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Screw-FIX Long Tail Adaptor - Ø 175 (25-175-MAELT)

Discover the Screw-FIX Long Tail Adaptor - Ø 175 from National Flues, the ideal solution for connecting rigid single wall flue systems to MI-FLEX liners. Engineered from high-quality 316 stainless steel, this adaptor delivers exceptional performance and safety, making it a top choice for flue installations across the UK. Read more...
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At a Glance

  • Constructed from premium 316 stainless steel
  • Engineered to withstand temperatures up to 600°C
  • Compatible with both MI-FLEX 316 and 904 flexible liners
  • Provides a secure, gas-tight connection in masonry chimneys
  • Suitable for wood (less than 20% moisture), oil, gas, and smokeless coal
  • Complies with Building Regulations Document J

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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:

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Price Match Guarantee: If you find the same product cheaper within 48 hours, we’ll match it and refund the difference.

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

Our Screw-FIX Long Tail Adaptor - Ø 175mm is a premium choice for creating a secure and efficient connection between a single-wall flue system and MI-FLEX 316 and 904 flexible liners. Crafted from high-quality 316 stainless steel, this adaptor ensures durability and maximum service temperature of up to 600°C, making it suitable for a range of fuels including wood, smokeless coal, gas, and oil. The adaptor works flawlessly within a masonry chimney and adheres to Building Regulations Document J.

It's designed to be easy to install and requires the use of fire cement, ceramic rope, or high-temperature sealant to ensure a gas-tight seal. Proper maintenance and sweeping, preferably by HETAS-registered professionals, are recommended to ensure lasting functionality and safety.

SKU: 25-175-MAELT

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
Material316 Stainless Steel
Adaptor DiameterØ175 mm
Maximum Service Temperature600°C
Compatible LinersMI-FLEX 316 & MI-FLEX 904
Fuel CompatibilityWood (<20% moisture), Oil, Gas, Smokeless Coal
ApplicationSingle wall flue system to flexible liner connection
Installation EnvironmentMasonry Chimney
ComplianceCE / HETAS, Building Regulations Document J
Ensure the adaptor is installed within a fully enclosed masonry chimney as mandated by Building Regulations Document J. Prepare the connection using fire cement, ceramic rope, or a high-temperature sealant to guarantee a secure, gas-tight seal. The adaptor is straightforward to install, yet for safety, it is advised that installation and routine maintenance (including at least biannual sweeping) are performed by HETAS registered professionals. Always double-check that all fittings are correctly aligned to maintain optimal performance and safety compliance.

The Screw-FIX Long Tail Adaptor is made of high-quality 316 stainless steel, ensuring durability and resistance to high temperatures up to 600°C.

Yes, the Screw-FIX Long Tail Adaptor is compatible with both MI-FLEX 316 and 904 flexible flue liners.

No, Building Regulations Document J mandates that flexible flue liners must be fully enclosed inside a masonry chimney.

The Screw-FIX Long Tail Adaptor is suitable for use with wood (less than 20% moisture), smokeless coal, gas, and oil.

You can use fire cement, ceramic rope, or high-temperature sealant to secure a gas-tight seal during installation.

It’s recommended to sweep chimneys serving solid fuel appliances at least twice a year, at the end of the heating season and at the beginning of the next. Maintenance should be done at least once a year.

You can find HETAS registered professionals for chimney sweeping at www.hetas.co.uk.

 

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