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Mi-Pellet - 90° Tee - Ø 80 - Ø 80 (43-80-035)

National Flues' Mi-Pellet 90° Tee - Ø 80 is a premium flue connector designed for pellet stoves, gas, oil, and solid fuel appliances. This high-performance component, crafted from zero carbon steel with a durable powder enamel finish, guarantees reliable operation at temperatures up to 600°C. Perfect for modern and traditional heating systems alike, it ensures compliance with EN1856-2 standards while enhancing the overall safety and efficiency of your flue installations.
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At a Glance

    Made with robust zero carbon steel and powder enamel coating
    Withstands temperatures up to 600°C
    Engineered for pellet stoves, gas, oil, and solid fuel appliances
    Complies with EN1856-2 safety standards
    Designed for ease of maintenance with optional access doors
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.

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

The Mi-Pellet 90° Tee - Ø 80 from National Flues is meticulously designed to ensure optimal performance for gas, oil, and solid fuel appliances. Constructed from zero carbon steel with a durable vitreous enamel coating, this single skin connecting flue system withstands temperatures up to 600°C. Primarily used for connecting appliances to flue liners, chimney stacks, or twin wall flue systems, this tee should not be used to pass through ceilings or combustible walls.

Proper installation is crucial, ensuring it is positioned correctly with the smaller diameter downward to keep condensates inside. Maintenance is simplified with optional access doors for easy chimney sweeping, a necessity for solid fuel setups. Ensure compliance with safety standards by fitting seals on every joint for P1 applications and covering any cut steel with high-temperature paint to prevent rust.

SKU: 43-80-035

Technical Specifications
SKU43-80-035
MaterialZero Carbon Steel
CoatingPowder Enamel
Steel Thickness0.7mm
Coating Thickness0.3mm
ColourMatt Black
ApprovalEN1856-2 T600 N1 Vm L8010 G375
Max Temperature600u00b0C
Distance To Combustible375mm
Diameteru00d8 80
Form90u00b0 Tee
• Install with the smaller diameter directed downwards to ensure condensate remains within the system. • Do not use the tee to pass through ceilings or combustible walls; maintain a clearance of at least 375mm from any combustible material. • For P1 applications, ensure that seals are fitted on every joint to maintain system integrity. • Optional maintenance doors can be installed for easier cleaning and maintenance of the chimney system. • Follow manufacturer installation guidelines strictly to guarantee optimum safety and performance.

It is used for connecting the flue to the rear outlet of a gas, oil, or solid fuel appliance, providing a secure and efficient pathway for exhaust gases.

No, the Mi-Pellet 90° Tee should not be used to pass through ceilings or combustible walls.

It is made from zero carbon steel with a vitreous enamel coating in a matt black finish.

It can withstand temperatures up to 600°C, making it suitable for a variety of fuel types.

For T600 installations, the joints do not require sealing. However, for P1 applications where positive pressure is present, seals must be placed on every joint.

Ensure it is installed with the smaller diameter pointing downwards to keep condensates within the system. It should not be installed within 375mm of combustible materials without appropriate clearance.

Regular inspections and cleaning are crucial, especially for solid fuel appliances. Install access doors at changes of direction for easier maintenance.

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