of high-quality fireplaces and flues, serving both retail and trade customers across the UK. Known for our competitive pricing and reliable delivery service, we offer a wide range of products to meet your heating and ventilation needs.
