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Reducer 2 diameters - Ø 800 (3-700-108)

National Flues offers the Reducer 2 Diameters - Ø 800, a premium flue component crafted from 316L stainless steel. Perfect for boilers, ovens, and industrial ventilation systems, this modular flue system is an essential accessory for optimising your heating and ventilation setups. Discover superior quality reducers, flue adapters, and related accessories designed for performance and durability.
£1,658.99
with free delivery Give us a call if you find it cheaper and we'll try to price match.

 

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At a Glance

    High-grade 316L Stainless Steel
    Robust design for versatile applications
    Push-fit jointing system with secure Locking Band
    Suitable for both high and low-temperature operations
    CE marked for reliability and safety

Please Note: All dimensions refer to the internal diameter of flues. If unsure, please call 01670 206999 to ensure you choose the correct products.

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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:

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

The Reducer 2 diameters - Ø 800 from the SWPro range is a modular single-wall flue system crafted from high-grade 316L stainless steel. This unit is designed for use in both high and low-temperature settings, supporting non-condensing and condensing applications. With the ability to handle flue gases under positive and negative pressure, it is perfect for diverse applications such as boilers, ovens, ventilation systems, and chimney shaft liners.

The system incorporates a high-pressure sealing gasket P1/H1 and meets strict CE marking standards. Installation is simplified with a push-fit jointing system secured by a Locking Band. Ensure jointing gaskets are fitted on every joint in P1 and H1 installations, and maintain a safe distance of 50mm from any combustible materials.

SKU: 3-700-108

Technical Specifications
Material316L Stainless Steel
SystemSWPro
CertificationsCE
Flue GasesHandles positive & negative pressure
JointingPush-fit with Locking Band
ClearanceMinimum 50mm from combustibles
Warranty10 Years
Applicable SizesDesigned for systems from u00d880 up to u00d8800
Ensure every joint in P1 and H1 installations is fitted with the recommended sealing gasket. Use the integrated push-fit jointing system and secure the connection with the Locking Band. Always maintain a minimum clearance of 50mm from any combustible materials. Carefully follow the installation manual provided to confirm all fittings are securely in place and to guarantee optimal operation.

The reducer is made from high-grade 316L stainless steel, ensuring durability and reliability.

Yes, it conforms to CE standards and meets designation numbers EN 1856-1: T200 H1 W Vm L50040 O(50) for Ø 80 up to Ø 200, and EN 1856-1: T200 H1 W Vm L50050 O(50) for Ø 250 up to Ø 400.

Absolutely, the Reducer 2 Diameters - Ø 800 is designed for both high and low-temperature settings, supporting non-condensing and condensing applications.

The reducer uses a push-fit jointing system secured by a Locking Band. Ensure jointing gaskets are fitted on every joint for P1 and H1 installations, and maintain a 50mm distance from any combustible materials.

This versatile reducer is ideal for boilers, ovens, ventilation systems, and as part of a chimney shaft liner.

It is capable of handling flue gases under both positive and negative pressure, making it suitable for a wide range of applications.

National Flues offers unbeatable prices, reliable nationwide delivery, and secure online payments. We cater to both retail and trade customers, ensuring you get the best service possible.
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Friday, May 16th. 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 Reducer 2 diameters - Ø 800 buyers guide

Invest in excellence with National Flues – secure your flue components now!

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