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Screw-FIX Adaptor to SW - Ø 150 (25-150-MAE)

Discover the high-quality Screw-FIX Adaptor to SW - Ø 150 from National Flues, a trusted brand in premium chimney and flue systems. Engineered for robust performance and compliance with stringent UK Building Regulations, this adaptor is an indispensable component for securely connecting rigid single wall systems to MI-FLEX flexible liners. Read more...
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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

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Have Questions?
Phone: 01670 206999
Email: sales@nationalflues.com

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

Delivery Information* +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Monday, November 17th. 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.

Technical Specifications
SKU25-150-MAE
Nominal DiameterØ 150
Material316L Stainless Steel
Construction0.6mm thickness
Temperature RatingUp to 600°C (T600)
System CompatibilityMI-FLEX 316 and 904 liners
Fuel TypesWood (<20% moisture), Oil, Gas, Smokeless Coal
InstallationFor masonry chimneys only
CertificationCE / HETAS compliant
For optimal installation, ensure the adaptor forms a secure connection between the rigid single wall flue system and MI-FLEX liners. Use appropriate installation provisions such as fire cement, ceramic rope, or a high-temperature sealant to achieve a guaranteed gas-tight seal. The adaptor is designed for enclosed installation within masonry chimneys, in compliance with Building Regulations Document J. Users should verify that their chimney meets all regulatory criteria prior to installation. Additionally, regular maintenance and sweeping by a competent professional are recommended to ensure the longevity and efficiency of the flue system. Caution: Do not use chemical cleaners or mild steel tools on stainless steel components.

It connects a rigid single wall flue system to MI-FLEX flexible flue liners of the same nominal diameter, ensuring a secure and gas-tight transition for multi-fuel applications.

Yes, it is suitable for use with wood (less than 20% moisture), smokeless coal, gas, and oil appliances.

It is designed to handle temperatures up to 600°C (T600 designation).

It must be installed within a masonry chimney, in compliance with Building Regulations Document J.

Yes, provisions such as fire cement, ceramic rope, tape, or high-temperature sealant should be used to ensure a gas-tight seal.

Sweeping and maintenance should be carried out at least once a year, but chimneys serving solid fuel appliances should be swept at least twice a year by a competent person.

No, chemical cleaners or mild steel tools should not be used to clean stainless steel chimneys.

 

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