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Discover National Flues' Sflue Adjustable Chimney Pipe, a state-of-the-art solution for chimney installations. This premium adjustable pipe, crafted from high-quality 304 and 316 grade stainless steel, is designed for solid fuel appliances and gas units alike. With its telescopic adjustable length, robust construction, and top-notch rockwool insulation, this chimney flue component is engineered to ensure superior thermal efficiency and safety. Ideal for a range of heating systems, our adjustable chimney pipe combines innovation with reliability, making it the perfect choice for homeowners and professionals seeking optimal performance.
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In Stock
£172.49
with free delivery
Give us a call if you find it cheaper and we'll try to price match.
At a Glance
Telescopic adjustable length (350-530mm) for a perfect fit
Outer 304 & inner 316 stainless steel construction for enduring performance
HETAS approved and CE marked for safety and reliability
Secure 8-barbed twist-lock system with locking band assembly
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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 Sflue Adjustable Pipe 350-530mm (2141206) is designed to cater to the varied requirements of solid fuel and gas appliances, including woodstoves, gas coal-effect fires, oil, and gas boilers. Constructed with 304 grade stainless steel for the outer skin and 316 grade stainless steel for the inner skin, both measuring 0.4mm in thickness, this chimney pipe excels in durability and reliability. The compressed rockwool insulation has a density of 230kg/m³ and is securely encapsulated within the twist-lock couplers.
Fully laser welded, it ensures a strong and long-lasting build. With a safe installation distance of 50mm from combustibles, the Sflue Adjustable Pipe is both HETAS approved and CE marked, boasting the designation number EN1856-1 T450 N1 D V2 L50040 G50. It features an 8-barbed twist-lock system with secure Locking Band assembly, ensuring safe and efficient construction.
Ideal for any installation where standard pipe lengths fall short, this adjustable pipe is a versatile addition to your chimney flue system.
SKU: 22-150-015
Technical Specifications
SKU
22-150-015
Adjustable Length
350-530mm
Diameter
152mm
Outer Material
304 Stainless Steel (0.40mm thick)
Inner Material
316 Stainless Steel (0.40mm thick)
Insulation
Compressed Rockwool (230kg/mu00b3)
Approvals
HETAS, CE
Installation Distance
50mm from combustibles
Designation
EN1856-1 T450 N1 D V2 L50040 G50
System
Sflue
Warranty
15 Years
Before installation, ensure that your chimney layout provides a minimum clearance of 50mm from any combustible materials. Begin by laying out all components and verify that each section is free from damage. Assemble the pipe by connecting the sections using the provided 8-barbed twist-lock couplers, ensuring each piece securely clicks into place. Once assembled, tighten the locking band assembly to secure the connection. Always double-check that the insulation is correctly positioned within the couplers to maintain optimal thermal performance. For best results and to adhere to safety standards, follow the manufacturer’s installation instructions and consult a certified installer if you are unsure about any step.
The Sflue Adjustable Pipe features an outer skin made from 304 grade stainless steel and an inner skin made from 316 grade stainless steel, both 0.4mm thick.
Yes, it is suitable for solid fuel, gas, and oil appliances, including woodstoves, gas coal-effect fires, and oil and gas boilers.
The pipe is insulated with compressed rockwool, which has a density of 230kg/m³, providing excellent heat resistance and safety.
This product is HETAS approved and CE marked, ensuring it meets stringent safety and performance standards.
Maintaining a 50mm distance from combustibles such as wood and plasterboard prevents the risk of fire hazards and ensures safe operation of your chimney system.
The pipe uses an 8-barbed twist-lock system with couplers and is secured with a Locking Band for safe and efficient installation.
Yes, the pipe’s telescopic adjustable length enables you to adapt it to various installation requirements, and it comes with insulating material to ensure a perfect fit and optimal performance.
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 it comes to ensuring your home’s heating system is safe and efficient, every component plays a crucial role. The Sflue Adjustable Pipe by National Flues is a product designed with both the installer and homeowner in mind. Combining impressive adjustability with robust construction, this pipe is an indispensable component for anyone looking to upgrade their chimney system. This guide will provide a detailed look at the product, addressing common questions and concerns, and explaining why this adjustable pipe is the ideal choice for modern installations.
Unmatched Quality and Durability
The Sflue Adjustable Pipe is expertly manufactured using a dual-layer construction. The outer skin is made from 304 grade stainless steel, while the inner layer utilises 316 grade stainless steel, each with a thickness of 0.40mm. These materials are selected for their ability to withstand the harsh conditions typical of chimney operations, such as high temperatures and corrosive environments. Durability and longevity are at the heart of this design, ensuring that the pipe will continue to function safely over many years of service.
Exceptional Flexibility for Seamless Installation
Unlike standard chimney pipes that come in fixed lengths, the adjustable design of this pipe offers a range from 350mm to 530mm. This flexibility means that whether you have a small or a large installation challenge, the Sflue Adjustable Pipe can adapt to your needs. Particularly in cases where standard lengths fall short, this telescopic feature eliminates the need for expensive custom modifications. It ensures a snug, reliable fit that enhances performance and reduces the potential for air leaks or improper installation.
Superior Insulation and Safety Features
Safety is a paramount consideration in any chimney installation. The Sflue Adjustable Pipe incorporates compressed rockwool insulation with a density of 230kg/m³, optimising heat retention while safeguarding surrounding areas from excessive temperatures. The insulation works in tandem with the secure twist-lock couplers, which use an 8-barbed system and a locking band assembly to create a robust, leak-proof connection. Maintaining the essential 50mm clearance from combustible materials further ensures that your installation remains safe and effective under all operating conditions.
Detailed Technical Specifications
For those who appreciate technical details, the Sflue Adjustable Pipe does not disappoint. The pipe’s specifications include:
- A telescopic length adjustment from 350mm to 530mm, providing versatile installation options
- Dual stainless-steel construction (304 for the outer layer and 316 for the inner layer) for superior strength and resistance
- A high-quality rockwool insulation that effectively manages thermal performance
- Certification by HETAS and CE, validating its adherence to strict safety standards
Understanding these specifications helps you make an informed decision while ensuring that the product meets the rigorous demands of modern heating systems.
Step-by-Step Installation Guidance
Installing the Sflue Adjustable Pipe is straightforward, but proper care is essential. Begin by checking that the installation area has the required 50mm clearance from any combustible surfaces. Arrange all components in a clear workspace. Connect the sections using the twist-lock couplers, ensuring that each connection is secure. The 8-barbed twist-lock system is designed to snap easily into place, but careful attention during assembly will prevent any misalignment. Once connected, fasten the locking band assembly tightly to maintain the integrity of the installation. If you encounter any difficulties or uncertainties during the process, it is always wise to consult a professional installer to ensure that all safety standards are met.
Addressing Common Concerns
Many customers initially question whether an adjustable pipe can match the reliability of fixed options. The engineering behind the Sflue Adjustable Pipe ensures just that; its design is robust enough to offer the same, if not better, durability compared to standard pipes. Some may worry about the long-term performance of the adjustable mechanism, but the precision manufacturing and high-quality materials used completely allay these concerns. Additionally, the product’s compliance with HETAS and CE regulations provides proof of its ability to perform safely under various conditions. Whether you are concerned about installation complexities or long-term maintenance, every aspect of this product is backed by rigorous quality controls and industry-approved standards.
Why Choose National Flues?
National Flues has built a reputation on quality, reliability, and exceptional customer service. With years of experience serving both retail and trade customers, the company understands the unique needs of every installation. By choosing the Sflue Adjustable Pipe, you are not only investing in a top-notch product but also benefiting from the steadfast support and technical expertise of National Flues. Their commitment to excellence means you can rely on comprehensive support, from detailed installation instructions to swift customer service if the need arises.
Final Thoughts
The Sflue Adjustable Pipe offers a combination of groundbreaking design, versatile installation, and uncompromising safety standards. Its innovative adjustable length, high-grade stainless-steel construction, and superior rockwool insulation make it a smart investment for any chimney system. This product is especially well-suited for situations where traditional pipe lengths are inadequate, ensuring that you achieve a perfect installation without compromise.
By addressing key challenges such as material longevity, installation adaptability, and safety, the Sflue Adjustable Pipe is set apart as a leader in chimney solutions. It not only meets the demands of contemporary heating systems but does so with an emphasis on quality and simplicity. With National Flues at your side, you gain access to a product that truly understands the balance required between performance, safety, and ease of use.
Choose the Sflue Adjustable Pipe for a secure, efficient, and adaptable chimney installation. Add to cart now or call 01670 206 999.
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