× National Flues
We Won't Be Beaten On Price.
Free Delivery on Orders Over £100
100% 5 Star Reviews on Trustpilot
Free Flue Design Service Available
Need Help? 01670 206999 (8am-5pm)

Non-concentric increaser 2 diameters - Ø 500

National Flues offers the premium Non-concentric Increaser 2 Diameters - Ø 500, an essential component designed for industrial and commercia Read More...
Hover to Zoom / Click for Gallery
Unbeatable Value £573.49
including Free Delivery Buy with confidence. If you find this cheaper within 48 hours of checkout, we'll refund the difference.

At a Glance

  • Constructed from premium 316L stainless steel for lasting durability.
  • Engineered for both high and low temperature applications, including non-condensing and condensing systems.
  • Quick push-fit jointing system secured by a robust Locking Band.
  • Increases flue diameter in two steps to efficiently prevent condensate pooling.
  • Fully compliant with EN 1856-1 standards and CE marked for safety and quality.

 

Payment Options

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 Non-concentric increaser 2 diameters - Ø 500 is an integral component of the SWPro modular single wall flue system. Made of superior 316L grade stainless steel with a high-pressure sealing gasket (P1/H1), this increaser is designed for both high and low temperature settings, accommodating non-condensing and condensing applications. Ideal for boilers, ovens, ventilation systems, and chimney shaft liners, it offers maximum versatility in various industrial and commercial applications.

Installation is straightforward with a push-fit jointing system secured by a Locking Band. Remember to fit jointing gaskets on every joint in P1 and H1 installations and maintain a clearance of 50mm from any combustible materials.

SKU: 3-500-104

Technical Specifications
SKU3-500-104
Material316L Stainless Steel
SystemSWPro
CertificationsCE, EN 1856-1 standards
Temperature RangeDesigned for both high and low temperature applications
Jointing MethodPush-fit system with Locking Band
Clearance Requirement50mm from combustible materials
Diameteru00d8 500
Warranty10 Years
Installation is straightforward with our innovative push-fit system. Begin by ensuring all conduit parts are clear of any debris. Fit the jointing gaskets on every connection in P1 and H1 installations to secure a proper seal. Use the Locking Band to firmly secure each joint. Always maintain a minimum clearance of 50mm from any combustible material to comply with safety standards. Follow the EN 1856-1 guidelines closely, and double-check each connection to verify that the system is safely and securely fitted. Any deviation from these guidelines can compromise the flue’s performance and safety.

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

Yes, it is designed for use in both high and low temperature applications, accommodating non-condensing and condensing environments.

The increaser is versatile and ideal for boilers, ovens, ventilation systems, and as a chimney shaft liner.

The SWPro system, including the Non-concentric Increaser, is CE marked and compliant with several EN standards: EN 1856-1: T200 H1 W Vm L50040 O(50) - Ø 80 up to Ø 200 and EN 1856-1: T200 H1 W Vm L50050 O(50) - Ø 250 up to Ø 400.

Installation is straightforward with a push-fit jointing system. Make sure to use a Locking Band to secure the joints and fit jointing gaskets in P1 and H1 installations for maximum sealing.

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

Yes, National Flues offers reliable nationwide delivery for all our products, including the Non-concentric Increaser.
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Friday, April 25th. If you need faster stove or fireplace delivery please give us a call. We can often 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. If you find it cheaper within 48 hours, we'll refund the difference.

Read our buyers guide for this Non-concentric increaser 2 diameters - Ø 500

National Flues Ltd Verdict

The Non-concentric Increaser 2 diameters - Ø 500 is a top-notch product from our SWPro line. Perfect for various applications, it's built robustly with high-grade stainless steel and is quick and easy to install. Our delivery is fast and reliable nationwide, and we cater to both retail and trade customers. Highly recommended!

The Non-concentric Increaser is designed to increase the diameter of a flue system by two sizes, particularly useful in inclined runs to prevent condensate pooling.

National Flues is a trusted supplier of fireplaces and flues, offering competitive pricing and dependable delivery services across the UK. Catering to both retail and trade customers, we ensure seamless transactions with secure online payment options.

 

Our Rating Image

Ensure optimum performance by choosing our Non-concentric Increaser 2 diameters - Ø 500 today!

Your recently viewed products:

Multiple Payment Options- including Klarna, Clearpay, Mastercard, Visa and Paypal
Free Design Service