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250mm (10 inch) Flue Liner 316L for Gas and Oil (316L Grade) (4Z-250-1)
National Flues presents the 250mm Flue Liner, expertly crafted from high-quality 316L grade stainless steel. Suitable for both gas and oil appliances, this flue liner is ideal for chimney relining, delivering superior performance, durability, and safety. With a design that meets BS EN 1856-2 standards and a triplelock seal, our flue liner not only offers reliability but also convenient installation for UK homes.
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In Stock
£62.99
Give us a call if you find it cheaper and we'll try to price match.
At a Glance
250mm diameter tailored for gas and oil appliances
Constructed from robust 0.10mm 316L grade stainless steel
Engineered with a reliable TRIPLELOCK seal for enhanced safety
Complies with BS EN 1856-2 and is Kitemarked to BS 715
Available in various metre lengths to perfectly match your chimney
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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.
Our 250mm (10 inch) flue liner, made from durable 316L grade stainless steel, is perfect for relining masonry chimneys. Specifically designed for use with gas and oil appliances, this flue liner can withstand temperatures up to 260°C. Measuring 0.10mm in thickness, the liner features five convolutions between each seam and a TRIPLELOCK seal that ensures extra durability and safety.
It has been rigorously tested and meets the BS EN 1856:2 standard, along with being Kitemarked to BS 715. Follow our detailed installation checklist to ensure a seamless setup, from sweeping your chimney to securely fitting the terminal. Rest assured, this flue liner provides exceptional performance and longevity for your home's heating system.
SKU: 4Z-250-1
Technical Specifications
Diameter
250mm
Material
0.10mm 316L Grade Stainless Steel
Fuel Type
Gas and Oil
Joint Method
Triplelock
Temperature Rating
Up to 260u00b0C
Standards
BS EN 1856-2, Kitemarked to BS 715
Warranty
10 Year Conditional Warranty
Installation should begin at the top of your chimney. Secure the flue liner with the provided nose cone and string guide for accurate placement. Ensure that each seam is tightly sealed using the TRIPLELOCK method and follow our detailed checklist: sweep the chimney thoroughly, dry any debris, position the liner carefully to avoid misalignment, and fit the terminal securely. It is vital to use appropriate clamps and weatherproof render to maintain the integrity of the installation. For best results, consult the installation manual provided and consider professional assistance if unsure.
This flue liner is designed for use with appliances fired by gas and oils up to 28 seconds. Always refer to the appliance manufacturer's specifications.
Yes, the 316L grade stainless steel is highly durable and resistant to corrosion, making it an excellent choice for flue liners.
The flue liner is suitable for temperatures not exceeding 260°C.
The flue liner should be fitted from the top of the chimney. Use a nose cone and string to guide the liner down, secure it with the clamp plate, and ensure proper sealing with cement and weatherproof render.
Chimneys serving gas and oil appliances should be swept and maintained at least once a year to ensure optimal performance and safety.
Yes, the TRIPLELOCK Flue Liner is Kitemarked to BS 715 and has been tested to meet BS EN 1856:2 standards.
Yes, this flue liner is suitable for both gas and oil-fired appliances up to 28 seconds, as specified by the fire manufacturer.
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 250mm (10 inch) Flue Liner 316L for Gas and Oil (316L Grade) buyers guide
Comprehensive Buyers Guide for the 250mm (10 inch) 316L Grade Flue Liner
When investing in a new flue liner, it is essential to understand why quality, durability, and compliance with industry standards should be your top priorities. The 250mm (10 inch) 316L Grade Flue Liner is engineered to meet these demands, making it an ideal choice for relining masonry chimneys and ensuring efficient operation of your gas and oil appliances.
Understanding the Product
The 250mm flue liner is constructed from high-grade 316L stainless steel and features a thickness of 0.10mm. Its design incorporates five convolutions between each seam, enhancing the structural rigidity and thermal performance of the liner. The inclusion of a TRIPLELOCK joint method means that sealing is robust, thereby offering additional protection against leaks. The product is rigorously tested to comply with the BS EN 1856-2 standard, and its Kitemarked certification provides the assurance of quality required by modern installations.
Key Benefits and Advantages
Durability and Longevity: The use of 316L grade stainless steel ensures that this flue liner is highly resistant to corrosion and degradation over time. This is especially important in the harsh environments often encountered in chimney installations.
Enhanced Safety: With the integrated TRIPLELOCK seal, the liner significantly reduces the risk of harmful gases escaping into your home, offering peace of mind for families.
Compliance and Certification: The product meets critical industry standards such as BS EN 1856-2 and is Kitemarked, reinforcing confidence in its safety and performance.
Versatility in Lengths: Available in a range of lengths from 4m to 15m, you can select the perfect fit for your chimney's dimensions. This flexibility means that there is a tailored solution for both smaller and larger installations.
How to Choose the Right Flue Liner
There are several factors to consider when selecting a flue liner:
- Chimney Dimensions: It is essential to measure your chimney’s diameter accurately. The 250mm liner is designed for chimneys within an 80mm to 300mm range.
- Fuel Type: Ensure that the liner is suitable for the type of appliance installed in your home. This liner is specifically designed for both gas and oil appliances.
- Installation Requirements: Depending on your technical expertise, you may wish to opt for additional installation accessories or professional services. Our range of complementary accessories can further aid in achieving a flawless setup.
- Standards and Certification: Always opt for products that adhere to recognised industry standards. The assurance provided by BS EN 1856-2 compliance and Kitemarking is invaluable.
Installation Insights
Proper installation is critical to the performance of your flue liner. Begin by thoroughly sweeping your chimney to remove any blockages or creosote build-up. During installation, ensure that the liner is directed accurately using a nose cone and guide string. Secure the liner with provided clamps and check that all seams are sealed with the TRIPLELOCK system. Remember, a well-installed flue liner not only guarantees efficient operation but also extends the lifespan of your appliance.
Addressing Common Objections
Objection 1: 'I am not confident in installing a flue liner myself.'
Our detailed installation manual is designed to guide you through each step of the process. For those who prefer professional assistance, local services are available and recommended to ensure a flawless installation.
Objection 2: 'I am unsure whether this liner fits my setup.'
With its versatile length options and broad diameter range compatibility (80mm to 300mm), this liner is designed to adapt to most chimney configurations. Detailed measurements and assistance available online ensure you choose the right fit for your home.
Objection 3: 'I worry about long-term performance and safety.'
The use of 316L grade stainless steel guarantees resistance to corrosion, while rigorous testing and certifications such as BS EN 1856-2 provide assurance of safety and performance. The 10 Year Conditional Warranty further reinforces that you are investing in a durable, robust product.
Final Considerations
In summary, the 250mm (10 inch) 316L Grade Flue Liner is an excellent investment for homeowners seeking a reliable, safe, and durable solution for chimney relining. Its construction from premium materials, adherence to strict safety standards, and the flexible range of length options make it a top contender in the market. Whether you are a DIY enthusiast or prefer professional installation, this flue liner is engineered for ease of use and exceptional performance.
Furthermore, National Flues offers additional accessories and complementary products to ensure your entire chimney system works in harmony. From specialized clamps to weatherproof renders, exploring these options can further enhance your setup and ensure long-term efficiency.
For those who demand the highest quality and unwavering reliability in their heating system, selecting the right flue liner is a decision not to be taken lightly. With our comprehensive product range, expert advice, and assurance of quality and safety, you can be confident in your choice for your home. Take the next step in securing a warm, efficient, and safe environment for your family.
Add to cart now or call 01670 206 999.
Secure your chimney’s performance today with our premium 316L flue liner – add it to your cart now!
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