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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. Read more...
Now only £486.99
including free delivery Give us a call if you find it cheaper and we'll normally price match.
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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

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

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

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
SKU4Z-100-44
Diameter100mm (4 inch)
Coil Length44m
Material0.10mm 316L Grade Stainless Steel
Joint MethodTriplelock Seam
DesignationsEN1856-2, T250, N1, D, V3, L50010, G
Fuel TypeGas and Oil
Maximum Temperature260°C
CertificationKitemarked to BS 715, CE Approved to BS EN 1856:2
Warranty10 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.

 

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