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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. Read more...
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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

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.

Have Questions?
Phone: 01670 206999
Email: sales@nationalflues.com

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

Delivery Information* +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Friday, November 14th. This is based on current lead times. Bear in mind that it is a busy time of year. If you need a product delivered by a specific time in the next 7 days, then please give us a call on 01670 206 999. Visit our Shipping Information page for more information.

About National Flues Ltd +

We began over 30 years ago as a fireplace shop in the North East. We now supply hundreds of trade professionals and thousands of retail customers, all across the UK, every month. We are still a family owned business, lead by the MD Neil, and always try our best to deliver the best possible experience. We also price match, so give us a call if you find this cheaper and want to buy from us. Visit our about us page to read a bit more.

Technical Specifications
Diameter250mm
Material0.10mm 316L Grade Stainless Steel
Fuel TypeGas and Oil
Joint MethodTriplelock
Temperature RatingUp to 260°C
StandardsBS EN 1856-2, Kitemarked to BS 715
Warranty10 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.

 

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