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MI-FLEX Adaptor 1mm - Ø 125

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This 1mm 316 stainless steel adaptor is essential for connecting a rigid single-wall flue system to a MI-FLEX flexible flue liner of the same nominal diameter, ensuring a seamless and secure setup.

£30.99 incl VAT

  •   Description  
  •   Product Details  

The MI-FLEX Adaptor 1mm - Ø125 is a vital component in chimney installations, specifically designed to transition from a single-wall flue system to a MI-FLEX 316 or 904 flexible flue liner. Compliant with Building Regulations Document J, this adaptor ensures your flue liner is securely enclosed within a masonry chimney, capable of withstanding temperatures up to 600°C (T600 designation). Ideal for use with wood (less than 20% moisture), smokeless coal, gas, and oil appliances, this adaptor forms a gas-tight seal when installed with fire cement, ceramic rope, or high-temperature sealant.

  • SKU: 20-125-MAE1
  • Item: MI-FLEX Adaptor 1mm - u00d8 125
  • Designation:: BSEN 1856-2 T600 N1 W V2 L50012 G
  • System:: MI-FLEX Accessories MF20
  • Material:: 316L
  • Colour Finish:: Natural / Stainless Steel
  • Fuels:: Wood, Oil, Gas, Smokeless coal
  • Approvals:: HETAS / CE

What is it for?

The MI-FLEX Adaptor 1mm - Ø125 is designed to connect a rigid single-wall flue system to a MI-FLEX flexible flue liner of matching diameter.

Brand Summary

National Flues is a leading supplier in the UK, offering high-quality fireplaces and flue solutions at competitive prices. We cater to both retail and trade customers, ensuring fast, reliable delivery nationwide.

National Flues Verdict

The MI-FLEX Adaptor 1mm - Ø125 is a top choice for professionals and DIY enthusiasts alike. National Flues provides reliable delivery across the UK to both retail and trade customers.

Our Rating
9.7/10

FAQs

The main purpose is to connect a rigid single-wall flue system to a MI-FLEX flexible flue liner, ensuring a secure and compliant installation.

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

The adaptor can withstand temperatures up to 600°C (T600 designation).

You should use fire cement, ceramic rope, tape, or high-temperature sealant to make a gas-tight seal.

No, per Building Regulations Document J, it must be enclosed inside a masonry chimney.

Chimneys should be swept at least once a year, preferably twice if they serve solid fuel appliances—once at the end of the heating season and once before the new season.

No, chemical cleaners or mild steel tools should not be used. Always use appropriate stainless steel cleaning tools.