Screw-FIX Adaptor to SW - Ø 150
At a Glance
- - Robust 0.6mm 316L stainless steel construction
- - Gas-tight, secure adaptor for chimneys
- - Withstands temperatures up to 600°C (T600 designation)
- - Compatible with MI-FLEX 316 & 904 flexible liners
- - Suitable for wood, oil, gas, and smokeless coal appliances
- - Compliance with Building Regulations Document J for masonry chimneys

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 Screw-FIX Adaptor to SW - Ø 150 is a crucial component within the MI-FLEX 316L family, designed for seamless integration with MI-FLEX 316 and 904 flexible flue liners. Featuring a robust 0.6mm 316 stainless steel construction, this adaptor ensures a reliable and gas-tight transition between a rigid single wall system and flexible flue liners of the same nominal diameter. Ideal for multi-fuel applications, this adaptor is compliant with Building Regulations Document J, making it suitable for enclosed installation within masonry chimneys only.
Capable of withstanding temperatures up to 600°C (T600 designation), it is compatible with wood (less than 20% moisture), smokeless coal, gas, and oil appliances. Proper installation provisions, such as fire cement, ceramic rope, or high-temperature sealant, are recommended for optimal performance and longevity. Regular sweeping and maintenance by competent professionals ensure the system's efficiency and safety.
SKU: 25-150-MAE
Technical Specifications | |
---|---|
SKU | 25-150-MAE |
Nominal Diameter | u00d8 150 |
Material | 316L Stainless Steel |
Construction | 0.6mm thickness |
Temperature Rating | Up to 600u00b0C (T600) |
System Compatibility | MI-FLEX 316 and 904 liners |
Fuel Types | Wood (<20% moisture), Oil, Gas, Smokeless Coal |
Installation | For masonry chimneys only |
Certification | CE / HETAS compliant |
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Friday, April 4th. If you need faster stove or fireplace delivery please give us a call. We can often 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. Mi-Flex offers a lifetime guarantee. 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. If you find it cheaper within 48 hours, we'll refund the difference.
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National Flues Ltd Verdict
The Screw-FIX Adaptor to SW - Ø 150 is an excellent addition to any chimney system, ensuring a seamless connection between flue components. As always, National Flues delivers nationwide and caters to both retail and trade customers with competitive pricing and reliable delivery.
The Screw-FIX Adaptor to SW - Ø 150 is designed to seamlessly connect a rigid single wall flue system to MI-FLEX flexible flue liners, ensuring a gas-tight and reliable flue system for various fuel types.
National Flues is a renowned UK supplier of high-quality fireplaces and flue systems, dedicated to providing competitively priced products and reliable nationwide delivery to both retail and trade customers.
