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Top Insert Sleeve with Rain Cap - Ø 200 (20-200-PSRC)

National Flues presents the Top Insert Sleeve with Rain Cap - Ø 200, an essential chimney accessory designed for MI-FLEX 316 and 904 flexible flue liners. This premium product offers effective rain protection and reinforces your chimney system with its reliable and durable design. Ideal for managing water ingress and ensuring optimal performance, it is a must-have for anyone seeking enhanced safety and longevity in their heating installations.
The price you pay today £76.99
Give us a call if you find it cheaper and we'll normally price match.

 

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At a Glance

    Comprehensive rain protection for MI-FLEX flue liners
    Integrated protection sleeve for quick and secure installation
    Constructed from durable 316L stainless steel
    Withstands temperatures up to 600°C
    Prevents water ingress, vermin, and bird access
    Fully compliant with Building Regulations Document J
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, July 1st. This is based on current delivery times for this product. Delivery for products not in our warehouses can be delayed because of third party carriers. If you need a stove, or other bulky product, to be delivered by a specific time in the next 7 days then please 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 and you can read in our blog about they types and terms and conditions for warranties. Mi-Flex flue liner, for example, comes with a lifetime guarantee. Give us a call if you want to know about a specific warranty. Returns for damaged items are covered by insurance; non-damaged returns incur return delivery costs.

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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.

We Won't Be Beaten On Price

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.
  • Bulk Purchasing Power: We sell a lot, so we can negotiate better rates with suppliers, passing the savings directly to you.
  • Operational Efficiency: We have streamlined processes to reduce overhead.

Price Match Guarantee: If you find the same product cheaper within 48 hours, we’ll match it and refund the difference.

Free Delivery Over £100: Orders over £100 are free delivery (call us if delivery is required outside the mainland UK).

“I saved 20% on my purchase compared to other retailers. Exceptional service!” – Jane D.

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

The Top Insert Sleeve with Rain Cap - Ø 200 is an essential component for any installer working with MI-FLEX 316 and 904 flexible flue liners. This accessory provides crucial rain protection at the top of your chimney stack while integrating a protection sleeve that fits seamlessly into the flexible liner, making installation a breeze. Compliant with Building Regulations Document J, this item must be used within a masonry chimney for complete safety and performance.

It is suitable for appliances operating up to 600°C (T600 designation) and supports the use of wood with less than 20% moisture, smokeless coal, gas, and oil. The rain cap not only prevents water ingress but also safeguards against vermin and birds. To ensure the longevity and safety of your chimney system, regular maintenance and sweeping are recommended, especially if you’re using solid fuels.

SKU: 20-200-PSRC

Technical Specifications
SKU20-200-PSRC
Diameter200mm (u00d8 200)
Material316L Stainless Steel
Colour FinishNatural / Stainless Steel
Max Temperature600u00b0C (T600)
ComplianceHETAS / CE, Building Regulations Document J
Suitable FuelsWood (<20% moisture), Smokeless Coal, Gas, Oil
• Ensure that the flexible flue liner is properly inserted into a masonry chimney before installation. • Securely fit the Top Insert Sleeve with Rain Cap by following the provided clamp-on instructions to guarantee a snug attachment. • Regular maintenance and chimney sweeping are recommended, especially if using solid fuels; consulting a HETAS registered professional is advised. • Verify that all components are correctly aligned to prevent any potential ingress of rain, vermin, or birds. • Always refer to the manufacturer's guidelines during installation to maintain compliance with safety standards.

The rain cap is suitable for use with wood (under 20% moisture), smokeless coal, gas, and oil appliances.

Yes, it complies with Building Regulations Document J when used with a masonry chimney.

It is recommended to sweep chimneys serving solid fuel appliances at least twice a year and at least once a year for other types of fuel.

No, a flexible flue liner with this rain cap must be installed completely inside a masonry chimney.

The rain cap can withstand temperatures up to 600°C (T600 designation).

Maintenance should be carried out by a competent person, preferably a HETAS registered sweep for solid fuel applications.

A rain cap prevents water ingress, which can lead to damage and inefficiency, and also protects against vermin and birds.

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