300mm (12 inch) Flue Liner 316L for Gas and Oil (316L Grade) (4Z-300-1)
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Fast deliveryFriday, November 14th*
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Best PriceCall us to beat any price you found online.
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At a Glance
- Made from premium 316L grade stainless steel
- 10mm single-skin flexible construction
- Designed specifically for gas and oil appliances
- Features robust TRIPLELOCK sealed joints with five convolutions
- Kitemarked to BS 715 and CE Approved to BS EN 1856:2
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
- Details
- Specs
- Install/Packs
- FAQs
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
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.
This is us — real advice over the phone, or at the counter, and real stock in our warehouse.
| Technical Specifications | |
|---|---|
| SKU | 4Z-300-1 |
| Material | 316L Grade Stainless Steel |
| Thickness | 0.10mm |
| Diameter Range | 80mm to 300mm |
| Joint Method | Triplelock |
| Designations | EN1856-2 T250 N1 D V3 L50010 G |
| Kitemarked | Yes |
| CE Approved | Yes |
| Warranty | 10 Year Conditional Warranty |
| Temperature Rating | Up to 260°C |
| Fuel Type | Gas and Oil |
| CPR | 2797-CPR-603464 |