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Pipe 250mm Ø 175 (2-175-012)
National Flues presents the premium 250mm TWPro Chimney Flue Pipe – an ideal solution for safely venting smoke and gases from a wide range of solid fuel, gas, and oil appliances. Crafted from high-grade stainless steel and featuring robust insulation, this flue pipe is engineered for durability, efficiency, and top-notch safety. Trust National Flues for your high-quality chimney flue systems and enjoy reliable, expert service from a respected UK supplier.
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£48.99
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At a Glance
250mm Diameter TWPro Chimney Flue Pipe
Suitable for solid fuel, gas and oil appliances
Dual stainless steel construction (316L inner, 304 outer) with 0.40mm thickness
Insulated with compressed rockwool (200kg/m³) for superior heat retention
HETAS Approved and CE marked for safety and compliance
Secure Locking Band system for quick and stable installation
Requires a 50mm clearance from combustible materials for safe operation
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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 250mm Diameter TWPro Chimney Flue Pipe is an exceptional choice for anyone needing a reliable flue system for solid fuel, gas, and oil appliances. Whether you're using a wood stove, gas coal-effect fire, or an oil/gas boiler, this flue pipe is designed to meet your needs. Made from robust 304 grade stainless steel for the outer skin and 316 grade stainless steel for the inner skin, each at 0.4mm thickness, this flue pipe offers superior durability.
The internal insulation of compressed rockwool has a density of 200kg/m3, ensuring excellent heat retention and safety. Approved by HETAS and CE marked, this pipe meets high safety and efficiency standards. All components are fully welded and secure easily using a Locking Band.
Remember to maintain a 50mm distance from any combustible material for safe installation.
SKU: 2-175-012
Technical Specifications
Dimensions
250mm Diameter, Nominal length 175mm with effective installed length of 215mm
• Ensure a minimum clearance of 50mm from any combustible material when installing the flue pipe.
• Each section must be securely connected using the provided Locking Band, following the manufacturer’s detailed guidelines.
• Check that all pipe joints are properly aligned and firmly fixed to prevent heat loss and potential safety hazards.
• Adhere strictly to local building codes and safety regulations. Professional installation is recommended to ensure optimal performance and compliance.
This flue pipe is suitable for a variety of appliances, including wood stoves, gas coal-effect fires, oil and gas boilers, and any solid fuel appliances.
The pipe features an outer skin made from 304 grade stainless steel and an inner skin made from 316 grade stainless steel, each with a thickness of 0.4mm.
Yes, the TWPro Chimney Flue Pipe is HETAS Approved and CE marked, ensuring it meets high standards for safety and efficiency.
The flue pipe uses compressed rockwool with a density of 200kg/m3 for insulation, which provides excellent heat retention and safety.
The TWPro Twin Wall Insulated Chimney parts should be secured together using a Locking Band. Ensure a 50mm distance from the flue's exterior to any combustible material.
The 250mm Diameter TWPro Chimney Flue Pipe has an effective installed length of 215mm.
Yes, National Flues offers trade accounts alongside secure online payments for retail customers, making it easy for both to benefit from our reliable delivery service.
Delivery Information +
We work relentlessly to ensure you get your order fast.
Estimated delivery for this product is Wednesday, April 30th.
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.
When investing in a chimney flue system, it is essential to consider both performance and safety. The 250mm TWPro Chimney Flue Pipe by National Flues is engineered to provide reliable, long-term performance while meeting rigorous safety standards. Whether you are installing a new system or replacing an existing one, this guide will help you understand the benefits, installation practices, and additional accessories that may be required for a complete and efficient setup.
Product Overview
The 250mm TWPro Chimney Flue Pipe is specifically designed for use with a variety of appliances including solid fuel, gas, and oil-fired systems. Constructed with a dual-layer of stainless steel—the inner layer being 316L and the outer layer 304, both at a thickness of 0.40mm—this flue pipe offers exceptional durability and resistance to corrosion. Its effective insulation is provided by compressed rockwool with a density of 200kg/m³, ensuring superior heat retention and energy efficiency.
Key Benefits
• Durability and Reliability: With its high-quality stainless steel construction, this flue pipe is built to last in even the most demanding environments. The twin-wall design not only offers structural integrity but also significantly reduces the risk of deformation under high temperatures.
• Enhanced Safety: Safety is a critical consideration in any flue system installation. The product is HETAS Approved and CE marked, meaning that you can be confident it complies with stringent UK safety standards. Additionally, the required 50mm clearance from combustibles further contributes to a safer home environment.
• Ease of Installation: The innovative Locking Band system simplifies the assembly process, ensuring that each section of the pipe is securely connected. This design minimizes installation time and reduces the potential for assembly errors, making it a preferred choice for both DIY enthusiasts and professional installers.
• Versatile Usage: Whether your heating needs are met by a wood stove, a gas coal-effect fire, or an oil/gas boiler, this flue pipe adapts seamlessly to various fuel types, providing a versatile solution for modern homes.
Installation and Accessories
Proper installation is vital to the performance and safety of the chimney system. National Flues recommends always maintaining a 50mm gap from any combustible surface during installation. The Locking Band system not only contributes to the robustness of the connection but also facilitates maintenance and future inspections. In addition to the primary pipe, you may want to consider complementary accessories such as additional pipe sections, flashing kits, or chimney caps to enhance both functionality and aesthetics. These accessories are designed to work in harmony with the 250mm TWPro Chimney Flue Pipe, ensuring a cohesive and efficient setup.
Addressing Common Concerns
Q: Is the installation process complicated?
A: Not at all. Thanks to the Locking Band system, the installation is straightforward and user-friendly. Detailed instructions are provided with each unit, and professional support is available if needed.
Q: What if I have an older flue system?
A: The 250mm TWPro Chimney Flue Pipe is designed to integrate seamlessly with various systems. However, it is important to evaluate existing clearances and ensure compliance with current safety standards, particularly the recommended 50mm distancing from combustibles.
Q: Are there additional accessories available?
A: Yes, National Flues offers a range of optional accessories to complement your installation. These include extra pipe sections, securing bands, and finishing components that help create a complete, integrated venting solution for your property.
Making an Informed Decision
When choosing a chimney flue system, it is crucial to weigh factors such as durability, safety, and ease of installation. The comprehensive design of this flue pipe, including its dual stainless steel construction and efficient insulation, addresses all these aspects. Our product not only complies with industry-leading safety certifications but also promises to reduce maintenance issues over the years due to its robust build.
Furthermore, by opting for the 250mm TWPro Chimney Flue Pipe, you are investing in a system that offers long-term reliability combined with energy efficiency. The materials used and the careful design considerations ensure that your chimney system performs optimally throughout its life. Additional accessories and maintenance kits ensure that your installation remains future-proof and adaptable to any evolving needs.
Final Thoughts
In conclusion, the 250mm TWPro Chimney Flue Pipe by National Flues stands out as a top-quality product for anyone looking to upgrade their chimney system. It marries outstanding performance with exceptional safety features and is backed by trusted certifications and expert installation guidelines. With its simple yet effective assembly, this flue pipe provides a practical solution that meets both modern design standards and traditional reliability requirements.
For those who appreciate quality and long-term value, this flue pipe is an investment in both safety and efficiency. Take a moment to explore optional accessories that might further enhance your installation, ensuring it is both aesthetically pleasing and functionally superior. Embrace the peace of mind that comes with a product designed to uphold the rigours of everyday use while remaining compliant with all necessary safety standards.
Buy now or call 01670 206 999.
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