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Pack 801 - (200mm, P/C/PS/N/CNP/MAE) (20-200-P801)

National Flues presents the Pack 801 – a comprehensive chimney pot replacement and installation kit designed for the modern homeowner. Perfect for setting up or upgrading your chimney flue system, this 200mm installation kit is fully compatible with MI-FLEX 316 and 904 flexible flue liners. Whether Read More...
£86.99
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At a Glance

    Complete Installation Kit including Top Plate, Top Clamp, Top Insert, Nose Cone, Adaptor to Black Pipe/Single Wall Flue, and Chimney Notice Plate
    200mm standard size ensuring compatibility with MI-FLEX 316 and 904 flexible flue liners
    Built from high-grade 316L stainless steel for enhanced durability
    Withstands temperatures up to 600°C for safe, reliable operations
    Suitable for multiple fuels: wood (with less than 20% moisture), oil, gas, and smokeless coal
    HETAS and CE approved for peace of mind
    Optional accessories available to complement and enhance your chimney system

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At National Flues, we continuously monitor competitor prices. This ensures that we consistently offer you the best deals on all our products. Here’s how we keep your costs low:

  • Daily Price Matching: Our team adjusts prices to ensure we stay competitive.
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Price Match Guarantee: If you find the same product cheaper within 48 hours, we’ll match it and refund the difference.

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Have Questions?
Phone: 01670 206999
Email: [email protected]

The Pack 801 is an essential kit for anyone looking to maintain or upgrade their chimney flue system. Perfectly compatible with MI-FLEX 316 and 904 flexible flue liners, this installation kit includes all the necessary components you need. When used together, these elements form a complete and robust chimney system suitable for multiple fuel types including wood with less than 20% moisture, smokeless coal, gas, and oil.

This kit is built to withstand temperatures up to 600°C, ensuring safety and durability. Building Regulations Document J requires that flexible flue liners are installed entirely within a masonry chimney, not in timber or plasterboard enclosures. The kit includes: 1 Top Plate (Ø 200mm), 1 Top Clamp (Ø 200mm), 1 Top Insert (Ø 200mm), 1 Nose Cone (Ø 200mm), 1 Adaptor to Black Pipe or Single Wall Flue (Ø 200mm) and 1 Chimney Notice Plate.

Ideal for scenarios where the existing chimney pot needs to be removed and replaced. Regular maintenance with biannual sweeping is recommended for chimneys used with solid fuels.

SKU: 20-200-P801

Technical Specifications
SKU20-200-P801
Dimensions200mm
ComponentsTop Plate, Top Clamp, Top Insert, Nose Cone, Adaptor (to Black Pipe/Single Wall Flue), Chimney Notice Plate
Material316L Stainless Steel
ColourNatural / Stainless Steel
FuelsWood (<20% moisture), Smokeless Coal, Gas, Oil
Temperature RatingUp to 600u00b0C
ApprovalsHETAS, CE
SystemMI-FLEX Accessories MF20
Ensure that the installation of the Pack 801 is performed in accordance with the manufacturer’s instructions and Building Regulations Document J. The flexible flue liners must be installed entirely within a masonry chimney and are not suitable for timber or plasterboard enclosures. Follow all safety guidelines and use HETAS-registered sweeps for maintenance. It is recommended to perform a biannual chimney sweep, ideally once at the end of the heating season and again before the start of the next season. For best results, consider consulting a professional installer if you are unfamiliar with chimney installations.

The Pack 801 includes a Top Plate (Ø 200mm), Top Clamp (Ø 200mm), Top Insert (Ø 200mm), Nose Cone (Ø 200mm), Adaptor to Black Pipe or Single Wall Flue (Ø 200mm), and a Chimney Notice Plate.

No, Building Regulations Document J mandates that flexible flue liners can only be installed within a masonry chimney.

The Pack 801 is compatible with wood (less than 20% moisture), smokeless coal, gas, and oil.

The components in the Pack 801 can withstand temperatures up to 600°C (T600 designation).

No, the MI-FLEX liner is not included in this installation kit.

For solid fuel appliances, the chimney should be swept at least twice a year, once at the end of the heating season and once at the start of the next.

Regular inspections and professional sweeping are recommended to keep your chimney system in excellent condition. Use HETAS-registered sweeps for solid fuel applications.
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Wednesday, May 21st. Delivery times of products not in our warehouses depend on product availability and shipping. If you need a definitive delivery time give us a call. If you need faster stove or fireplace delivery please also give us a call. We can sometimes reduce longer lead times if we pay the carrier £25 for express delivery. Visit our Shipping Information page for more information.

Warranty & Returns +

All our products come with warranties. Mi-Flex offers a lifetime guarantee. Returns for damaged items are covered by insurance; non-damaged returns incur return delivery costs.

Price Match Guarantee +

We will match any price like for like on a retail basis. Give us a call if you find it cheaper and want to buy from us.

Read our review in our Pack 801 - (200mm, P/C/PS/N/CNP/MAE) buyers guide

Secure your reliable chimney solution by purchasing the Pack 801 today!

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