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Mi-Pellet - 90° Bend with Door - Ø 80 - Ø 80 (43-80-040)

Discover the Mi-Pellet 90° Bend with Door by National Flues – a premium connecting pipe designed for both commercial and residential flue systems. This high-quality flue accessory is perfect for gas, oil, and solid fuel appliances, promising reliable performance, enhanced safety, and long-term durability. Ideal for customers seeking top-notch flue components, this product stands as a cost-effective and efficient solution for modern heating systems.
The price you pay today £41.99
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At a Glance

    Robust zero carbon steel construction
    Durable powder enamel matt black finish
    Suitable for gas, oil, and solid fuel appliances up to 600°C
    Integrated 90° bend with door for easy cleaning and maintenance
    Designed for efficient flue system connectivity
    Approved to EN1856-2 T600 N1 Vm L8010 G375 standards
    Requires 375mm clearance from combustible materials
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, June 3rd. 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.

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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.

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

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

The Mi-Pellet 90° Bend with Door - Ø 80 is a high-quality connecting pipe designed for efficient flue systems. Suitable for gas, oil, and solid fuel appliances, it can handle temperatures up to 600°C. Made from zero carbon steel with a durable vitreous enamel coating in matt black, this single skin flue system ensures long-lasting performance and seamless integration between your appliance and flue liner, chimney stack, or twin wall flue system.

Please note, the Mi-Pellet pipe should not be used to pass through ceilings or combustible walls and should be installed at least 375mm away from any combustible materials. Installation is straightforward, with the smaller diameter of the pipe pointing downward to prevent condensates from escaping. For certain positive pressure (P1) applications, seals must be applied to every joint.

Designed to be user-friendly, it even includes an access door for easy cleaning and maintenance. Regular inspections and chimney sweeping are recommended, especially for solid fuel applications.

SKU: 43-80-040

Technical Specifications
SKU43-80-040
Dimensionsu00d8 80 - u00d8 80; 90u00b0 Bend
MaterialZero Carbon Steel
CoatingPowder Enamel, Matt Black
Steel Thickness0.7mm
Coating Thickness0.3mm
Temperature RatingUp to 600u00b0C
ApprovalEN1856-2 T600 N1 Vm L8010 G375
Clearance Requirement375mm from combustible materials
When installing the Mi-Pellet 90° Bend with Door, ensure that the smaller diameter of the pipe is directed downward to allow condensates to remain within the flue system. Maintain a minimum clearance of 375mm from any combustible material. For positive pressure (P1) applications, apply appropriate high-temperature seals to every joint to guarantee safety and optimal performance. Note that this pipe is not suited for passing through ceilings or combustible walls. Always adhere to all safety guidelines and wear proper PPE during installation to minimise risk.

Yes, the Mi-Pellet 90° Bend is suitable for gas, oil, and solid fuel appliances with temperatures up to 600°C.

No, the Mi-Pellet pipe should not be used to pass through ceilings or combustible walls.

Ensure that the smaller diameter of the pipe is pointing downward. This allows condensates to stay within the flue system. Installation must be at least 375mm away from combustible materials.

The Mi-Pellet pipe is made from zero carbon steel with a vitreous enamel coating in a matt black finish.

You should inspect and clean the chimney regularly, especially for solid fuel applications. Installing access doors at changes of direction helps facilitate this.

Yes, the Mi-Pellet pipe can be cut, but any exposed steel must be covered with high-temperature paint to prevent rust.

Always wear appropriate personal protective equipment (PPE) during installation to ensure safety.

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