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100mm (4 inch) Flue Liner 316L for Gas and Oil 44m Coil (4Z-100-44)
National Flues proudly presents our high-quality 100mm flue liner crafted from premium 316L stainless steel. Ideal for relining masonry chimneys, this robust flue liner is engineered for gas and oil appliances, ensuring superior safety and efficiency. Trusted across the UK, our product complies with the highest standards, making it the first choice for both domestic and trade customers seeking reliable flue solutions.
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In Stock
£467.99
with free delivery
Give us a call if you find it cheaper and we'll try to price match.
At a Glance
High-grade 316L stainless steel construction
100mm (4-inch) diameter with a 44m coil length
Triplelock seam design with five convolutions per seam
Suitable for both gas and oil appliances
Kitemarked to BS 715 and CE approved under BS EN 1856:2
10 Year Conditional Warranty for confidence and durability
Optimised for relining masonry chimneys
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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.
This premium 100mm (4 inch) Flue Liner 316L for Gas and Oil in a 44m coil is perfect for relining masonry chimneys. Manufactured from high-grade 316L stainless steel with a thickness of 0.10mm, it boasts exceptional durability. Ideal for gas and oil-fired appliances with temperatures not exceeding 260°C, this liner ensures optimal performance and safety.
Its TRIPLELOCK seam offers unparalleled sealing, thanks to the three-fold seam construction and five convolutions between each seam, securing it to the highest standards. Kitemarked to BS 715 and approved to BS EN 1856:2, this flue liner guarantees robustness and reliability. The installation process is straightforward, always fitted from the top, ensuring ease of use and a secure fit.
Remember to annually maintain your flue liner to keep it in peak condition.
SKU: 4Z-100-44
Technical Specifications
SKU
4Z-100-44
Diameter
100mm (4 inch)
Coil Length
44m
Material
0.10mm 316L Grade Stainless Steel
Joint Method
Triplelock Seam
Designations
EN1856-2, T250, N1, D, V3, L50010, G
Fuel Type
Gas and Oil
Maximum Temperature
260u00b0C
Certification
Kitemarked to BS 715, CE Approved to BS EN 1856:2
Warranty
10 Year Conditional Warranty
Installation is straightforward and should always be performed from the top of the chimney. Begin by securing a piece of durable string to the Nose Cone. Attach the Nose Cone to the flue liner and carefully pull it down the chimney, ensuring the liner is evenly positioned throughout. Once in place, properly secure and seal the liner to prevent any potential leaks. It is crucial that chimneys serving gas and oil appliances are swept and maintained at least once a year. Always consult a professional if you're unsure about any step, and adhere to all safety guidelines during the installation process.
The flue liner has a diameter of 100mm (4 inches) and comes in a 44m coil.
It is made from 316L grade stainless steel, ensuring high durability and resistance to corrosion.
Yes, it is suitable for use on appliances fired by gas and oils up to 28 seconds, managing temperatures up to 260°C.
Yes, it is Kitemarked to BS 715 and approved according to BS EN 1856:2 standards.
Installation should be done from the top of the chimney. Secure a piece of string to the Nose Cone, attach the Nose Cone to the flue liner, and pull it down the chimney. Once in place, secure and seal as required.
It's recommended that chimneys serving gas and oil appliances be swept and maintained at least once a year.
The TRIPLELOCK seam is a robust design where the seam is folded in three planes, providing a superior seal and preventing leakage.
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.
Read our review in our 100mm (4 inch) Flue Liner 316L for Gas and Oil 44m Coil buyers guide
Your Comprehensive Guide to the Premium 316L Flue Liner for Gas and Oil
When it comes to ensuring the safety and efficiency of your heating system, selecting the right flue liner is critical. At National Flues, we understand the importance of quality and reliability in chimney maintenance. Our 100mm (4-inch) flue liner, available in a robust 44m coil, is expertly manufactured from high-grade 316L stainless steel, specifically designed to serve gas and oil appliances. In this detailed buyers guide, we will walk you through everything you need to know about this superior product.
Why Choose a 316L Stainless Steel Flue Liner?
Stainless steel is renowned for its strength and durability. The 316L grade, in particular, offers enhanced resistance to corrosion, making it especially suitable for the challenging environments that chimneys are exposed to. This flue liner is engineered to perform under the high temperatures generated by gas and oil appliances, up to 260°C. Additionally, the thin-walled 0.10mm gauge, combined with the robust Triplelock seam, guarantees a secure fit with minimal risk of leakage. These features make it a prime choice for those who demand both performance and safety.
Key Specifications and Their Benefits
It is important to consider the detailed specifications when selecting a flue liner. Our product offers a 100mm diameter, which is optimal for a range of chimney sizes, and comes in a substantial 44m coil, providing sufficient material to reline lengthy masonry chimneys. The innovative Triplelock seam design employs three separate folds, reinforced further by five convolutions between each seam, ensuring that the liner remains sealed tightly, preventing any exhaust or gases from escaping. This design not only enhances the safety of your heating system but also improves its overall efficiency.
Installation Made Simple
Installation of the flue liner is straightforward when you follow the proper steps. Begin by attaching a durable string to the Nose Cone, which serves as an anchor point during installation. The liner should then be carefully pulled from the top of your chimney, ensuring it is evenly distributed along the entire height. Once positioned, secure the liner and apply the necessary seals. Remember that while the installation process is designed for ease, adherence to safety protocols is paramount. It is advisable to engage a certified professional if you are unsure about any part of the procedure. Regular maintenance, including an annual cleaning, will ensure that your chimney continues to operate safely and efficiently.
Addressing Common Objections
Cost vs. Value: While the upfront investment in a premium 316L flue liner might be higher than some alternatives, consider the long-term value. The quality materials and robust construction mean fewer replacements and repairs, ultimately saving you money in the long run. Moreover, the safety enhancements provided by a secure, tightly sealed chimney reduce potential risks and associated costs.
Installation Concerns: Some homeowners might worry about the complexity of installing a new flue liner. Our design is user-friendly and engineered for a top-down installation process, designed to minimise complications. For those less comfortable with DIY projects, professional installers are readily available to ensure the job is done correctly and safely.
Durability and Maintenance: The 316L stainless steel construction, combined with the advanced Triplelock seam, provides outstanding durability. Regular maintenance—at least once a year—is all that is required to keep the system running optimally. This proactive approach not only extends the lifespan of your flue liner but also ensures a high level of performance over time.
Safety and Compliance: With certifications such as Kitemarking to BS 715 and CE approval under BS EN 1856:2, our flue liner meets some of the highest safety standards in the industry. This means you can have confidence in the product’s ability to handle the demands of gas and oil appliances while maintaining regulatory compliance.
Comprehensive Benefits for Homeowners and Tradespeople
- Optimised Performance: The flue liner is engineered to manage high temperatures, ensuring that gas and oil appliances operate efficiently and safely. This reliability is crucial for both residential homeowners and professional tradespeople who require consistent performance.
- Enhanced Safety: The secure Triplelock seam design minimizes the risk of flue gas leaks, thereby enhancing the overall safety of your property. A well-sealed chimney is essential to preventing carbon monoxide intrusion and other potential hazards associated with faulty exhaust systems.
- Cost Effectiveness: Despite the initial investment, the longevity and minimal maintenance requirements of this premium flue liner contribute to long-term savings. Fewer replacements, reduced repair costs, and enhanced efficiency all add up to a cost-effective solution.
- Flexible Application: Whether you have a new installation or are retrofitting an existing chimney, the 44m coil provides ample material to accommodate various chimney sizes, ensuring a versatile application for a range of settings.
Expert Recommendations and Final Considerations
For anyone seeking a reliable and long-lasting flue liner, the choice is clear. Our premium 316L flue liner offers unmatched quality, durability, and enhanced safety features that few other products can claim. Professionals in the field have noted the simplicity of installation and the peace of mind provided by the warranty and certification standards. As safety and efficiency are non-negotiable in your heating system, this product is designed to meet and exceed expectations.
In summary, investing in our top-of-the-line flue liner not only guarantees improved performance and safety but also reflects a commitment to quality that benefits both the environment and your wallet. The combination of advanced engineering, high-grade materials, and rigorous certification makes this product a standout in the market.
Make the smart choice for your chimney system today. Add to cart or call 01670 206 999.
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