Long Tail Increasing MI-FLEX Adaptor - Ø 150-Ø 175 (20-150-MRLT)

At a Glance
- 0.6mm 316L stainless steel construction
Seamlessly connects rigid single wall and MI-FLEX flexible flue liners
Increases flue diameter by 25mm for improved performance
Suitable for wood (<20% moisture), smokeless coal, gas, and oil appliances
Compliant with Building Regulations Document J, HETAS and CE approved
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 Long Tail Increasing MI-FLEX Adaptor (Ø 150-Ø 175) is an essential component for your chimney system. Crafted from 0.6mm 316 stainless steel, this adaptor is designed to seamlessly connect a rigid single wall flue system to a flexible MI-FLEX flue liner. It ensures a smooth transition, increasing the flue size by 25mm.
Ideal for use with MI-FLEX 316 and 904 flexible liners, the adaptor complies with Building Regulations Document J, stipulating fully enclosed installation within a masonry chimney. Suitable for appliances up to 600°C, it's perfect for wood (<20% moisture), smokeless coal, gas, and oil. Ensure a gas-tight seal with fire cement, ceramic rope, or high-temperature sealant.
Annual maintenance and sweeping by a competent person, especially for solid fuel systems, are recommended to keep your chimney in optimal condition.
SKU: 20-150-MRLT
Technical Specifications | |
---|---|
Material | 316L Stainless Steel |
Dimensions | u00d8 150 to u00d8 175, 0.6mm wall thickness |
Fuel Compatibility | Wood (<20% moisture), Smokeless Coal, Gas, Oil |
Temperature Rating | Up to 600u00b0C |
Approvals | HETAS, CE |
System Compatibility | MI-FLEX 316 & 904 flexible liners |
Regulatory Standard | Compliant with Building Regulations Document J |
Stock Status | IN STOCK (10) |