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Non-concentric increaser - Ø 650

National Flues presents the Non-concentric Increaser Ø 650, a premium flue adaptor designed to enhance both residential and commercial chimn Read More...
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Unbeatable Value £514.49
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 high-grade 316L stainless steel for exceptional durability
  • Suitable for both condensing and non-condensing applications
  • CE-marked and compliant with EN 1856-1 standards (T200 H1 W Vm L50040 O(50) and L50050 O(50))
  • Designed specifically for inclined flue systems to prevent condensate pooling
  • Easy push-fit jointing system secured by a locking band
  • Ideal for boilers, ovens, ventilation systems and chimney shaft liners
  • Maintains a safe 50mm clearance from combustible materials

 

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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.

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Have Questions?
Phone: 01670 206999
Email: [email protected]

The Non-concentric Increaser Ø 650 is part of the SWPro modular single wall flue system. Constructed from high-grade 316L stainless steel, this increaser features a high-pressure sealing gasket P1/H1, ensuring it is suitable for both high and low temperature, non-condensing, and condensing applications. Perfect for boilers, ovens, ventilation systems, and as a chimney shaft liner, the SWPro system offers unmatched versatility.

This CE-marked product meets stringent standards, including EN 1856-1: T200 H1 W Vm L50040 O(50) and EN 1856-1: T200 H1 W Vm L50050 O(50). The increaser is designed for easy installation with a push-fit jointing system secured by a Locking Band. For P1 and H1 installations, jointing gaskets are required at every joint.

Ensure a 50mm distance from any combustible material for optimal safety.

SKU: 3-650-004

Technical Specifications
Material316L Stainless Steel
Applicable StandardsEN 1856-1: T200 H1 W Vm L50040 O(50) & L50050 O(50)
SystemSWPro
Installation MethodPush-fit jointing with locking band; jointing gaskets required at every joint for P1 and H1 installations
Minimum Clearance50mm from combustible materials
Warranty10 Years
FuelsGas, Oil
Product Dimensionu00d8 650
In StockOUT OF STOCK
Before installation, ensure you have all the necessary accessories, including jointing gaskets (required for every joint in P1 and H1 installations). Begin by verifying that there is a minimum clearance of 50mm from any combustible material. The SWPro system is designed for user-friendly push-fit assembly; align the increaser correctly, ensure a secure push-fit connection, and lock it in place using the provided locking band. Always double-check joint integrity and compliance with installation standards. Following the manufacturer’s guidelines and safety standards is crucial for optimal performance and to mitigate any risks during operation.

A non-concentric increaser is used to increase the diameter of a flue system, often in an inclined run, preventing condensate pooling and ensuring optimal performance.

Yes, the Non-concentric Increaser Ø 650 is suitable for both high and low temperature, non-condensing and condensing applications.

The increaser is constructed from high-grade 316L stainless steel, providing excellent durability and corrosion resistance.

Yes, this increaser is CE-marked and conforms to standards such as EN 1856-1: T200 H1 W Vm L50040 O(50) and EN 1856-1: T200 H1 W Vm L50050 O(50).

The SWPro system uses a modular, push-fit jointing system that is secured with a Locking Band. For P1 and H1 installations, jointing gaskets must be used at every joint.

Ensure a minimum distance of 50mm from the outside of the flue to any combustible material, such as wood or plasterboard, to ensure safety.

Yes, National Flues offers reliable delivery across the UK for both retail and trade customers.
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, April 29th. 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 - Ø 650

National Flues Ltd Verdict

The Non-concentric Increaser Ø 650 is an excellent choice for a wide range of applications. At National Flues, we are rarely beaten on price and offer reliable nationwide delivery. Both retail and trade customers are welcome.

The Non-concentric Increaser Ø 650 is designed to increase the diameter of a flue system in an inclined run, preventing potential condensate pooling and enhancing overall efficiency.

National Flues is a leading supplier of fireplaces and flues across the UK, known for unbeatable prices, reliable delivery, and comprehensive solutions for both retail and trade customers.

 

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Order your premium Non-concentric Increaser today and experience a new level of flue efficiency!

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