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Pack 504 - (125mm, P/C/PS/N/CNP/20-100-MR)

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The Pack 504 Installation Kit is your ultimate solution for replacing a chimney pot and installing a 125mm flexible flue liner. This all-encompassing kit provides everything needed for a smooth installation while complying with Building Regulations Document J. Ideal for use with MI-FLEX multi-fuel flexible flue liners, it supports a range of fuels including wood, smokeless coal, gas, and oil.

£48.99 incl VAT

  •   Description  
  •   Product Details  

The Pack 504 - (125mm, P/C/PS/N/CNP/20-100-MR) is an all-inclusive installation kit designed for MI-FLEX 316 and 904 flexible flue liners. Perfectly suited for creating a comprehensive chimney system, this kit allows you to replace an existing chimney pot and install a new flue liner with ease. This pack includes a 125mm Top Plate, Top Clamp, Nose Cone, and an Increasing Adaptor to Black Pipe or Single Wall Flue with dimensions from 100mm SW to 125mm Flex. Additionally, a Chimney Notice Plate is provided. Building Regulations Document J stipulates that flexible flue liners must be fully enclosed within a masonry chimney, and this kit meets all necessary requirements. Suitable for appliances up to 600°C and compatible with wood (under 20% moisture), smokeless coal, gas, and oil, it ensures a robust and durable installation.

  • SKU: 20-125-P504
  • Item: Installation Pack No 504 - u00d8 100-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?

This kit is designed for replacing an existing chimney pot and installing a new MI-FLEX flexible flue liner, ensuring a safe and compliant chimney system.

Brand Summary

National Flues is a leading supplier of fireplaces and flues, known for unbeatable prices, reliable delivery, and excellent support for both trade and retail customers. With a range of high-quality products and a commitment to customer satisfaction, National Flues is your trusted partner for all your chimney and flue needs.

National Flues Verdict

The Pack 504 Installation Kit is a must-have for any trade professional or DIY enthusiast aiming for a reliable, safe, and efficient chimney flue liner installation. Backed by National Flues' commitment to quality, affordability, and nationwide delivery, this kit is your go-to solution for all your flue needs.

Our Rating
9.7/10

FAQs

The kit includes a 125mm Top Plate, Top Clamp, Nose Cone, Increasing Adaptor to Black Pipe or Single Wall Flue (100mm SW to 125mm Flex), and a Chimney Notice Plate.

Yes, this kit is suitable for wood (under 20% moisture), smokeless coal, gas, and oil appliances up to 600°C.

No, Building Regulations Document J requires that a flexible flue liner must be installed completely enclosed inside a masonry chimney.

While the MI-FLEX liner itself is not included, this kit provides all necessary accessories for installation. You may also need a cowl or terminal for weather and bird protection.

Cleaning and inspection should be carried out at least once a year. For solid fuel appliances, it is recommended to sweep the chimney at least twice a year.

Avoid using chemical cleaners or mild steel tools on stainless steel chimneys. It is best to use a professional sweep listed on HETAS.

The Chimney Notice Plate provides important information about the chimney system, including its design and maintenance requirements, ensuring safety and compliance.