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Increasing MI-FLEX Adaptor - Ø 150-Ø 175

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This 0.6mm 316 stainless steel Increasing MI-FLEX Adaptor is expertly designed to connect a single wall connecting flue system to an MI-FLEX Multi Fuel flexible flue liner. The adaptor effectively manages a size increase from Ø 150 to Ø 175mm, ensuring a secure, gas-tight seal between components.

£29.99 incl VAT

  •   Description  
  •   Product Details  

The Increasing MI-FLEX Adaptor Ø 150 to Ø 175 is an essential component specifically engineered to create a seamless connection from a single wall connecting flue system to MI-FLEX Multi Fuel flexible flue liner. Made from robust 0.6mm 316 stainless steel, this adaptor transitions smoothly, increasing diameter by 25mm, ensuring a gas-tight seal. Designed for use in fully enclosed masonry chimneys as per Building Regulations Document J, it's suitable for high-temperature applications (up to 600°C) and various fuels—wood, smokeless coal, gas, and oil. Installation requires precise securing using fire cement, ceramic rope, tape, or high-temperature sealant for optimal performance. Maintenance is straightforward, though professional sweeping is recommended, especially for solid fuel applications, with bi-annual cleans advised to maintain chimney health.

  • SKU: 20-150-MR
  • Item: Increasing MI-FLEX Adaptor - u00d8 150-u00d8 175
  • 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?

This product is designed to create a secure connection between a single wall connecting flue system and the MI-FLEX Multi Fuel flexible flue liner, increasing the diameter from Ø 150mm to Ø 175mm.

Brand Summary

National Flues is a premier supplier of fireplaces and flues across the UK, offering unbeatable prices, dependable delivery, and dedicated service to both retail and trade customers.

National Flues Verdict

The Increasing MI-FLEX Adaptor Ø 150 to Ø 175 is a stellar installation accessory, perfectly tailored for MI-FLEX flue liners. At National Flues, we ensure top-grade products at competitive prices, reliably delivered nationwide to retail and trade customers alike.

Our Rating
9.7/10

FAQs

The Increasing MI-FLEX Adaptor is used to connect a rigid single-wall flue system to the MI-FLEX Multi Fuel flexible flue liner, increasing the flue size by 25mm.

The adaptor is constructed from 0.6mm thick 316 stainless steel, ensuring durability and high resistance to corrosion.

Yes, the Increasing MI-FLEX Adaptor is suitable for use with wood (with less than 20% moisture), smokeless coal, gas, and oil appliances.

The adaptor should be installed fully enclosed within a masonry chimney, with no flexible flue visible. It's essential to secure it using fire cement, ceramic rope, tape, or high-temperature sealant.

Chimneys connected to solid fuel appliances should be swept at least twice a year. For other fuels, an annual inspection and clean are recommended to ensure proper maintenance and safety.

Yes, Building Regulations Document J states that flexible flue liners must be completely enclosed inside a masonry structure. Enclosures like timber or plasterboard boxing are not acceptable.

Sweeping should be conducted by a competent person. For solid fuel applications, it's advisable to use HETAS registered chimney sweeps.