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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.
Now only £1,658.99
including free delivery Give us a call if you find it cheaper and we'll normally 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
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Friday, August 15th. This is based on current lead times for this product. 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 on 01670 206 999. 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.

Best 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.

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

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 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 Ø80 up to Ø800
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.

What our experts say!

"National Flues applauds the Reducer 2 Diameters - Ø 800 for its robust construction and versatile applications. It's an ideal choice for both retail and trade customers. Enjoy our unbeatable prices and reliable nationwide delivery!"

The Reducer 2 Diameters - Ø 800 is designed to decrease the diameter of your flue system, making it versatile for various heating and ventilation applications.

National Flues is a trusted supplier of high-quality fireplaces and flues across the UK. We are committed to providing excellent products at competitive prices with reliable delivery services for both retail and trade customers.

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