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Increaser - Ø 130 (3-130-002)

National Flues presents the premium Increaser - Ø 130, a versatile stainless steel accessory designed to enhance and upgrade your chimney flue system. Perfect for both commercial and residential applications, this product ensures a smooth transition between flue diameters, delivering reliable performance for high-temperature operations. Its robust construction and compliance with leading European standards make it an ideal solution for chimneys, boilers, and ventilation systems.
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At a Glance

    Made from high-grade 316L stainless steel for exceptional durability and corrosion resistance

    CE marked and compliant with EN 1856-1 standards, ensuring safety and reliability

    Features a high-pressure sealing gasket (P1/H1) for a secure, leak-resistant fit

    Versatile design suitable for high and low-temperature applications, both condensing and non-condensing

    Quick and easy installation with a push-fit jointing system and locking band

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.

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 Increaser Ø 130 is an essential component in the SWPro modular single wall flue system. Constructed from high-grade 316L stainless steel, this increaser is designed to handle both high and low-temperature applications, whether condensing or non-condensing, under positive and negative pressure. Its robust structure promises durability and efficiency, making it suitable for boilers, ovens, ventilation systems, and as a chimney shaft liner.

The product features a high-pressure sealing gasket (P1/H1) to ensure a secure fit and reliable operation. CE marked and compliant with EN 1856-1 standards, the Increaser Ø 130 is installed using a simple push-fit jointing system and locking band. Remember to maintain a safe distance of 50mm from any combustible materials.

SKU: 3-130-002

Technical Specifications
SKU3-130-002
Material316L Stainless Steel
CertificationsCE, EN 1856-1
Fuel CompatibilityGas, Oil
Installation MethodPush-fit jointing system with locking band
Sealing GasketHigh-pressure sealing gasket (P1/H1)
Minimum Combustible Distance50mm
Warranty10 Years
ApplicationsBoilers, ovens, ventilation systems, chimney shaft liners
• Ensure that the push-fit jointing system is properly engaged at every connection point. • Fit jointing gaskets on every joint to guarantee the secure transfer of flue gases and to prevent leakage. • Maintain a safe distance of at least 50mm from any combustible materials, such as wood or plasterboard, as per safety guidelines. • Use the provided locking band to firmly secure the increaser in place, preventing accidental disconnections. • Follow all manufacturer instructions and local building regulations during installation to optimise safety and performance.

The Increaser Ø 130 is used to increase the diameter of a proceeding flue system, ensuring seamless compatibility and efficient operation.

Yes, the Increaser Ø 130 is made from high-grade 316L stainless steel, which offers excellent durability and resistance to high temperatures and corrosion.

Absolutely. The Increaser Ø 130 is designed for a wide range of temperatures, including both high and low, and is suitable for condensing and non-condensing applications.

Yes, the Increaser Ø 130 features a high-pressure sealing gasket (P1/H1) for secure and reliable installation.

The Increaser Ø 130 is installed using a push-fit jointing system and secured with a locking band. Jointing gaskets must be fitted on every joint in P1 and H1 installations.

Ensure you maintain a 50mm distance from any combustible materials (such as wood or plasterboard) to the outside of the flue.

Yes, the Increaser Ø 130 is CE marked and meets EN 1856-1 standards, ensuring its safety and reliability.

What our experts say!

"The Increaser Ø 130 is an outstanding product, designed for both trade and retail customers. With our unbeatable prices and reliable nationwide delivery, National Flues ensures you get the best value and performance for your chimney flue system."

The Increaser Ø 130 is designed to expand the diameter of your chimney flue system for versatile and efficient use in various high-temperature and low-temperature applications.

National Flues is a trusted supplier of fireplaces and flues across the UK, offering unbeatable prices, secure online payments, and reliable nationwide delivery. Specialising in providing top-notch products to both retail and trade customers, National Flues is committed to excellence in quality and customer service.

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