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300mm (12 inch) Flue Liner 316L for Gas and Oil (316L Grade)

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This 300mm (12 inch) Flue Liner 316L is perfectly suited for appliances fuelled by gas (as specified by the fire manufacturer) and oils up to 28 seconds.

£118.99 incl VAT

  •   Description  
  •   Product Details  

The 300mm (12 inch) Flue Liner 316L is a premium single-skin flexible flue liner, perfect for relining masonry chimneys. Made from high-quality 316L grade stainless steel with a thickness of 0.10mm, it offers exceptional durability. This flue liner is specifically designed for gas-fired appliances and oils up to 28 seconds and can handle temperatures up to 260°C. Its robust construction features five convolutions between each seam, enhanced with a TRIPLELOCK seal for maximum reliability. Fully Kitemarked to BS 715 and approved to BS EN 1856:2 standards, it offers peace of mind for safety and performance. Installation is a breeze with our detailed instructions. With proper maintenance, including sweeping at least once a year, this flue liner ensures optimal performance for years to come.

  • SKU: 4Z-300-1
  • Item: Flue Liner 316L for Gas and Oil (316L Grade)
  • Fuel Type:: Gas and Oil
  • Diameter Range:: 80mm to 300mm
  • Material:: 0.10mm 316L Grade Stainless Steel
  • Joint Method:: Triplelock
  • Designations:: EN1856-2 T250 N1 D V3 L50010 G
  • Kitemarked:: Yes
  • CE Approved:: Yes
  • Warranty:: 10 Year Conditional Warranty
  • CPR:: 2797-CPR-603464

What is it for?

This flue liner is designed for relining masonry chimneys for appliances using gas and oil fuels.

Brand Summary

National Flues is a leading supplier of fireplaces and flues across the UK, known for unbeatable prices and reliable nationwide delivery. We cater to both retail and trade customers with secure online payment options and dedicated trade accounts.

National Flues Verdict

At National Flues, we highly recommend the 300mm (12 inch) Flue Liner 316L for its top-notch durability and reliability. Our consistent nationwide delivery service and unbeatable prices make it a top choice for both retail and trade customers.

Our Rating
9.8/10

FAQs

The flue liner is made of 316L grade stainless steel, is 0.10mm thick, and features five convolutions between each seam with a TRIPLELOCK seal. It can handle temperatures up to 260°C.

The 300mm Flue Liner 316L is specifically designed for gas-fired appliances and oils up to 28 seconds. Always check the fire manufacturer's specifications.

Ensure the chimney is swept and in good condition. Install from the top using a nose cone and string, feed the liner down the chimney, secure the top with a clamp plate, and seal the bottom to a register plate, flue pipe, or gas collector.

Yes, the 300mm Flue Liner 316L is Kitemarked to BS 715 and approved to BS EN 1856:2 standards.

Regular maintenance should include sweeping the chimney serving gas and oil appliances at least once a year or more frequently as necessary.

Yes, if necessary, you can cut the flue liner to the required length. Ensure that 75mm of the liner projects above the clamp plate for proper terminal fitting.

If the chimney pot is in poor condition and you are not using a suspended cowl, you should remove the pot from the stack before installation.