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Pack 501 - (125mm, P/C/PS/N/CNP/MAE)

In Stock

The Installation Pack No. 1, also known as Pack 501, is your go-to pot replacement kit featuring a 125mm flex adaptor. This all-inclusive package is designed for optimal use with MI-FLEX 316 and 904 flexible flue liners, ensuring a robust chimney system compliant with Building Regulations. The kit includes all essential components, making it an ideal choice for both professionals and DIY enthusiasts aiming to replace an existing chimney pot.

£43.99 incl VAT

Pack 501 - (125mm, P/C/PS/N/CNP/MAE) is a comprehensive installation kit tailored to make your chimney installation smooth and compliant. Designed specifically for use with MI-FLEX 316 and 904 flexible flue liners, this pack ensures a fully functional chimney system. Building Regulations Document J underscores the necessity of enclosing flexible flue liners within masonry chimneys — non-masonry enclosures like timber or plasterboard are not acceptable. Suitable for appliances up to 600°C, this kit is perfect for wood (less than 20% moisture), smokeless coal, gas, and oil. The package includes a top plate, top clamp, top insert, nose cone, adaptor to black pipe or single wall flue, and a chimney notice plate. Routine maintenance and sweeping should be carried out by a competent person at least once or twice a year to ensure optimal performance and safety.

  • SKU: 20-125-P501
  • Item: Installation Pack No 501 - 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?

Pack 501 is designed to facilitate the replacement of an existing chimney pot while installing a flexible flue liner, ensuring the system complies with regulatory standards.

Brand Summary

National Flues is a leading supplier of fireplaces and flues in the UK, catering to both retail and trade customers with competitive prices, reliable delivery, and secure online payments.

National Flues Verdict

Pack 501 is a top-notch pot replacement kit featuring a 125mm flex adaptor. Perfectly designed for chimney installations, it meets all Building Regulations and is ideal for multi-fuel flexible liners. Enjoy reliable delivery across the UK and competitive pricing for both retail and trade customers.

Our Rating
9.6/10

FAQs

Pack 501 includes a top plate, top clamp, top insert, nose cone, adaptor to black pipe or single wall flue, and a chimney notice plate, all tailored for a 125mm diameter.

Yes, Pack 501 is suitable for appliances using wood (less than 20% moisture), smokeless coal, gas, and oil, and can withstand temperatures up to 600°C.

Yes, Building Regulations Document J requires that flexible flue liners must be completely enclosed within a masonry chimney. Non-masonry enclosures are not permitted.

Your chimney should be cleaned and inspected at least once a year. For solid fuel applications, it's recommended to sweep at the end of the heating season and just before the start of the next season to ensure there are no blockages.

While DIY installation is possible, it's recommended that a competent person or professional installer handles the set-up to ensure compliance with Building Regulations.

The nose cone assists in guiding the flexible flue liner down the chimney, making the installation process easier and more efficient.

Pack 501 is a comprehensive kit, but you may need additional items like a cowl or terminal for weather protection, depending on your specific installation requirements.