Welcome to National Flues Ltd! We use cookies to power essential features and personalise your experience, ensuring a smooth, secure, and ever-improving journey on our website. Your privacy is our priority—cookies help us remember your preferences and enhance your visit without compromising your data. By continuing to browse, you agree to our use of cookies as detailed in our Cookie Policy. Enjoy your visit and thank you for choosing us!
Cookie Preferences
We use different types of cookies for various purposes. Please select which you allow:
The Sflue Black Adjustable Pipe Slip Section Ø 127mm (2143005B) from National Flues delivers high performance and reliable flexibility for solid fuel, woodstove, gas, oil, and low sulphur coal systems. Engineered with premium stainless steel and advanced insulation technology, this product is a top ... More...
The Sflue Black Adjustable Pipe Slip Section Ø 127mm (2143005B) from National Flues delivers high performance and reliable flexibility for solid fuel, woodstove, gas, oil, and low sulphur coal systems. Engineered with premium stainless steel and advanced insulation technology, this product is a top choice for those seeking both durability and compliance with safety standards. Search for complementary accessories to optimise your installation further. Less...
Hover to Zoom / Click for Gallery
In Stock
At a Glance
Versatile design for woodstoves, gas/oil boilers, and coal effect fires
Constructed with dual stainless steel skins (304 outer, 316L inner) for durability
0.4mm thickness ensures high performance and longevity
Insulated with high-density compressed rockwool (230kg/m³)
Secure 8-barbed twist-lock system with locking band for easy assembly
HETAS approved and CE marked with EN1856-1 T450 N1 D V2 L50040 G50 designation
Maintains a safe 50mm clearance from combustible materials
Now only
£135.49
Including VAT & Free Delivery
Buy with confidence. If you find this cheaper within 48 hours of checkout, we'll refund the difference.
×
Email Product
Enter your email address to send the product details:
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 Black Adjustable Pipe Slip Section Ø 127mm (2143005B) is engineered for versatility and strength, ideal for use with both solid fuel and gas/oil appliances. Whether installed in woodstoves, gas coal effect fires, or oil and gas boilers, this slip section pipe ensures optimal performance. Crafted from 304 and 316 grade stainless steel skins, with a 0.4mm thickness, and insulated using compressed rockwool, it maintains a density of 230kg/m3.
Encapsulated within twist-lock couplers and fully laser-welded, it guarantees durability and safety. Approved by HETAS and CE marked, it meets all required standards and comes with an EN1856-1 T450 N1 D V2 L50040 G50 designation number. It is crucial to maintain a 50mm distance from combustible materials for safe installation.
Easy assembly is facilitated by an 8-barbed twist lock system and a locking band for secure fitting.
SKU: 42-125-020
Technical Specifications
SKU
42-125-020
Model
Sflue Black Adjustable Pipe Slip Section - u00d8 127mm (2143005B)
15 Years manufacturing defect warranty, 2 Years paint warranty
Installation
Non-load-bearing; requires additional support component above when vertically applied
• Ensure the slip section is used solely to extend your flue system and is supported by a proper support component when installed vertically.
• Maintain a strict clearance of 50mm from any combustible materials such as wood or plasterboard to guarantee safety.
• Assemble using the 8-barbed twist lock system; ensure each connection is firmly secured with the locking band for optimal performance.
• Optional accessories like additional insulation kits, clamp bands, and supplementary support brackets are available and recommended for customised installations. Check our accessory range to fully equip your flue system.
• Always refer to the installation manual for detailed guidance and consult a professional if unsure.
It is compatible with solid fuel and gas/oil appliances including woodstoves, gas coal effect fires, oil, and gas boilers.
The outer skin is made of 304 grade stainless steel and the inner skin is 316 grade stainless steel, both at 0.4mm thickness, with insulation made from compressed rockwool.
Yes, it is HETAS approved and also CE marked.
The 8-barbed twist lock system allows for secure assembly of the chimney parts, which are further secured using a locking band.
Ensure a 50mm distance from any combustible materials like wood and plasterboard when installing.
No, it is designed to extend existing standard lengths and is not load bearing. Always use a support component directly above when applied vertically.
It carries the Designation Number EN1856-1 T450 N1 D V2 L50040 G50 and meets all CE marking requirements.
Delivery Information +
We work relentlessly to ensure you get your order fast.
Estimated delivery for this product is Friday, April 4th.
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...
Read our buyers guide for this Sflue Black (2143005B) - Slip Section Adj Pipe - Ø 127
Sflue Black Adjustable Pipe Slip Section Buyer’s Guide
Welcome to National Flues, your trusted supplier of high-quality chimney and flue solutions. If you are looking for a reliable method to extend your flue system, the Sflue Black Adjustable Pipe Slip Section Ø 127mm (2143005B) is an excellent choice. This guide covers everything you need to know about the product, including its features, benefits, installation steps, and optional accessories.
Product Overview
The Sflue Black Adjustable Pipe Slip Section is designed to provide additional length to your existing flue system when standard dimensions fall short. Engineered with robust materials, the slip section is constructed using dual layers of stainless steel – an inner layer consisting of 316L grade and an outer layer of 304 grade, both at a thickness of 0.4mm. This ensures excellent durability, resistance to high temperatures, and longevity. The high-density compressed rockwool (230kg/m³) insulation further contributes to its performance by minimising heat transfer and preventing energy loss.
Features and Benefits
Robust and Versatile Design
• The dual stainless steel construction offers superior corrosion resistance and structural integrity.
• Its design is compatible with a variety of heating appliances including woodstoves, gas, oil boilers, and low sulphur coal effect heaters.
Easy and Secure Installation
• The slip section is fitted with an 8-barbed twist lock system accompanied by a locking band, ensuring that the assembly is secure and simple to perform.
• This user-friendly design minimises installation errors and helps reduce the overall time and effort required during setup.
Compliance and Safety
• With strict adherence to industry standards, the product is HETAS approved and CE marked. It also carries the designation EN1856-1 T450 N1 D V2 L50040 G50, ensuring you meet regulatory safety requirements.
• A safe clearance of 50mm from combustible materials is mandated, adding an extra layer of protection during installation.
Installation Best Practices
Installing the slip section is straightforward, provided the correct procedures are followed. To ensure safety and efficacy, here are the recommended steps:
1. Preparation: Before starting, check that you have all the necessary components. This includes the slip section, the twist lock couplers, the locking band, and any optional accessories such as supplementary insulation kits or clamp bands to improve the setup.
2. Positioning: Place the slip section in line with the existing flue. Always maintain the required minimum distance of 50mm from any combustible materials. If you are uncertain about the support requirements, refer to the technical documentation or consult a servicing professional.
3. Assembly: Use the 8-barbed twist lock mechanism to link the section to the existing flue. Ensure each connection is tight and secure before proceeding. The locking band provides an extra measure of safety by firmly holding the sections together.
4. Final Check: Once installed, recheck all connections for stability. Optional accessories, such as additional clamp bands or customised support brackets, can further enhance the flue’s security and should be considered during installation.
Optional Accessories
For an optimised installation, you might want to consider looking into the range of optional accessories available. These additional items not only offer enhanced installation flexibility but also help ensure that your flue system remains efficient and safe. Accessories might include advanced insulation kits, extra locking bands, or even support brackets designed specifically for flue extension projects. Always search our catalogue for these enhancements to tailor a solution that best fits your unique requirements.
Frequently Asked Questions
What types of heating appliances are supported?
The slip section is designed for a variety of applications including woodstoves, gas and oil boilers, and coal effect heaters. Its versatile design ensures compatibility with numerous solid fuel systems.
How does the twist lock system enhance installation?
The 8-barbed twist lock system, combined with the locking band, simplifies the assembly process while ensuring that each component is securely fastened, thus reducing the risk of misalignment or accidental dislodgement.
Are there any additional steps I should take for safety?
Yes, it is vital to maintain a 50mm clearance from any combustible materials. Depending on your installation context, you might want to invest in optional accessories like clamp bands or support brackets to further secure the assembly.
Why Choose National Flues?
At National Flues, we pride ourselves on delivering high-quality products that combine performance with safety. The Sflue Black Adjustable Pipe Slip Section offers robust construction, easy installation, and compliance with industry standards such as HETAS and CE marking. Whether you are a professional installer or a DIY enthusiast, our products are engineered to provide the reliability you require.
Our extensive range of flue and chimney accessories means that you can fully customise your setup. Don’t overlook the optional accessories designed to complement and enhance your flue system. These can be essential in ensuring that your installation not only meets regulatory standards but also operates efficiently over the long term, providing you with peace of mind and optimal heating performance.
In summary, choosing the Sflue Black Adjustable Pipe Slip Section means opting for quality, safety, and versatility. We invite you to explore our comprehensive range of flue accessories and find the perfect additions to your installation. Each component is designed to integrate seamlessly, ensuring that your system is both efficient and secure.
Buy now or call 01670 206 999.
National Flues Ltd Verdict
The Sflue Black Adjustable Pipe Slip Section Ø 127mm stands out for its flexibility and robust construction, making it an excellent choice for a variety of heating appliances. At National Flues, we offer unbeatable prices and reliable nationwide delivery, catering to both retail and trade customers.
The Sflue Black Adjustable Pipe Slip Section Ø 127mm is used to extend the length of a flue system when standard lengths do not suffice. It is ideal for a range of heating appliances, offering flexibility and robust construction.
SFLue is known for its high-quality flue and chimney solutions, providing excellent performance and safety standards. Their products are trusted by professionals and DIY enthusiasts alike for their durability and ease of installation.
Secure your Sflue Black Adjustable Pipe Slip Section today for unmatched durability and efficiency – add to cart now or call 01670 206 999.
