904L Mi-FLEX 150mm x 40m COIL (36Z-150-40)
At a Glance
- Manufactured from 904L grade stainless steel for exceptional durability
Double-skinned design with 0.105mm thick inner and outer layers
Multi-fuel capability including gas, oil, coal, coke, cured dry logs, cured dry peat, and approved smokeless fuels
CE approved and HETAS listed for industry-standard safety and performance
Lifetime warranty when installed with Screw-FIX accessories
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, July 1st. This is based on current delivery times for this product. Delivery for products not in our warehouses can be delayed because of third party carriers. If you need a stove, or other bulky product, to be delivered by a specific time in the next 7 days then please give us a call. We can sometimes 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 and you can read in our blog about they types and terms and conditions for warranties. Mi-Flex flue liner, for example, comes with a lifetime guarantee. Give us a call if you want to know about a specific warranty. 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.
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: [email protected]
- Info
- Specs
- Install
- FAQs
The 904L Mi-FLEX 150mm x 40m COIL is a versatile and durable flue liner designed to fit masonry chimneys. Manufactured with high-grade 904L stainless steel, this double-skinned flexible liner is built to last. It boasts a smooth inner liner and a convoluted outer skin, each 0.105mm thick for enhanced durability.
Featuring a unique quattrolock seal, the liner is resistant to corrosion and is CE approved and HETAS listed. Perfect for burning gas, oil, coal, coke, cured dry logs, cured dry peat, and approved smokeless fuels, this flue liner ensures optimal performance and safety. The product comes with a lifetime warranty when installed with Screw-FIX accessories.
SKU: 36Z-150-40
| Technical Specifications | |
|---|---|
| SKU | 36Z-150-40 |
| Dimensions | 150mm diameter x 40m coil |
| Material | 904L stainless steel (inner and outer layers at 0.105mm thickness) |
| Fuel Types | Gas, Oil, Coal, Coke, Cured Dry Logs, Cured Dry Peat, Approved Smokeless fuels |
| Approvals | CE approved, HETAS listed |
| Manufacture | Mi-Flues Ltd, Single Strip construction |
| Seam | Omega-Lock |
| Warranty | Lifetime (when installed with Screw-FIX accessories) |
