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Non-concentric increaser - Ø 750 (3-750-004)

National Flues presents the Non-concentric Increaser - Ø 750, a top-tier component of the SWPro Modular Single Wall Flue System. Manufactured in the UK and built to EN 1856-1 standards, this 316L Stainless Steel increaser is ideal for boilers, ovens, ventilation systems, and chimney shaft liners. Designed for industrial and commercial applications, it stands as a reliable solution whether you are upgrading an existing system or designing a new flue layout.
The price you pay today £900.99
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

    316L Stainless Steel construction for exceptional durability and corrosion resistance
    CE marked and compliant with EN 1856-1 ensuring high safety standards
    Versatile performance for both condensing and non-condensing applications
    Easy push fit jointing system secured with a Locking Band
    Specially designed for inclined runs to prevent condensate pooling
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.

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:

  • 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 Non-concentric increaser - Ø 750 is a vital component in the SWPro modular single wall flue system. Made from high-quality 316L stainless steel, this increaser is designed to handle both high and low temperatures, as well as both non-condensing and condensing applications. The SWPro system is incredibly versatile, making it suitable for a range of uses including boilers, ovens, and ventilation systems, as well as functioning efficiently as a chimney shaft liner.

Boasting a CE mark and adhering to EN 1856-1 standards, the SWPro system meets all necessary safety and efficiency criteria. The innovative push fit jointing system, secured with a Locking Band, ensures easy installation and secure connections. Jointing gaskets must be fitted on every joint to maintain high-pressure sealing.

Remember, a 50mm clearance from any combustible materials is necessary, adding an extra layer of safety to the installation.With options for various thicknesses depending on the flue diameter, the SWPro system is designed to be both flexible and robust, providing a reliable solution for various industrial and commercial applications.

SKU: 3-750-004

Technical Specifications
SKU3-750-004
Diameteru00d8 750
Material316L Stainless Steel
SystemSWPro Modular Single Wall Flue System
ApprovalsCE (EN 1856-1)
Temperature ApplicationsHigh and Low; Suitable for both Condensing & Non-condensing systems
Clearance50mm from combustibles
InstallationPush fit jointing with Locking Band; requires jointing gaskets at every joint
Warranty10 Years
Applicable FuelsGas, Oil
Ensure a minimum clearance of 50mm from all combustible materials at every joint. Follow the push fit jointing procedure, securing each connection with the Locking Band and always fitting new jointing gaskets to maintain a high-pressure seal. Refer to the installation manual for detailed, step-by-step instructions. If you are unsure, professional installation is recommended to guarantee safety and proper system performance.

The increaser is made from 316L grade stainless steel, ensuring durability and resistance to corrosion.

Yes, it is CE marked and complies with EN 1856-1 standards.

It is suitable for high and low temperature applications, both condensing and non-condensing, such as boilers, ovens, and ventilation systems.

Jointing gaskets are crucial for maintaining a high-pressure seal in P1 and H1 installations, ensuring safety and efficiency.

The increaser features a push fit jointing system secured by a Locking Band. A clearance of 50mm from any combustible materials must be maintained.

Yes, we offer flexible trade accounts along with secure online payments for retail customers.

We pride ourselves on our reliable delivery service, covering nationwide to ensure timely receipt of your products.

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