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Upgrade your chimney system with the TWPro Grey Adjustable Pipe from National Flues. This high-performance flue, crafted with dual-layer stainless steel and superior insulation, is an ideal solution for woodstoves, gas, and oil appliances. With its adjustable design, ease of installation, and compliance with strict UK safety standards, this product stands as a benchmark in modern flue systems, offering excellent thermal efficiency and safety for your home.
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£116.49
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At a Glance
Adjustable length (350-500mm) for customised fit
Ø125mm diameter ideal for various appliance types
Dual-layer stainless steel construction (inner 316L, outer 304 grade, both 0.40mm thick)
Compressed rock wool insulation (200kg/m³) for superior thermal performance
HETAS approved and CE marked for reliability and safety
Locking band mechanism ensures tool-free, secure installation
Minimal safe distance of 50mm to combustibles
Versatile installation suitable for wood, oil, gas, and low sulphur coal appliances
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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.
The TWPro Grey Adjustable Pipe (350-500mm, Ø 125mm) offers unmatched versatility and quality for your flue system needs. Specifically designed for use with solid fuel, gas, and oil appliances, this adjustable pipe is ideal for woodstoves, gas coal effect fires, and boilers. The outer skin is crafted from 304-grade stainless steel with a thickness of 0.4mm, while the inner skin utilizes 316-grade stainless steel, also 0.4mm thick.
These materials ensure durability and resistance to high temperatures. The insulation features compressed rock wool with a density of 200kg/m3, delivering superior thermal performance. With a safe distance to combustibles of just 50mm, this pipe is both efficient and safe.
Fully welded for added strength, the TWPro pipe is HETAS approved and CE marked, meeting stringent quality standards. It's also compliant with designations EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 W V2 L50040 O20. Installation is straightforward, thanks to the locking band mechanism, which eliminates the need for screws and ensures a secure fit.
SKU: 17-125-015
Technical Specifications
Product Name
TWPro Grey Adjustable Pipe 350-500mm, u00d8125mm
Adjustable Length
350mm to 500mm
Diameter
125mm
Inner Material
316L Stainless Steel, 0.40mm thick
Outer Material
304 Stainless Steel, 0.40mm thick
Insulation
Compressed Rock Wool, 200kg/mu00b3
Safety Clearance
50mm
Approvals
HETAS / CE
Designations
EN1856-1 T600 N1 W V2 L50040 G50 & EN1856-1 T200 W V2 L50040 O20
Suitable Fuels
Wood, Oil, Gas, Low sulphur coal
Installation is straightforward with the TWPro Grey Adjustable Pipe. First, measure the required length between your appliance and chimney outlet, ensuring the total length falls within the 350-500mm range. Secure the pipe using its innovative locking band mechanism which eliminates the dependence on screws and reduces installation time. Always maintain a safe clearance of at least 50mm from any combustibles, as specified in the installation manual. Before finalising the setup, double-check all connections for alignment and security. It is essential to follow the manufacturer’s safety guidelines during installation to ensure optimal performance and longevity.
The TWPro Grey Adjustable Pipe is suitable for solid fuel, gas, and oil appliances, including woodstoves, gas coal effect fires, and boilers.
The outer skin is made from 304-grade stainless steel, and the inner skin is made from 316-grade stainless steel. Both are 0.4mm thick. The insulation is compressed rockwool with a density of 200kg/m3.
Yes, the pipe is designed for easy installation using a locking band, which requires no screws and ensures a secure fit.
The safe distance to combustibles for the TWPro Grey Adjustable Pipe is 50mm.
Yes, the TWPro Grey Adjustable Pipe is HETAS approved and CE marked, meeting UK standards.
The TWPro Grey Adjustable Pipe complies with EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 W V2 L50040 O20 designations.
For specific warranty information, please refer to the supplier's terms and conditions or contact National Flues customer service.
Delivery Information +
We work relentlessly to ensure you get your order fast.
Estimated delivery for this product is Tuesday, April 29th.
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 on a retail basis. Give us a call if you find it cheaper and want to buy from us.
The TWPro Grey Adjustable Pipe is a premium flue solution designed for versatility and uncompromising performance. Manufactured by National Flues, a trusted name in the industry, this adjustable pipe is ideal for a variety of heating appliances including wood stoves, oil heaters, and gas boilers. With an adjustable length ranging from 350mm to 500mm and a robust Ø125mm diameter, it is engineered to meet the dynamic demands of modern heating systems.
Unmatched Quality and Versatility
Key Feature Highlights:
- Constructed with a dual-layer of stainless steel, with an inner layer of 316L and an outer layer of 304 grade, both 0.40mm thick. This ensures exceptional strength and long-lasting durability even under high temperatures.
- Equipped with compressed rock wool insulation at a density of 200kg/m³, the pipe provides superior thermal performance and efficiency.
- Designed with safety in mind, it features a minimal safe distance of only 50mm to combustibles, making it suitable for tight installations without compromising safety.
This flue pipe not only meets the requirements for various fuel types (wood, oil, gas, and low sulphur coal) but also sets a new standard in performance, making it a valuable addition to any heating system.
Technical Excellence
The TWPro Grey Adjustable Pipe has been meticulously engineered to comply with rigorous UK standards. It carries both HETAS approval and the CE mark, indicators of its high-quality construction and safety. The technical specifications have been carefully designed to ensure that the system functions seamlessly, providing an adjustable range that adapts to your unique installation needs. Detailed technical specifications include a 350-500mm adjustable length and a Ø125mm diameter, ensuring that this flue system is as flexible as it is effective.
Benefits of an Adjustable Design
One of the standout features of this flue pipe is its adjustable design. The ability to modify the length between 350mm and 500mm allows homeowners and professionals alike to easily adapt the pipe to various installation scenarios without the need for multiple products. This not only simplifies the installation process but also saves time and money on custom modifications. The flexibility of the TWPro Grey Adjustable Pipe means it can fit into challenging spaces while maintaining optimal performance.
Simplicity in Installation
Ease of Install: The product is designed with a locking band mechanism, which eliminates the need for traditional screws. This innovative approach to installation reduces the complexity of the setup, allowing for a faster, more efficient process. Simply measure the required length, adjust the pipe accordingly, and secure it using the locking mechanism. This tool-free installation process is particularly beneficial for those who prefer a DIY approach, as well as for professionals who value time-efficiency on-site.
Safety and Reliability
Safety is paramount in any flue installation, and the TWPro Grey Adjustable Pipe does not compromise on this front. With a safe clearance of 50mm to combustibles, and dual-layer construction for enhanced thermal insulation, the risk of overheating or fire hazards is significantly reduced. The product’s adherence to EN1856-1 designations further reinforces its suitability for regulated installations. National Flues has built a reputation for stringent quality control and reliability, ensuring that every product delivered is capable of meeting the highest safety standards.
Addressing Common Objections
Many customers have concerns about the longevity and ease of installation of adjustable flue systems. With the TWPro Grey Adjustable Pipe, there is no need to worry. The use of premium-grade stainless steel, combined with robust insulation, ensures that the product not only stands the test of time but also performs efficiently under strenuous conditions. Moreover, the locking band mechanism is designed to provide a secure fit without the hassle of additional tools or components, making it user-friendly for both novice installers and seasoned professionals.
Enhanced Customer Support and Service
At National Flues, customer satisfaction is of utmost importance. Detailed installation guides, comprehensive product support, and readily available customer service ensure that any queries or challenges during installation can be swiftly addressed. The team behind this product is always on hand to provide advice or assistance, further ensuring that your experience with the TWPro Grey Adjustable Pipe is seamless from purchase to installation.
Final Thoughts
Investing in the TWPro Grey Adjustable Pipe means investing in a product that is built for performance, reliability, and safety. Its innovative design caters to a wide range of installation scenarios, offering both flexibility and efficiency. Whether you are replacing an old system or designing a new one, this flue pipe provides the optimal balance of modern engineering and traditional reliability. Experience the difference in quality, efficiency, and peace of mind that comes with choosing National Flues.
Buy now or call 01670 206 999.
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