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Increaser 3 diameters - Ø 650 (3-650-202)

National Flues presents the Increaser 3 Diameters - Ø 650, an essential component in commercial flue systems. This robust increaser facilitates smooth transitions between differing flue diameters in high-performance systems. Perfect for modular single-wall flues, this product offers reliability, durability, and compliance with rigorous EU safety standards. Enhance your chimney system with this superior accessory, trusted by trade professionals nationwide.
Now only £1,476.99
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

  • Constructed from high-grade 316L stainless steel
  • Suitable for both condensing and non-condensing systems
  • Complies with EN 1856-1 and is CE marked
  • Versatile design for transitioning between multiple flue diameters
  • Push-fit jointing system with locking band for secure installation
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Thursday, August 14th. 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 3 diameters - Ø 650 is an essential component of the SWPro modular single-wall flue system, designed to handle various commercial applications. Crafted from high-grade 316L stainless steel, it ensures durability and resilience, accommodating both high and low-temperature scenarios, whether condensing or non-condensing. The flue system meets stringent EU standards, being CE marked, and adheres to EN 1856-1 designations, ensuring product reliability and safety.

The system incorporates a high-pressure sealing gasket P1/H1 for optimal performance in positive and negative pressure setups. Ideal for boilers, ovens, ventilation systems, and chimney shaft liners, this increaser makes transitioning between different flue diameters a seamless process. Installation is user-friendly with a push-fit jointing system, fortified by a locking band, and requires maintaining a 50mm clearance from combustible materials.

SKU: 3-650-202

Technical Specifications
SKU3-650-202
Material316L Stainless Steel
SystemSWPro Modular Single-Wall Flue
ApprovalsCE, EN 1856-1
Pressure CompatibilityPositive and Negative
InstallationPush-fit jointing system with locking band
Clearance Requirement50mm from combustible materials
Fuel CompatibilityGas, Oil
Warranty10 Years
• Ensure the installation area provides a minimum clearance of 50mm from any combustible material. • Begin by verifying that all components in the flue system are clean and undamaged before assembly. • Connect the increaser using the push-fit jointing system; ensure the high-pressure sealing gasket (P1/H1) is correctly fitted at every joint. • Secure the joint with a locking band to prevent any shifts during operation. • For P1 and H1 installations, double-check that each joint is snug and leak-proof to maintain system integrity. • Always refer to the detailed installation manual provided with the product, and consult a professional if uncertain.

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

Yes, the increaser is designed for both positive and negative pressure scenarios, making it highly versatile for various uses.

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

The increaser features a push-fit jointing system secured with a locking band. For P1 and H1 installations, jointing gaskets must be fitted at every joint.

The increaser is suitable for boilers, ovens, ventilation systems, and as a chimney shaft liner, catering to both condensing and non-condensing applications.

Yes, the Increaser 3 Diameters - Ø 650 is CE marked, adhering to EN 1856-1 designations.

Absolutely, the increaser is designed to handle both high and low-temperature environments efficiently.

What our experts say!

"The Increaser 3 Diameters - Ø 650 receives a strong recommendation from National Flues. High-quality materials and design make it a versatile choice for commercial flue applications. Plus, enjoy our reliable nationwide delivery and top-notch service for both retail and trade customers."

The Increaser 3 Diameters - Ø 650 is used to transition between different flue diameters in commercial flue systems, ensuring compatibility and efficiency.

National Flues is a leading supplier of high-quality fireplaces and flues in the UK, offering competitive prices, reliable delivery, and excellent service to both retail and trade customers nationwide.

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