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Non-concentric increaser 2 diameters - Ø 130 (3-130-104)

National Flues presents the Non-concentric Increaser 2 Diameters - Ø 130, a high-performance accessory designed to enhance your chimney flue system. Crafted from premium 316L stainless steel and compliant with stringent CE standards under EN 1856-1, this increaser is engineered for both durability and efficiency. Ideal for a variety of heating applications, from boilers to ovens, this product ensures a seamless diameter transition while preventing condensate pooling. Trust National Flues for reliable, versatile flue solutions that deliver exceptional performance.
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At a Glance

    CE Marked for safety standards

    Constructed from 316L stainless steel for durability

    Versatile for high and low-temperature applications

    Efficient push-fit jointing with locking band

    Prevents condensate pooling in inclined flue runs

Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, July 8th. 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.

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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.
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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).

“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 2 diameters - Ø 130 is a critical component within the SWPro modular single wall flue system. Constructed from 316L grade stainless steel, this increaser is built for durability and performance. It can handle both high and low-temperature applications, making it ideal for various systems including boilers, ovens, ventilation, and chimney liners.

This product is CE marked under EN 1856-1 standards and designed to meet rigorous safety and performance criteria. The SWPro system features a push-fit jointing system with a locking band and requires gaskets for jointing in P1 and H1 installations to maintain leak-free performance. Always maintain a 50mm distance from any combustible materials during installation.

This increaser is perfect for an inclined run, preventing condensate pooling and ensuring efficient operation.

SKU: 3-130-104

Technical Specifications
Material316L Stainless Steel
ComplianceCE Marked, EN 1856-1
ApplicationGas, Oil; Suitable for high and low temperatures
Flue Diameter TransitionFrom u00d880 to u00d8200 and u00d8250 to u00d8400
Warranty10 Years
Installation MethodSWPro push-fit joint system with locking band
Safety Distance50mm from combustibles
Install using the SWPro push-fit system; ensure the locking band is securely in place. Gaskets must be used for P1 and H1 installations to maintain a leak-free joint. Always maintain a minimum 50mm distance from any combustible materials. It is recommended that a qualified installer carries out the installation following the manufacturer’s guidelines to ensure a safe and efficient setup.

This increaser is used to increase the diameter of a flue system, particularly in inclined runs, to prevent condensate pooling.

The increaser is made of high-grade 316L stainless steel, ensuring durability and long-term performance.

This product is CE marked and compliant with EN 1856-1 standards.

Yes, the increaser is designed for both high and low-temperature applications, making it versatile for various systems.

It should be installed using the SWPro push-fit jointing system, secured with a locking band. Gaskets are required for P1 and H1 installations to ensure a leak-free connection.

A distance of 50mm should be maintained from the outside of the flue to any combustible material.

Yes, it is suitable for both condensing and non-condensing applications, making it a versatile addition to your flue system.

What our experts say!

"The Non-concentric Increaser Ø 130 from SWPro is a versatile and reliable component for your chimney flue system. At National Flues, we are rarely beaten on price, provide reliable delivery, and cater to both retail and trade customers nationwide."

The Non-concentric Increaser Ø 130 is designed to increase the diameter of your flue system effectively, particularly in inclined runs, to prevent potential condensate pooling.

National Flues is a leading supplier of fireplaces and flues across the UK, offering unbeatable prices and reliable nationwide delivery. We cater to both retail and trade customers, providing top-quality products and secure online payment options.

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