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Pipe 250mm Ø 150 (2-150-012)
National Flues presents the Pipe 250mm Ø 150, a premium twin wall insulated chimney pipe engineered for optimal performance in solid fuel and gas/oil heating systems. This high-quality chimney flue pipe, recognised for its robust stainless steel construction and outstanding thermal insulation, is ideal for woodstoves, oil and gas boilers, and gas coal effect fires. With the assurance of HETAS approval and CE marking, National Flues remains committed to safety, quality, and reliable nationwide delivery.
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In Stock
£40.99
Give us a call if you find it cheaper and we'll try to price match.
At a Glance
HETAS Approved & CE Marked
316L inner and 304 outer stainless steel construction (0.40mm thick)
Compressed rockwool insulation at 200kg/m³ for superior thermal performance
Maintains a safe 50mm distance to combustibles
Easily secured with a Locking Band for a straightforward installation
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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 Ø Twin Wall Insulated Chimney Pipe from National Flues is designed for solid fuel and gas/oil appliances including woodstoves, gas coal effect fires, and oil and gas boilers. Featuring an outer skin of 304 grade stainless steel and an inner skin of 316 grade stainless steel, both 0.4mm thick, this pipe ensures longevity and resilience. The compressed rockwool insulation, with a density of 200kg/m³, guarantees top-notch thermal protection.
Our pipes are fully welded and HETAS Approved, carrying the CE mark for added assurance. Ideal for maintaining a safe 50mm distance to combustibles, the TWPro Twin Wall Insulated Chimney parts are easily secured with a Locking Band, making installation straightforward.
SKU: 2-150-012
Technical Specifications
SKU
2-150-012
Pipe Diameter
250mm u00d8 x 150
Inner Material
316L Stainless Steel - 0.40mm thick
Outer Material
304 Stainless Steel - 0.40mm thick
Insulation
Compressed Rockwool, 200kg/mu00b3
Approvals
HETAS / CE
Distance To Combustibles
50mm
Effective Installed Length
215mm
For a safe and secure installation, ensure that all TWPro Twin Wall Insulated Chimney parts are correctly aligned and firmly secured using the provided Locking Band. Maintain a minimum distance of 50mm from any combustible material, and strictly follow the manufacturer's guidelines. Before beginning the installation, check for a clear and unobstructed pathway along the chimney's route. If uncertain, consult a professional installer to guarantee compliance with local building regulations. Regular maintenance inspections are also recommended to ensure long-term performance and safety.
This chimney pipe is suitable for solid fuel appliances, gas coal effect fires, oil and gas boilers, and various woodstoves.
The outer skin is made from 304 grade stainless steel while the inner skin is made from 316 grade stainless steel, with both skins being 0.4mm thick.
Yes, the pipe is insulated with compressed rockwool at a density of 200kg/m³, providing excellent thermal insulation.
The TWPro Twin Wall Insulated Chimney parts should be secured together using a Locking Band. Ensure a minimum distance of 50mm from any combustible material.
The TWPro chimney pipe is HETAS Approved and CE marked, ensuring it meets high safety and performance standards.
You should maintain a distance of 50mm from the outside of the flue to any combustible material like wood or plasterboard.
Yes, the 250mm Ø Twin Wall Insulated Chimney Pipe is ideal for both new installations and replacing old components in existing systems.
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.
The Pipe 250mm Ø 150 by National Flues is a standout product for those seeking a reliable and safe solution for venting exhaust gases from solid fuel and gas/oil appliances. Its premium build and robust materials make it a perfect choice for woodstoves, oil and gas boilers, and other heating systems. This buyers guide will walk you through everything you need to know about selecting and installing this twin wall insulated chimney pipe, ensuring you are fully informed before making your purchase.
Product Overview
Designed with both quality and safety in mind, the Pipe 250mm Ø 150 features an innovative twin wall construction. The inner wall is crafted from 316L stainless steel, known for its high corrosion resistance, while the outer wall is made from 304 stainless steel, providing strength and durability. Each layer, at 0.40mm thickness, works together to ensure long-lasting performance. The compressed rockwool insulation, at a density of 200kg/m³, acts as a formidable barrier against heat loss, making the product ideal for systems where thermal efficiency is paramount.
Key Benefits
- Robust Construction: The fully welded design and high-grade materials ensure that the chimney pipe stands up to the rigours of demanding installations and harsh operating conditions.
- Safety First: With HETAS approval and CE marking, this product meets the strictest safety standards, allowing you to install your heating system with confidence.
- Enhanced Thermal Performance: The advanced insulation system significantly reduces heat loss, making your heating system more efficient and cost-effective.
- Ease of Installation: The inclusion of a Locking Band means the pipe sections are easily secured together, simplifying the installation process even for those with limited experience.
- Versatility: Suitable for a wide range of appliances, from woodstoves to oil and gas boilers, making it a flexible solution for many heating setups.
Technical Specifications
Understanding the product specifications is crucial. The pipe is designed to meet the demands of modern heating systems and adheres to rigorous safety standards. Every element, from the stainless steel components to the rockwool insulation, has been carefully selected to deliver top-tier performance and longevity. These detailed specs ensure that every installation adheres to safety norms while providing exceptional efficiency.
Installation Process
Preparation
Before beginning the installation, ensure that all necessary equipment and optional accessories are at hand. Check that you have a clear workspace, and prepare all tools required for securely fastening the pipe sections. It is important to read the installation manual thoroughly and follow the local building regulations.
Step-by-Step Installation
1. Inspection: Carefully inspect the pipe for any damages before installation. Ensure that all components are present and undamaged.
2. Alignment: Place the pipe sections in alignment. Ensure that the internal and external skins of the pipe are correctly oriented to maintain the dual-layer insulation integrity.
3. Securing: Fasten the sections with the Locking Band. This feature not only simplifies assembly but also ensures the entire system is robust and secure.
4. Distance Check: Always maintain a safe distance of 50mm from any combustible materials such as wood or plasterboard. This is crucial for fire prevention and optimal thermal efficiency.
5. Final Review: Once the installation is complete, perform a comprehensive check to confirm that all the parts are securely fixed and that the installation meets the required safety standards.
Safety Precautions
- Professional Consultation: If you are unfamiliar with the installation process, consider hiring a professional installer to avoid any potential health or fire hazards.
- Regular Maintenance: After installation, periodic inspections for any wear or corrosion are essential. Regular maintenance ensures long-term performance and safety, preventing hazardous situations.
Addressing Common Objections
Concern: Complexity of Installation
The Pipe 250mm Ø 150 is designed to be as user-friendly as possible. With clear installation instructions and the aid of the Locking Band, even firstly-time installers can achieve a professional finish. Optional accessories further simplify the process, making it a hassle-free experience.
Concern: Longevity and Durability
Constructed from premium grade stainless steel, both on the inside and out, this pipe is built to last. Its full-welded design guarantees that there will be no weak points, ensuring sustained performance over many years even under demanding conditions.
Concern: Cost versus Performance
While the initial investment might be higher compared to lower-grade options, the benefits in terms of safety, efficiency, and durability far outweigh any cost differences. The superior thermal efficiency can lead to long-term savings on energy bills, and the robust construction minimizes the need for frequent repairs or replacements.
Additional Accessories
If you are looking to optimise your installation further, consider exploring optional accessories such as chimney support brackets, additional insulation kits, and cleaning tools. These accessories complement the Pipe 250mm Ø 150, ensuring not only a secure installation but also prolonged operational efficiency. They are designed to integrate seamlessly, enhancing the overall system performance.
Conclusion
In summary, the Pipe 250mm Ø 150 from National Flues is more than just a chimney pipe – it is a comprehensive solution for safe, efficient, and long-lasting heating system installations. Engineered with high-grade stainless steel and advanced insulation, it guarantees superior performance and reliability. Whether you are upgrading an existing system or embarking on a new installation, this product is designed to meet and exceed your expectations. Its robust construction, ease of installation, and adherence to safety standards make it a compelling choice for both residential and commercial applications.
With clear guidance, robust technical specifications, and an emphasis on quality and safety, the Pipe 250mm Ø 150 stands out as a market leader in chimney flue solutions. It not only meets the regulatory demands but also provides value through enhanced energy efficiency and low maintenance. Consider all the benefits and optional accessories available to fully optimise your installation. Every detail, from the initial product inspection to regular maintenance checks, has been designed to provide you with peace of mind and a reliable heating solution.
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