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Screw-FIX Long Tail Increaser - Ø 125-150mm

In Stock

Introducing the high-grade 316 stainless steel Screw-FIX Long Tail Increaser - Ø 125-150mm, a trusted solution for creating seamless connections in your chimney system. Whether you’re dealing with wood, coal, gas, or oil appliances, this increaser can handle it all, ensuring a durable and reliable installation.

£43.99 incl VAT

The Screw-FIX Long Tail Increaser - Ø 125-150mm is a high-quality, 316-grade stainless steel adaptor designed for seamless transitions between single wall connecting flue systems and MI-FLEX flexible flue liners. Ideal for use with various fuels such as wood (with less than 20% moisture), smokeless coal, gas, and oil, this increaser supports appliance temperatures up to 600°C (T600). Compliant with Building Regulations Document J, it ensures installation must be fully enclosed within a masonry chimney. Creating a gas-tight seal is crucial; hence, it is advisable to use fire cement, ceramic rope or tape, or high-temperature sealant. This increaser also facilitates easy provisions for maintenance and chimney sweeping, which are essential to keep your system in top shape. Always opt for competent professionals for sweeping to avoid damage to the flue system.

  • SKU: 25-125-MRLT
  • Item: Screw-FIX Long Tail Increaser - u00d8 125-150mm
  • Designation:: BSEN 1856-2 T600 N1 W V2 L50012 G
  • System:: MI-FLEX Accessories MF20
  • Material:: 316L
  • Colour Finish:: Stainless Steel / NATURAL
  • Fuels:: Wood, Oil, Gas, Smokeless coal
  • Approvals::
  • : CE / HETAS

What is it for?

The Screw-FIX Long Tail Increaser is designed to facilitate the connection between single wall flue systems and flexible flue liners, ensuring a secure and gas-tight transition within masonry chimneys.

Brand Summary

National Flues is a leading supplier of fireplaces and flue solutions across the UK, known for high-quality products, unbeatable prices, and reliable nationwide delivery. Catering to both retail and trade customers, National Flues ensures secure online payments and exceptional customer service.

National Flues Verdict

The Screw-FIX Long Tail Increaser is a top-notch solution for effortlessly connecting single wall flue systems to flexible flue liners. Designed with durability and reliability in mind, this increaser is a favourite among our trade and retail customers. With Nationwide delivery and rarely beaten on price, National Flues remains the preferred choice for fireplace and flue solutions.

Our Rating
9.7/10

FAQs

The Screw-FIX Long Tail Increaser is designed to connect single wall flue systems to flexible flue liners, ensuring a smooth transition and a secure, gas-tight seal.

Yes, it is suitable for use with wood (with less than 20% moisture), smokeless coal, gas, and oil, supporting appliance temperatures up to 600°C.

To ensure a gas-tight seal, it is recommended to use fire cement, ceramic rope or tape, or high-temperature sealant.

Yes, per Building Regulations Document J, the flexible flue liner must be installed fully enclosed within a masonry chimney. Any form of timber or plasterboard boxing is not acceptable.

It’s recommended to have the chimney system cleaned and inspected at least once a year. However, for solid fuel appliances, sweeping should occur at least twice a year – at the end of the heating season and before the next heating season starts.

No, chemical cleaners and mild steel tools should not be used for sweeping stainless steel chimneys. Always opt for professional cleaning.

While it's possible for those experienced with chimney installations, it's highly recommended to hire a competent professional to ensure all components are correctly installed and comply with building regulations.