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Pack 604 - (150mm, P/C/PS/N/CNP/20-125-MR)

In Stock

Installation Pack No. 4, also known as the Pot Replacement Kit, comes with a 125mm to 150mm MR flex adaptor. This kit is perfect for those looking to replace an existing chimney pot and ensures you have all the necessary components for a seamless installation.

£52.99 incl VAT

The Pack 604 is an all-inclusive installation kit designed for use with MI-FLEX 316 and 904 flexible flue liners. It includes everything you need to complete your chimney system, ensuring compliance with Building Regulations Document J. The pack is suitable for appliances reaching up to 600°C and can be used with wood (with less than 20% moisture), smokeless coal, gas, and oil. Designed to replace existing chimney pots, it features a top plate, top clamp, nose cone, increasing adaptor, and a chimney notice plate. Remember to install a cowl or terminal to protect against weather and birds. Regular maintenance and professional sweeping are essential for optimal performance.

  • SKU: 20-150-P604
  • Item: Installation Pack No 604 - u00d8 125-u00d8 150
  • 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?

The Pack 604 is designed for replacing the existing chimney pot and installing a new flue liner system, ensuring compliance with safety regulations and optimal performance.

Brand Summary

National Flues is a leading supplier of fireplaces and flues in the UK, known for unbeatable prices, reliable delivery, and excellent customer service for both retail and trade customers.

National Flues Verdict

The Pack 604 is a top-notch chimney pot replacement kit, delivering excellent performance and durability. At National Flues, we hardly ever lose on price and provide reliable nationwide delivery for both retail and trade customers.

Our Rating
9.7/10

FAQs

The Pack 604 includes a Top Plate (Ø 150mm), Top Clamp (Ø 150mm), Nose Cone (Ø 150mm), an Increasing Adaptor to Black Pipe or Single Wall Flue (Ø 125mm SW to Ø 150mm Flex), and a Chimney Notice Plate.

Yes, the Pack 604 is suitable for wood-burning stoves, provided the wood has less than 20% moisture content.

No, the MI-FLEX liner is not included in this kit. The Pack 604 contains all necessary components except the flexible flue liner itself.

The components in the Pack 604 are suitable for use on appliances up to 600°C (T600 designation).

Yes, Building Regulations Document J requires that a flexible flue liner must be completely enclosed inside a masonry chimney. Non-masonry enclosures like timber or plasterboard are not acceptable.

The chimney system should be inspected and cleaned at least once a year, preferably twice a year if used for solid fuel appliances. Professional sweeping by a HETAS registered sweep is recommended.

Yes, it is advisable to install a cowl or terminal on the chimney to protect against weather and bird ingress.