904L Mi-FLEX 80mm x 44m COIL (36Z-80-44)
At a Glance
- Premium 904L stainless steel construction (0.105mm thick inner & outer layers)
Innovative Omega-Lock seam ensures a secure, quattrolock installation
Certified by HETAS and CE for your peace of mind
Versatile multi-fuel performance for gas, oil, coal, smokeless fuels and more
Lifetime manufacturer’s warranty when installed with Screw-FIX accessories
Easy top-down installation design for efficiency
Low maintenance with only annual sweeping required for optimal performance
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 80mm x 44m COIL is a versatile and durable multi-fuel flexible flue liner, perfect for relining masonry chimneys. Constructed with high-grade 904L stainless steel, both the inner and outer layers of this flue liner are 0.105mm thick, ensuring high resistance to corrosion and durability under various fuel conditions. This liner is accredited by HETAS and CE approved, guaranteeing high standards of safety and performance.Installation is straightforward but must be done from the top of the chimney; please ensure the arrows indicating gas flow are pointing upwards.
Maintenance involves an annual sweeping, especially for chimneys serving solid fuel appliances. The unique quattrolock seal formed by folding the liner strip in four planes ensures a secure and reliable installation.
SKU: 36Z-80-44
| Technical Specifications | |
|---|---|
| Diameter | 80mm |
| Length | 44m |
| Material | 904L stainless steel (0.105mm thick inner & outer layers) |
| Seam | Omega-Lock |
| Certification | HETAS, CE |
| Warranty | Lifetime (with Screw-FIX accessories) |
| Fuel Compatibility | Multi-fuel (gas, oil, coal, coke, smokeless fuels, and more) |
